Beesind.Com

 

AN UPDATING BIBLIOGRAPHY OF THE

BEES OF THE WORLD

An E-Book

Home      Alphabetical Author Reference Index       Acknowledgements       Authors Index     Links

Additions: Twelfth Issue

File "Additions: Twelfth Issue" contain references published between 01 Jan 2010 to 30 Oct 2010

 

 

 

Go back to O

P

 

 

 

Number of references in first edition   662

 

The references those have been included in Second to fourth issues of this updating book are black in colour. Please note the change in colour of text of references from fifth issue onwards.

 

  • Suggestions: This is best to download all/desired files then open them in Microsoft Word where you can easily use "find" to search your desired field/author/journal etc. mentioning specific words to be searched out.

  • Please do not forget to send me the inclusions [use e-mail given at bottom of address below] of references on all/any field known to you - of any/all categories of bees. This databank is manually maintained therefore only your cooperation can update it perfectly, for the benefit of the whole World.

 

 

Paar, J., B. P. Oldroyd, E. Huettinger & G. Kastberger, 2002. Drifting of worker bees in Apis dorsata aggregations. Apidologie. [In Press].

Paar, J., B. P. Oldroyd, E. Huettinger & G. Kastberger, 2004. Levels of polyandry in Apis laboriosa Smith from Nepal. Insectes Sociaux 51(3): 212-214.

Paar, J., B. P. Oldroyd & G. Kastberger, 2000. Giant honeybees return to their nest sites. Nature 206: 475.

Pabalan, N., K. G. Davey  & L. Packer, 1996. Comparative morphology of spermathecae in solitary and primitively eusocial bees. Canadian Journal of Zoology 74: 802-808.

Pabalan, N., K. G. Davey  & L. Packer, 2000. Escalation of aggressive interactions during staged encouters in Halictus ligatus Say (Hymenoptera: Halictidae), with a comparison of circle tube behaviors with other Halictine species. Journal of Insect Behavior 13:   627-650.

Pabalan, N., L. Packer & K. G. Davey,  1994.  Oosorption and spermathecal morphology in three species of wild bees. p. 489. In: Proceedings of the International Congress of the International Union for the Study of Social Insects. Paris, 1994.

Pablico, S. M. 2003. Bachelor finds a gold mine in Apiculture [Dimotre Ugot of Sapilang, Bacnotan, La Union, Philippines]. Agriculture (Philippines) 7(6): 20-21; 61.

Packard, A. S.  1866.  Observations on the development and position of the Hymenoptera, with notes on the morphology of insects.  Proceedings of the Boston Society of Natural History 10: 279-296.

Packard, A. S.  1867.  The home of the Bees.  American Naturalist  1: 364-378, pl.x.

Packard, A. S.  1868a. On the structure of the ovipositor and homologous parts in the male insect.  Proceedings of the Boston Society of Natural History 11: 393-399.

Packard, A. S.  1868b.  The home of the bees (concluded).  American Naturalist 1: 596-606.

Packard, A. S.  1868c.  The parasites of the honeybee.  American Naturalist 2: 195-205, pls. 4,5.

Packard, A. S.  1897.  Notes on the transformations of the higher Hymenoptera, II and III.  Journal of the New York Entomological Society  5: 77-87, 109-120.

Packer, J. S. 1970. The flight and foraging behavior of the alkali bee (Nomia melanderi Ckll.)) and the alfalfa leafcutting bee (Megachile rotundata (F.)). Ph. D. Thesis. Utah State University, Logan. 118 pages.

Packer, L. 1983. The nesting biology of Lasioglossum (Evylaeus) laticeps (Hymenoptera; Halictidae) in England. Insectes Sociaux  30: 367-375.

Packer, L. 1985. The social organisation of two halictine bees from southern Mexico with notes on two bee-hunting philanthine wasps. Pan-Pacific Entomologist 51: 291-298.

Packer, L. 1986a. The biology of a subtropical population of Halictus ligatus Say. II. Male behaviour. Ethology 72: 287-298.

Packer, L. 1986b. The biology of a subtropical population of Halictus ligatus Say. IV. A cuckoo-like caste. Journal of the New York Entomological Society  94: 458-466.

Packer, L. 1986c. The social organisation of Halictus ligatus (Hymenoptera; Halictidae) in southern Ontario. Canadian Journal of Zoology  64: 2317-2324.

Packer, L. 1986d. Multiple foundress associations in a temperate population of Halictus ligatus. Canadian Journal of Zoology  64: 2325-2332.

Packer, L. 1987a. The triungulin larva of Nemognatha (Pauronemognatha) punctulata LeConte (Coleoptera; Meloidae) with a description of the nest of its host Megachile brevis pseudobrevis Say (Hymenoptera; Megachilidae). Journal of the Kansas Entomological Society 60: 280-287.

Packer, L. 1987b. A description of the mature larva and cocoon of the bee Thygater sp. (Hymenoptera; Anthophoridae). Journal of the New York Entomological Society 95: 23-27.

Packer, L. 1987c. An unexpectedly high female bias to the sex ratio in a temperate population of Halictus ligatus. Pp. 353-354. In: Proceedings of the International Congress of the International Union for the Study of Social Insects. Munich, 1987.

Packer, L. 1987d. Reproductive competition in two populations of Halictus ligatus. pp. 553-554. In: Proceedings of the International Congress of the International Union for the Study of Social Insects. Munich, 1987.

Packer, L. 1988. The effect of Bombylius pulchellus (Diptera; Bombyliidae) and other mortality factors upon the biology of Halictus ligatus (Hymenoptera; Halictidae) in southern Ontario. Canadian Journal of Zoology 66: 611-616.

Packer, L. 1990a. Solitary and eusocial nests in a population of Augochlorella striata (Provancher) (Hymenoptera; Halictidae) at the northern edge of its range. Behavioral Ecology and Sociobiology 27: 339-344.

Packer, L. 1990b. Biochemical systematics and the evolution of social behaviour and nest architecture in sweat bees of the subgenus Evylaeus. p. 666. In: Proceedings of the International Congress of the International Union for the Study of Social Insects. Bangalore, 1990.

Packer, L.  1991. The evolution of social behaviour and nest architecture in sweat bees of the subgenus Evylaeus (Hymenoptera: Halictidae): A phylogenetic approach. Behavioral Ecology and Sociobiology 29(3): 153-160.

Packer, L. 1992. The social organisation of Lasioglossum (Dialictus) laevissimum in Southern Alberta. Canadian Journal of Zoology 70: 1767-1774.

Packer, L. 1993a. Two new species of Halictine bees from high altitude in the New World tropics. Canadian Journal of Zoology 71:1653-1662.

Packer, L. 1993b. Multiple foundress associations in sweat bees. Pp. 215-233. In: Keller, L. (ed.), Queen number and sociality in insects. Oxford University Press.

Packer, L. 1994a. Lasioglossum (Dialictus) tenax (Sandhouse) (Hymenoptera; Halictidae) as a solitary sweat bee. Insectes Sociaux 41: 309-313.

Packer, L. 1994b. Biodiversity and the food supply. Pp. 117-123. In: D.V.J. Bell et al.(ed.), Human society and the natural world: perspectives on sustainable futures. Faculty of Environmental Studies, North York. 

Packer, L. 1994c.  Intracolonial conflicts of interest in the primitively social bee Lasioglossum laevissimum. p.164. In: Proceedings of the International Congress of the International Union for the Study of Social Insects. Paris, 1994.

Packer, L. 1994d. Biodiversity and the food supply.  Pp. 117-123. In: Bell, D. V. J. et al.,(eds.), Human society and the natural world: perspectives on sustainable futures. Faculty of Environmental Studies, North York.

Packer, L. 1997. The relevance of phylogenetic systematics to biology: examples from medicine and behavioural ecology. Pp. 11-29. In: P. Grandcolas (Ed.), The origin of biodiversity in insects: phylogenetic tests of evolutionary scenarios. Mémoires de Muséum National d'Histoire Naturelle [special volume] 173.

Packer, L. 1998a. Reproductive altruism in insects. Pp. 118-128. In: Adashi, E. Y. et al. (ed.), The Encyclopaedia of Reproduction. Harcourt - Brace.

Packer, L. 1998b. A phylogenetic analysis of western European species of the Lasioglossum leucozonium species group (Hymenoptera: Halictidae): Sociobiological and taxonomic implications. Canadian Journal of Zoology 76: 1611-1621.

Packer, L.  1999. The distribution of Halictus ligatus Say and H. poeyi Lep. (Hymenoptera; Halictidae) in North America. Pp. 81-84.  In: Byers, G.W.R., R. H. Hagen & R. W.  Brooks (eds). Entomological Contributions in Memory of Byron A. Alexander. University of Kansas Nature History Museum Special Publication 24.

Packer, L. 2000. The biology of Thrincohalictus prognathus (Perez) (Hymenoptera: Halictidae: Halictini). Journal of Hymenoptera Research 9(1): 53-61.

Packer, L. 2003. The comparative morphology of the skeletal parts of the sting apparatus of bees (Hymenoptera: Apoidea). Zoological Journal of the Linnean Society 138: 1-38.

Packer, L. 2004. Morphological variation in the gastral sterna of female Apoidea (Insecta: Hymenoptera). Canadian Journal of Zoology. [In press].

Packer, L. [In Press]. A New Species of Chilicola (Oroediscelis) From Argentina (Hymenoptera: Colletidae). Journal of the Kansas Entomological Society.

Packer, L. [In Press]. Marking influences bee behaviour in circle tubes. Insectes Sociaux.

Packer, L. [In Press]. Two new species groups of Chilicola from Northern Argentina with the description of 12 new species. Zootaxa.

Packer, L., B. Coelho, S. Mateus & R. Zucchi, 2003a. Observations of Halictus lanei (Hymenoptera: Halictidae) in Brazil. Journal of the Kansas Entomological Society 76: 34-39.

Packer, L., B. W. T. Coelho, S. Mateus & R Zucchi, 2003b. Behavioral interactions among females of Halictus (Seladonia) lanei (Moure) (Hymenoptera: Halictidae). Journal of the Kansas Entomological Society 76(2): 177-182.

Packer, L., A. Dzinas, K. Strickler & V. Scott, 1995.  Genetic differentiation between two host “races” and two species of cleptoparasitic bees and between their two hosts.  Biochemical Genetics 33: 97-109.

Packer, L., J. Grixti, H. Douglas, J. Janjic, R. Sellars & M. Sommers, 2001. Insect survey of tall-grass prairie in southern Ontario with particular reference to the bees of the Manestar Tract. A report submitted to the WWF and OMNR Living Legacy Program. 13 pp.

Packer, L., V. Jessome, C. Lockerbie &  B. Sampson, 1989. The phenology and social biology of four sweat bees in a marginal environment: Cape Breton Island. Canadian Journal of Zoology 67: 2871-2877.

Packer, L. & G. Knerer, 1985. Social evolution and its correlates in bees of the subgenus Evylaeus. Behavioral Ecology and Sociobiology 17: 143-149.

Packer, L. & G. Knerer, 1986a. The biology of a subtropical population of Halictus ligatus Say (Hymenoptera; Halictidae). I. Phenology and social organisation. Behavioral Ecology and Sociobiology 18: 363-375.

Packer, L. & G. Knerer, 1986b. An analysis of variation in the nest architecture of Halictus ligatus in Ontario. Insectes Sociaux  33: 190-204.

Packer, L. & G. Knerer, 1987. The biology of a subtropical population of Halictus ligatus Say (Hymenoptera; Halictidae). III. The transition between annual and continuously brooded colony cycles. Journal of the Kansas Entomological Society 60: 510-516. 

Packer, L.  &  R. E. Owen, 1989a. Notes on the biology of Lasioglossum cooleyi (Crawford), an eusocial halictine bee (Hymenoptera: Halictidae). Canadian Entomologist 121(6): 431-438.

Packer, L. & R. E. Owen, 1989b. Isozyme variation in Halictus rubicundus(Christ): a primitively social bee (Hymenoptera: Halictidae). Canadian Entomologist 121(12): 1049-1058. 

Packer, L. & R. E. Owen, 1990. Allozyme variation, linkage disequilibrium and diploid male production in a population of the primitively social bee Augochlorella striata (Hymenoptera; Halictidae). Heredity 65(2): 241-248. 

Packer, L. &  R. E. Owen,1992. Variable enzyme systems in the Hymenoptera. Biochemical Systematics and Ecology 20(1): 1-7.

Packer, L.  & R.  E. Owen, 1994. Relatedness and sex ratio in a primitively eusocial halictine bee. Behavioral Ecology and Sociobiology 34(1): 1-10.

Packer, L. &  R. E. Owen, 2001. Population genetic aspects of pollinator decline. Conservation Ecology 5(1): 4. [online] URL: http://www.consecol.org/vol5/iss1/art4.

Packer, L., R. E. Owen & C. Plateaux-Quénu. 1992. Lasioglossum (Evylaeus) mediterraneum as a species distinct from L. (E.) laticeps, with notes on its phylogenetic position. Canadian Entomologist 124: 371-380.

Packer, L., C. Plateaux-Quenu & R. E. Owen, 1992. Electrophoretic evidence that Lasioglossum (Evylaeus) mediterraneum (Bluthgen) is a species distinct from L. (E.) laticeps (Schenck) (Hymenoptera, Halictidae), with notes on its phylogenetic position. Canadian Entomologist 124(2): 371-380.

Packer, L. A. Porsa, C. Plateaux-Quénu & L. Plateaux, 1999 A cryptic species allied to Evylaeus villosulus (Kirby) (Hymenoptera: Halictidae). Annales de la Société Entomologique de France 35: 165-171.

Packer, L., B. Sampson, C. Lockerbie & V. Jessome, 1989. Nest architecture and brood mortality in some sweat bees (Hymenoptera; Halictidae) from Cape Breton Island. Canadian Journal of Zoology 67: 2864-2870.

Packer, L. & J. Taylor, 1997. How many hidden species are there? An application of the phylogenetic species concept to genetic data for some comparatively well known bee species. Canadian Entomologist 129: 587-594.

Packer, L. & J. Taylor, 1997.  How many cryptic species are there?  An application of the phylogenetic species concept to genetic data for some comparatively well known bee species. Canadian Entomologist 129: 587-594.

Packer, L. & J. Taylor, 2003. Genetic variation within and among populations of an arctic alpine sweat bee (Hymenoptera: Halictidae). The Canadian Entomologist 134: 619-632.

Packer, L., J.  Taylor & M. Richards,  1994.  Social devolution in sweat bees. p. 358. In: Proceedings of the International Congress of the International Union for the Study of Social Insects. Paris, 1994.

Packer, L., J. Taylor, D. Savignano, C. Bleser, C. Lane & L. Sommers,  1998 Population biology of an endangered butterfly, Lycaeides melissa samuelis (Lepidoptera; Lycaenidae):  Genetic variation, gene flow and taxonomic status. Canadian Journal of Zoology 76: 320-329.

Padilla Alvarez, F., M. J. V. da Silva, F. Campano Cabanes, E. Jimenez Vaquero, J. M. Flores Serrano, F. Puerta Puerta & M. Bustos Ruiz, 2001. Discriminative study of Apis mellifera L. populations from South Spain, Central Portugal and Madeira. Archivos de Zootecnia 50(189/190): 79-89.

Padilla Alvarez, F., M. J. V. da Silva, F. Campano Cabanes, E. Jimenez Vaquero, F. Puerta Puerta, J. M. Flores Serrano M. Bustos Ruiz, 2001. Biometric study of Apis mellifera populations from Central Portugal and Madeira. Archivos de Zootecnia 50(189/190): 67-77.

Padr, Z. 1990.  Solitary bees and bumble bees of the botanical garden of Charles University in Prague (Czech.).  Acta Univ. Carol-Biol. 34(3): 173-182.

Pagden, H. T. 1933. Notes on some Malayan Xylocopidae (Hym.). Stylops 2: 76-81.

Pagden, H. T. 1957. Notes on communal flight activities of stingless bees. Malayan Nat. J. 12: 15-19. 

Page, R. E. 1992.  How Africanized honey bees will affect California agriculture. California Agriculture 46(1): 18-19.

Page, R. E., M. S. Blum & H. M. Fales, 1988. o-Aminoacetophenone, a pheromone that repels honeybees (Apis mellifera L.). Experimentia 44(3): 270-271.

Page, R. E., M. M. Ibrahim & H. H. Laidlaw Jr., 1981. The history of modern beekeeping in Egypt. Gleanings in Bee Culture 109(1): 24-26.

Page, R. E. Jr.  1980.  The evolution of multiple mating behavior by honey bee queens (Apis mellifera). Genetics 96(1): 263-274.

Page, R. E. Jr. 1981. Protandrous reproduction in honey bees (Apis mellifera L.). Environmental Entomology 10: 359-362.

Page, R. E. Jr. 1989. Neotropical African Bees. Nature 339(6221): 181-182.

Page, R. E. Jr. 1990. Africanized bee research. Calif. Avocado Soc., San Diego, California, Yearbook 1990 Vol. 74: 101-102.

Page, R. E.  Jr. 1992. How Africanized honey bees will affect California agriculture. California Agriculture 46(1): 18-19.

Page, R. E. Jr. 1998. Blessing or curse? Varroa mite impacts Africanized bee spread and beekeeping. California Agriculture 52(2): 9-12.

Page, R.E. Jr. & E. H. Erickson Jr., 1984. Selective rearing of queens by worker honey bees: kin or nestmate recognition. Annals of the Entomological Society of America 77(5): 578-580. 

Page, R. E. Jr. & E. H. Erickson Jr., 1985. Identification and certification of Africanized honey bees. Annals of the Entomological Society of America  78(2): 149-158. 

Page, R. E. Jr. & E. H. Erickson Jr., 1986a. Kin recognition and virgin queen acceptance by worker honey bees (Apis mellifera L.). Animal Behaviour 34(4): 1061-1069.

Page, R. E. Jr. & E. H. Erickson, Jr., 1986b. Kin recognition during emergency queen rearing by worker honey bees (Hymenoptera: Apidae). Annals of the Entomological Society of America 79(3): 460-467.  

Page, R. E. Jr. & E. H. Erickson Jr., 1988. Reproduction by worker honey bees (Apis mellifera L.).  Behavioral Ecology and Sociobiology 23(2): 117-126.  

Page, R. E. Jr., E. H. Erickson Jr. & H. H. Laidlaw Jr., 1982. A closed population breeding program  for honey bees includes  protection against  Apis mellifera adansonii, USA. American Bee Journal  122(5): 350-351, 354-355.

Page, R. E. Jr., M. K. Fondrk, G. J. Hunt, E. Guzman-Novoa, M. A. Humphries, K. Nguyen & A. S. Greene,  2000. Genetic dissection of honeybee (Apis mellifera L.) foraging behavior. Journal of Heredity 91(6): 474-479.

Page, R. E. Jr., M. K. Fondrk & G. E. Robinson, 1993.  Selectable components of sex allocation in colonies of the honey bee (Apis mellifera).  Behavioral Ecology 4: 239-245.

Page, R. E. Jr., J. Gadau & M. Beye, 2002. The emergence of Hymenopteran genetics. Genetics 160(2): 375-379.

Page, R. E. Jr. & N. E. Gray, 1990.  Genotypic variation in susceptibility of honey bees (Apis mellifera) to infestation by tracheal mites (Acarapis woodi).  Exp. Appl. Acarol. 8(4): 275-284.

Page, R. E. Jr. & W. E. Kerr, 1990. The evolution of monandry and queen replacement in Melipona (Hymenoptera: Apidae). Rev. Bras. Genet. 13(2): 209-230.

Page, R. E. Jr., R. B. Kimsey & H. H. Laidlaw Jr. 1984.    Migration and dispersal of spermatozoa in spermathecae of queen honeybees (Apis mellifera L.). Experimentia 40(2): 182-184.

Page, R. E. Jr. & H. H. Laidlaw Jr., 1980.   Egyptian beekeeping. American Bee Journal 120(11): 776-779.

Page,  R.  E.  Jr. &  H.  H.  Laidlaw  Jr., 1981. The construction of a traditional Egyptian beehive. American Bee Journal 121(3): 178-180.  

Page, R. E.  Jr.  &   H. H. Laidlaw  Jr., 1982. Closed population honeybee breeding. 1. Population genetics of sex determination (Apis mellifera). Journal of Apicultural Research 21(1): 30-37.  

Page, R. E.  Jr.  &   H. H. Laidlaw  Jr., 1982. Closed population honeybee breeding. 2. Comparative methods of stock maintenance and selective breeding (Apis mellifera). Journal of Apicultural Research 21(1): 38-44.

Page, R. E.  Jr.  &   H. H. Laidlaw  Jr.,  1985. Closed population honeybee breeding. Bee World 66(2): 63-72.

Page, R. E. Jr. & H. H. Laidlaw Jr.,  1988. Full sisters and super sisters: a terminological paradigm. Animal Behaviour 36(3): 944-945.

Page, R. E. Jr., H. H. Laidlaw Jr., E. H. Erickson Jr., 1983. Closed population honeybee breeding. 3. The distribution of sex alleles with gyne supersedure. Journal of Apicultural Research 22(3): 184-190.

Page, R. E. Jr., H. H. Laidlaw Jr. & E. H. Erickson Jr., 1985. Closed population honeybee breeding. 4. The distribution of sex alleles with top crossing. Journal of Apicultural Research 24(1): 38-42.

Page, R. E. Jr. & R. W. Marks, 1982. The population genetics of sex determination in honeybees: Random mating in closed populations. Heredity 48: 263-270.

Page, R. E. Jr. & R. A. Metcalf,  1984. A population investment ratio for the honey bee (Apis mellifera L.).  American Naturalist 124: 680-702.

Page, R. E. Jr. & R. A. Metcalf,  1988. A population estimate of MDH allozyme frequencies for the honey bee,  Apis mellifera L.  (Hymenoptera, Apidae). Pan Pacific Entomologist  64(3): 285-290.

Page, R. E. Jr., R. A. Metcalf, R. L. Metcalf, E. H. Erickson Jr. & R. L. Lampman, 1991. Extractable hydrocarbons and kin recognition in honeybee (Apis mellifera L.). Journal of Chemical Ecology 17(4): 745-756.

Page, R. E. Jr., E. R. Nash & E. H. Erickson Jr.,  1987. Use of honey yield data to assess damage to the beekeeping industry of the United States. Bulltein of the Entomological Society of America 33(3): 190-194.

Page, R. E. Jr. & G. E. Robinson, 1989. Genetic structure, division of labor, and the evolution of insect societies. Pp. 15-29. In: M. D. Breed & R. E. Page (eds.), The Genetics of Social Evolution. Westview Press, Boulder, Colorado, USA. 

Page, R. E. Jr. & G. E. Robinson, 1990. Nepotism in the honey bee. [Reply to Oldroyd et al.]. Nature 346: 707.

Page, R. E. Jr. & G. E. Robinson, 1991. The genetics of the division of labor in honey bee colonies. Advances in Insect Physiology 23: 117-169.

Page, R. E. Jr. & G. E. Robinson, 1994. Reproductive competition in queenless honey bee colonies. Behavioral Ecology and Sociobiology 35: 99-107.

Page, R. E. Jr., G. E. Robinson, D. S. Britain & M. K. Fondrk, 1992. Genotypic variability for rates of behavioural development in honey bees.  Behavioral Ecology 3: 173-180.

Page, R. E. Jr., G. E. Robinson & M. K. Fondrk, 1989.  Genetic specialists, kin recognition, and nepotism in honey-bee colonies. Nature 338: 576-579.

Page, R. E. Jr., G. E. Robinson & M. K. Fondrk, 1995. Effects of worker genotypic diversity on the development and behavior of honey bee colonies (Apis mellifera L.). Behavioral Ecology and Sociobiology 36: 387-396.

Page, R. E. Jr., G. E. Robinson, M. K. Fondrk & M. E. Nasr, 1995. Effects of worker genotypic diversity on honey bee colony development and behavior (Apis mellifera L.). Behavioral Ecology and Sociobiology 36: 387-396. 

Page, R. E. Jr., K. D. Waddington, G. J. Hunt & M. K. Fondrk, 1995. Genetic determinants of honey bee foraging behaviour.  Animal Behaviour 50: 1617-1625.

Pager, H. 1976. The earliest European depiction of African bees (1602). Bee World  57(3): 113.

Pagliano, G. 1995. Hymenoptera Apoidea. In A. Minelli, S. Ruffo & S. La Posta (eds): Checklist delle specie delle fauna Italiana 106(1994): 23-24. Bologna.

Pagliano,G. & P. Scaramozzino, 1990.  Elenco dei generi di Hymenoptera del mondo.  Memoria della Società Entomologica Italiana 68(1989): 1-210.

Paini, D. R. & W. J. Bailey, 2002. Seasonal sex ratio and unbalanced investment sex ratio in the Banksia bee Hylaeus alcyoneus. Ecological Entomology 27: 713-719.

Paini, D. R., M. R. Williams & J. D. Roberts, 2005. No short-term impact of honey bees on the reproductive success of an Australian native bee. Apidologie 36(4): 613-622.

Palacio, M. A., E. E. Figini, S. R. Ruffinengo, E. M. Rodriguez, M. L. del Hoyo & E. L. Bedascarrasbure, 2000.  Changes in a population of Apis melliferaL. selected for hygienic behavior and its relation to brood disease tolerance. Apidologie 31(4): 471-478.

Palacios, G., J. Hui, P. L. Quan, A. Kalkstein, K. S. Honkavuori, A. V. Bussetti, S. Conlan, J. Evans, Y. P. Chen & D. van Engelsdorp, 2008. Genetic analysis of Israel Acute Paralysis Virus: Distinct clusters are circulating in the United States. Journal of virology 82(13): 6209-6217. [Electronic Resource: http://hdl.handle.net/10113/17064 ; http://dx.doi.org/10.1128/JVI.00251-08].

Paleolog, J. & R. Jagiello, 2001. Comparisons of overwintering, spring build up and honey yield in honeybee colonies kept in wielkopolski and Dadant hives. Annales Universitatis Mariae Curie-Sklodowska. Sectio EE Zootechnica 19: 333-340.

Palisot de Beauvois, 1818. Insectes Recueillis en Afrique et en Amerique. Livre 12. Levrault, Paris. 276 pages.

Pallas, P. S. 1771. Reise durch verschiedene Provinzen des rub ischen Reichs. 1: 504 pp. St Petersburg.

Palma, G., J. J. G. Quezada-Euán, V. Meléndez-Ramirez, J. Irigoyen, G. R. Valdovinos-Nuñez & M. Rejón, 2008. Comparative Efficiency of Nannotrigona perilampoides, Bombus impatiens (Hymenoptera: Apoidea), and mechanical vibration on fruit production of enclosed Habanero Pepper. Journal of economic entomology 101(1): 132-138. [Electronic Resource: http://dx.doi.org/10.1603/0022-0493(2008)101[132:CEONPB]2.0.CO;2].

Palma, G., J. J. G. Quezada-Euán, V. Reyes-Oregel, V. Meléndez & H. Moo-Valle, 2008. Production of greenhouse tomatoes (Lycopersicon esculentum) using Nannotrigona perilampoides, Bombus impatiens and mechanical vibration (Hym.: Apoidea). Journal of applied entomology Zeitschrift für angewandte Entomologie 132(1): 79-85. [Electronic Resource: http://dx.doi.org/10.1111/j.1439-0418.2007.01246.x].

Palma, M. S. 1992. Composition of freshly harvested Brazilian royal jelly: Identification of carbohydrates from the sugar fraction. Journal of Apicultural Research  31(1):   42-44.

Palma, M. S. & B. M. R. Brochetto, 1993. Biochemical variability between venoms from different honey-bee (Apis mellifera) races. Comparative Biochemistry and Physiology C- Comparative Pharmacology and Toxicology 106(2):  423-427.

Palmer-Jones, T. & others, 1954.  Effect on honey bees of DDT plus superphosphate applied as a dust to white clover pasture. New Zealand Journal of Science and Technology 36(2): 177-192.

Palmer-Jones, T. & P. G. Clinch,  1973.  Effect on honey bees of BTS 27419 applied as a spray to apple trees.  N. Z. J. Exp. Agric. 1(2): 195-196.

Palmer-Jones, T., I. W. Forster & G. L. Jeffery, 1959.  Effect on honey bees of DDT and Thiodan applied from the air as spray to Chou Moellier (Brassica Oleracea L.). New Zealand Journal of Agricultural Research 2(3): 481-487.

Palmer, K. A. & B. P. Oldroyd, 2000.  Evolution of multiple mating in the genus Apis. Apidologie 31(2): 235-248.

Palmer, K. A. & B. P. Oldroyd, 2001. Multiple mating in Apis florea revisited. Insectes Sociaux 48: 40-43.

Palmer, K. A., B. P. Oldroyd, P. Franck & S. Hadisoesilo, 2001. Very high mating frequency in Apis nigrocincta. Insectes Sociaux 48: 327-332.

Palmer, M. R., D. R. Smith & O. Kaftanoglu, 2000. Turkish honeybees: genetic variation and evidence for a fourth lineage of Apis mellifera mtDNA.  Journal of Heredity 19(1): 42-46.

Palmer, T. P. & B. J. Donovan, 1980. Seed production of new cultivars of lucerne. Herbage Seed Production. Pp. 87-91. Grassland Research and Practice Series No.1. New Zealand Grassland Association.

Palmer, T. P. & B. J.  Donovan, 1980. Seed production of new cultivars of lucerne. Herbage Seed Production. Grassland Research and Practice Series No. 1, New Zealand Grassland Association: 87-91.

Pamilo, P. 1982.  Genetic evolution of sex ratios in eusocial Hymenoptera: allele frequency simulations.  The American Naturalist 111: 638-656.

Pamilo, P. 1984.  Genotypic correlation and regression in social groups: multiple alleles, multiple loci and subdivided populations.  Genetics 107: 307-320.

Pamilo, P. 1985. Effect of inbreeding on genetic relatedness. Hereditas 103(2): 195-200.

Pamilo, P. 1986. Effect of supersedure breeding programmes on the sex alleles of the honeybee. Journal of Apicultural Research 25(1): 44-49.

Pamilo, P. 1991a. Evolution of colony characteristics in social insects. I. Sex allocation. The American Naturalist 137(1): 83-107.

Pamilo, P. 1991b. Evolution of colony characteristics in social insects. II. Number of reproductive individuals.  The American Naturalist 137 (page numbers ?).

Pamilo, P. & R. H. Crozier, 1981. Genic variation in male haploids under deterministic selection. Genetics 98(1): 199-214.

Pamilo, P. & R. H. Crozier, 1982.  Measuring genetic relatedness in natural populations: methodology.  Theoretical Population Biology 21(2): 171-193.

Pamilo, P., P. Gertsch, P. Thoren & P. Seppa, 1997. Molecular population genetics of social insects. Annual Review of Ecology and Systematics 28: 1-25.

Pamilo, P.,  A. Pekkarinen & S. -L. Varvio, 1987. Clustering of bumblebee subgenera based on interspecific genetic relationships (Hymenoptera, Apidae: Bombus and Psithyrus). Annales Zoologici Fennici 24: 19-27.

Pamilo, P., J. Tengö,  P. Rasmont, K. Pirhonen,  A. Pekkarinen & E. Kaarnama, 1997. Pheromonal and enzyme genetic characteristics of the Bombus lucorum species complex in northern Europe. Entomologica Fennica 7: 187-194.

Pamilo, P., S. Varvio-Aho & A. Pekkarinen, 1978. Low enzyme gene variability in Hymenoptera as a consequence of haplodiploidy. Hereditas  88: 93-99.

Pamilo, P.,  S.-L. Varvio-Aho & A. Pekkarinen, 1984. Genetic variation in bumblebees (Bombus, Psithyrus) and putative sibling species of Bombus lucorum. Hereditas 101(2): 245-251.

Pammel, L.H. 1888,  On the pollination of Phlomis tuberosa L. and the perforation of flowers. Transactions of the Academy of Sciences, St. Louis 5: 241-277.

Pamujac, N. 2003. Varroasis control in apiculture. Agricultura Moldovei (Republic of Moldova). No.7: 33-34. (In Russian).

Panfilov, D. V. 1951. Bumblebees of the subgenus Cullumanobombus Vogt (Hymenoptera, Apoidea). Trudy Vsesoyuznogo éntomologicheskago obshchestva 43: 115-128.

Panfilov, D. V. 1956. Contribution to the taxonomy of bumblebees (Hymenoptera, Bombinae), including the description of new forms. Zoologicheskii Zhurnal 35: 1325-1334.

Pangelly D. H. 1958.  The genus Megachile and alfalfa pollination.  Proceedings of the 4th International Congress Entomology 4: 945-950.

Pankiw, P. 1966. Megachile rotundata. Forage Notes 12(2): 48.

Pankiw, P. 1975.  Variations in emergency of strains of Megachile pacifica (Panzer) from diverse sources.  Forage Notes 20(2): 11.

Pankiw, P. & D. A. Cooke, 1976.  Isolation distances and border removal for alfalfa and red clover seed production in Canada. In: Report of 15th Alfalfa Improvement Conference, July 13-15, 1976.  Agric. Res. Serv. Publ. No. ARS-NC-52: 36.

Pankiw, P., J. A. C. Lieverse & B. Siemens, 1980.  The relationship between latitude and the emergence of alfalfa leafcutter bees, Megachile rotundata (Hymenoptera: Megachilidae). Canad. Entomol. 112(6): 555-558.

Pankiw, P. & B. Siemens, 1974.  Management of Megachile rotundata in north-western Canada for population increase.  Canad. Entomol. 106(9): 1003-1008.

Pankiw, P., B. Siemens & J. A. C. Lieverse, 1978. Breeding and management of Megachile rotundata for alfalfa seed production in northwestern Canada (lat. 55-58°N). Proc. 4th Intern. Symp. Pollination, Maryland, 1978. Maryland Agric. Exper. Station 1: 273-277. 

Pankiw, T. 1997. Queen rearing by high and low queen mandibular pheromone responding worker honey bees (Apis mellifera L.). Canadian Entomologist 129(4): 679-690.  

Pankiw, T. 2004a. Cued in: honey bee pheromones as information flow and collective decision-making. Apidologie 35: 217-226.

Pankiw, T. 2004b. Brood pheromone regulates foraging activity of honey bees (Hymenoptera: Apidae). Journal of economic entomology 97(3): 748-751.

Pankiw, T. 2007. Brood pheromone modulation of pollen forager turnaround time in the honey bee (Apis mellifera L.). Journal of insect behavior 20(2): 173-180. [Electronic Resource: http://dx.doi.org/10.1007/s10905-007-9071-6].

Pankiv, T., Z. –Y. Huang, G. E. Robinson & M. L. Winston, 1998. Queen mandibular pheromone influences worker honey bee (Apis mellifera) foraging ontogeny and juvenile hormone titers. Journal of Insect Physiology 44: 685-692.

Pankiw,  T.,   Z.   -Y.   Huang,  M.  L.  Winston  &  G.  E.  Robinson,  1998.  Queen  mandibular gland pheromone influences worker honey bee (Apis mellifera L.) foraging ontogeny and juvenile hormone titers. Journal of Insect Physiology 44(7/8): 685-692.

Pankiw, T. & S. C. Jay, 1992. Aerially applied ultra-low-volume malathion effects on caged honey bees (Hymenoptera: Apidae), caged mosquitoes (Diptera: Culicidae), and malathion residues. Journal of Economic Entomology 85(3): 687-691.

Pankiw, T. & S. C. Jay, 1992. Aerially applied ultra-low-volume malathion effects on colonies of honey bees (Hymenoptera: Apidae). Journal of Economic Entomology 85(3): 692-699.  

Pankiw, T. & R. E. Page Jr., 1999. The effect of genotype, age, sex, and caste on response thresholds to sucrose and foraging behavior of honey bees (Apis mellifera L.). Journal of Comparative Physiology A. Sensory, Neural and Behavioral Physiology 185(2): 207-213.  

Pankiw, T. & R. E. Page Jr., 2000.   Response thresholds to sucrose predict foraging division of labor in honeybees. Behavioral Ecology and Sociobiology 47(4): 265-267.

Pankiw, T., R. E. Page Jr. & M. K. Fondrk, 1998. Brood pheromone stimulates pollen foraging in honey bees (Apis mellifera). Behavioral Ecology and Sociobiology 44(3): 193-198.

Pankiw, T. & W. L. Rubink, 2002. Pollen foraging response to brood pheromone by Africanized and European honey bees (Apis mellifera L.). Annals of the Entomological Society of America 95(6): 761-767.

Pankiw, T., D. R. Tarpy, R. E. Page Jr., 2002. Genotype and rearing environment affect honeybee perception and foraging behaviour. Animal Behaviour 64(4): 663-672.

Pankiw, T., K. D. Waddington & R. E. Page Jr., 2001. Modulation of sucrose response thresholds in honey bees (Apis mellifera L.): influence of genotype, feeding, and foraging experience. Journal of Comparative Physiology A. Sensory, Neural and Behavioral Physiology 187(4): 293-301.

Pankiw, T., M. L. Winston, E. Plettner, K. N. Slessor, J. S. Pettis & O. R. Taylor, 1996. Mandibular gland components of European and Africanized honey bee queens (Apis mellifera L.). Journal of Chemical Ecology 22(4): 605-615.  

Pankiw, T., M. L. Winston & K. N. Slessor, 1994. Variation in worker response to honey bee (Apis mellifera L.) queen mandibular pheromone (Hymenoptera: Apidae). Journal of Insect Behavior 7(1): 1-15.  

Panzer, G. W. F. 1798. Faunae Insectorum Germaniae initia oder Deutschlands Insecten. none specified pp.

Panzer, G. W. F. 1801. Faunae insectorum Germanicae initia oder Deutschlands Insecten gesammelt und herausgegeben. Heft 73-84. Felssecker, Nürnberg. none specified. pp.  

Panzer, G. W. F. 1804. Faunae insectorum Germanicae initia oder Deutschlands Insecten gesammelt und herausgegeben. Heft 85-90. Felssecker, Nürnberg.   

Panzer, G. W. F. 1805. Kritische Revision der Insektenfaune Deutschlands. 1. Baendchen. Felsseckerschen Buchhandlung, Nurnberg. none specified. pp.  

Panzer, G. W. F. 1806a.  Ktitische revision der Insektenfauna Deutschlands. Vol. 2. Felssecker, Nürnberg. [14] + 271 pp., 2 pls.

Panzer, G. W. F. 1806b.  Faunae Insectorum GermanicaeHeft 107. Felssecker, Nürnberg. none specified. pp.  

Panzer, G. W. F. 1809. Faunae Insectorum Germaniae initia oder Deutschlands Insecten. none specified. pp.

Papachristoforou, A., K. Theodoropoulos, V. Goundy & A. Thrasyvoulou, 2007. The impact of spraying frames of honey bee eggs with four aqueous solutions on egg removal. Journal of apicultural research 46(2): 125-126.

Papaefthimiou, C., V. Pavlidou, A. Gregorc & G. Theophilidis, 2002. The action of 2,4-dichlorophenoxyacetic acid on the isolated heart of insect and amphibia. Environmental Toxicology and Pharmacology 11(2): 127-140.

Papaefthimiou, C. & G. Theophilidis, 2001. The cardiotoxic action of the pyrethroid insecticide deltamethrin, the azole fungicide prochloraz, and their synergy on the semi-isolated heart of the bee Apis mellifera macedonica. Pesticide Biochemistry and Physiology 69(2): 77-91.

Para, G. N. & D. W. Roubik, 1990.  Sympatry among subspecies of Melipona favosa in Colombia and a taxonomic revision.  Journal of the Kansas Entomological Society 63(1): 200-203.

Parent, G., F. Malaisse & C. Verstraeteen,  1978. Honey in the clear forest of southern Shaba Bees,  Apis mellifica adansonii and  wild  bee species,  honey  harvests  and  yields,  Zaire. Bull. Rech. Agron. Gembloux  13(2): 161-176.

Park, J. M., T. Kunieda & T. Kubo, 2003. The activity of Mblk-1, a mushroom body-selective transcription factor by the Ras/MAPK pathway. Journal of Biological Chemistry 278(20): 18689-18694.

Park J. M., T. Kunieda, H. Takeuchi & T. Kubo, 2002. DNA-binding properties of Mblk-1, a putative transcription factor from the honey bee. Biochemical and Biophysical Research Communications 291(1): 23-28.

Park Yong Kun,  S. M. Alencar, A. R. P. Scamparini, & C. L. Aguiar, 2002. Propolis produced in South Brazil, Argentine and Uruguay: phytochemical evidence for the plant origin. Ciencia Rural 32(6): 997-1003.

Park, Y. K., J. F. Paredes-Guzman, C. L. Aguiar, S. M. Alencar & F. Y. Fujiwara, 2004. Chemical constituents in Baccharis dracunculifolia as the main botanical origin of southeastern Brazilian propolis. Journal of agricultural and food chemistry 52(5): 1100-1103.

Parker, F. D. 1975a. Nests of the mason bee Osmia tanneri Sandhouse and O. logula Cresson with a description of the female of O. tanneri (Hymenoptera, Megachilidae). Pan-Pacific Entomologist 51(3): 179-183.

Parker, F. D. 1975b.  Nest descriptions and associates of three American bees of the genus “Anthocopa” Lepeletier. Pan-Pacific Entomologist 51: 113-122.

Parker, F. D. 1976a. A new Proteriades reared from trap stems, its biology and nest associates.  Pan-Pacific Entomologist 52: 73-80.

Parker, F. D. 1976b. Potentials of European alfalfa pollinators. Publ. US ARS, North Central Region  52: 35.

Parker, F. D. 1977a. Nests of Anthocopa enceliae (Cockerell) and A. elongata (Michener).  Pan-Pacific Entomologist 53: 47-52.

Parker, F. D. 1977b. Biological notes on some Mexican bees. Pan-Pacific Entomologist 53: 189-192.

Parker, F. D. 1977c. A new Proteriades (Xerosmia) from New Mexico with biological notes.  Journal of the Kansas Entomological Society 50: 317-323. 

Parker, F. D. 1977d. A new Ashmeadiella from Arizona (Hymenoptera: Megachilidae). Pan-Pacific Entomologist 53(3): 193-194.

Parker, F. D. 1977e. U.S. National Pollinating Insects Collection, Bee Biology and Systematic Laboratory.  Misc. Publ. U. S. Dep. Agriculture 1343: 55-57.

Parker, F. D. 1978a. Biology of the bee genus Proteriades Titus.  Journal of the Kansas Entomological Society 51: 145-173.

Parker, F. D. 1978b. An illustrated key to alfalfa leafcutter bees Eutricharaea. Pan-Pacific Entomologist 54: 61-64.

Parker, F. D. 1978c. Research at the Bee Biology and Systematics Laboratory, Logan, Utah. American Bee Journal 118(9): 597-600.

Parker, F. D. 1978d. An illustrated key to alfalfa leafcutter bees Eutricharaea (Hymenoptera: Megachilidae). Pan-Pacific Entomologist 54(1): 61-64.

Parker, F. D. 1979a. Alfalfa leafcutter bee-reducing parasitism of loose cells during incubation (Hymenoptera: Megachilidae).  Pan–Pacific Entomologist 55(2): 90-94.

Parker, F. D. 1979b.  A new Proteriades with distributional notes and a key to its subgenus HoplitinaPan-Pacific Entomologist 55: 51-56.

Parker, F. D. 1979c. Alfalfa leafcutter bee: origin of female and its influence on diapause.  Proc. 4th Intern. Symp. Pollination, Maryland, 1978. Maryland Agric. Exper. Station 1: 269-272.   

Parker, F. D. 1980. Nests of Osmia marginipennis Cresson with a description of the female (Hymenoptera: Megachilidae).  Pan-Pacific Entomologist 56(1): 38-42.

Parker, F. D. 1981a. Sunflower pollination: abundance, diversity and seasonality of bees and their effect on seed yield.  Journal of Apicultural Research 20: 49-61. 

Parker, F. D. 1981b. Sunflower pollination: abundance, diversity, and seasonality of bees on male-sterile and male-fertile cultivars. Environmental Entomology 10(6): 1012-1017.

Parker, F. D. 1981c. Nests and nest associates of a desert bee, Osmia marginata Michener. The Southwestern Entomologist 6(3): 184-189. 

Parker, F. D. 1981d. How efficient are bees in pollinating sunflowers?  Journal of the Kansas Entomological Society 54(1): 61-67.

Parker, F. D. 1981e. A candidate red clover pollinator, Osmia coerulescens (L.). Journal of Apicultural Research 20(1): 62-65.

Parker, F. D. 1982. Efficiency of bees in pollinating onion flowers [Apis mellifera, Halictus farinosis]. Journal of the Kansas Entomological Society 55(1): 171-176.  

Parker, F. D. 1983. A new Perdita from Utah's San Rafael Desert (Hymenoptera: Andrenidae). Pan-Pacific Entomologist 59(1/4): 229-232.

Parker, F. D. 1984a.  The nesting biology of Osmia (Trichinosmia) latisculcata Michener.  Journal of the Kansas Entomological  Society 57: 430-436.

Parker, F. D. 1984b. Biological notes on the bee Exomalopsis crenulata Timberlake (Hymenoptera:Anthophoridae). Pan-Pacific Entomologist 60(3):  188-192. 

Parker, F. D. 1984c. Effect of fungicide treatments on incidence of chalkbrood disease in nests of the alfalfa leafcutting bee (Hymenoptera:Megachilidae). Journal of Economic Entomology 77(1): 113-117. 

Parker, F. D. 1985a.  Osmia sanrafaelae, new species from Utah’s san Rafael Desert [USA] [Hymenoptera: Megachilidae]. Journal of the Kansas Entomological Society 58(4): 742-745.

Parker, F. D. 1985b. Effective fungicide treatment for controlling chalkbrood disease (Ascomycetes: Ascosphaeracceae) of the alfalfa leafcutting bee (Hymenoptera: Megachilidae) in the field. Journal of Economic Entomology 78(1): 35-40.

Parker, F. D. 1985c. A candidate legume pollinator, Osmia sanrafaelae Parker (Hymenoptera: Megachilidae). Journal of Apicultural Research 24(2): 132-136.

Parker, F. D. 1985d. Nesting habits of Osmia grinnelli Cockerell (Hymenoptera: Megachilidae). Pan-Pacific Entomologist 61(2): 155-159.

Parker, F. D. 1986a.  Nesting, associates and mortality of Osmia sanrafaelae Parker.  Journal of the Kansas Entomological Society 59: 367-377. 

Parker, F. D. 1986b. Factors influencing mortality and nesting in managed populations of the sunflower leafcutter bee (Hymenoptera; Megachilidae). Environmental Entomology 15(4): 877-879.

Parker, F. D. 1986c. Field studies with Osmia sanrafaelae Parker, a pollinator of alfalfa (Hymenoptera: Megachilidae). Journal of Economic Entomology 79(2): 384-386.  

Parker, F. D. 1987.  Nests of Callanthidium from block traps.  Pan-Pacific Entomologist 63: 125-129.

Parker, F. D. 1988a. Nesting biology of two North American species of Chelostoma. Pan-Pacific Entomologist 64: 1-7.

Parker, F. D. 1988b. Influence of wood, paper, and plastic nesting units on efficacy of three candidate fungicides for control of chalk brood in the alfalfa leaf cutting bee (Hymenoptera, Megachilidae). Journal of Economic Entomology 81(3): 789-795.

Parker, F. D. 1989. Nest clustering as a means of managing Osmia sanrafaelae (Hymenoptera: Megachilidae). Journal of Economic Entomology 82(2): 401-403.   

Parker, F. D., S. W. T. Batra & V. J. Tepedino 1987. New pollinators for our crops. Agricultural Zoology Reviews 2: 279-304.

Parker, F. D. & G. E. Bohart.  1979, Dolichostelis, a new genus of parasitic bees.  Journal of the Kansas Entomological Society 52: 138-153.

Parker, F. D. & G. E. Bohart, 1982. Notes on the biology of Andrena (Callandrena) helianthi Robertson (Hymenoptera: Andrenidae). The Pan-Pacific Entomologist 58(2): 111-116. 

Parker, F. D., J. H. Cane, G. W. Frankie & S. B. Vinson, 1987.  Host records and nest entry by Dolichostelis, a kleptoparasitic anthidiine bee. Pan-Pacific Entomologist 63(2): 172-177.

Parker, F. D. & D. R. Frohlich, 1983. Hybrid sunflower pollination by a manageable composite specialist: the sunflower leafcutter bee (Hymenoptera: Megachilidae) [Helianthus annuus v. macrocarpus]. Environmental Entomology 12(2): 576-581.  

Parker, F. D. & D. R. Frohlich, 1985. Studies on management of the sunflower leafcutter bee Eumegachile pugnata (Say) (Hymenoptera: Megachilidae). Journal of Apicultural Research 24(2): 125-131.

Parker, F. D. & T. [L]. Griswold, 1982. Biological notes on Andrena (Callandrena) haynesi Viereck and Cockerell (Hymenoptera: Andrenidae). Pan-Pacific Entomologist 58(4): 284-287.

Parker, F. D. & T. L. Griswold,   1993. A new species of Protostelis from Mexico (Hymenoptera: Megachilidae). Pan-Pacific Entomologist 69(4): 329-331.

Parker, F. D., T. L. Griswold & J. H. Botsford, 1986. Biological notes on Nomia heteropoda Say (Hymenoptera: Halictidae). Pan-Pacific Entomologist 62(1): 91-94. 

Parker, F. D. & M. W. Pedersen, 1975.  Alfalfa leafcutter bee: Effect of alfalfa saponins on larval mortality.  Environmental Entomology 4(1): 103-104. 

Parker, F. D. & H. W. Potter, 1973. Biological notes on Lithurgus apicalis Cresson (Hymenoptera: Megachilidae).  Pan-Pacific Entomologist 49(4): 294-299.

Parker, F. D. & H. W. Potter, 1974. Methods of transferring and establishing the alkali bee. Environmental Entomology 3(5): 739-743.

Parker, F. D. & V. J. Tepedino, 1982a. A nest and pollen collection records of Osmia sculleni Sandhouse, a bee with hooked hairs on the mouthparts. Journal of the Kansas Entomological  Society 55(2): 329-334.

Parker, F. D. & V. J. Tepedino, 1982b.  Maternal influence on diapause in the alfalfa leafcutting bee (Hymenoptera:  Megachilidae). Annales of the Entomological Society of America 75(4): 407-410.

Parker, F. D. & V. J. Tepedino,  1982c. Behavior of Osmia (Nothosmia) marginata Michener in the nest (Hymenoptera : Megachilidae). Pan-Pacific Entomologist 58(3): 231-235.

Parker, F. D. & V. J. Tepedino,  1990. Bee pollination of Cuphea (Lythraceae) species in greehouse and field. Pan-Pacific Entomologist 66(1): 9-12.

Parker, F. D., V. J. Tepedino & G. E. Bohart,  1981. Notes on the biology of a common sunflower bee, Melissodes (Eumelissodes) agilis Cresson. Journal of the New York Entomological Society 89(1): 43-52. ill.

Parker, F. D., V. J. Tepedino & D. L. Vincent, 1980. Observations on the provisioning behavior of Ammophila aberti Haldeman (Hymenoptera: Sphecidae). Psyche 87(3/4): 249-258.

Parker, F. D., R. Teranishi & A. C. Olson,  1983.  Influence of attractants on nest establishment by the alfalfa leafcutting bee (Hymenoptera:  Megachilidae) in styrofoam and rolled paper.  Journal of the Kansas Entomological Society  56(4): 477-482.  

Parker, F. D. & P. F. Torchio, 1980. Management of wild bees (Revision).  Agriculture handbook - United States Department of Agriculture 335: 144-160. ill.

Parker, F. D., P. F. Torchio, W. P. Nye & M. Pedersen, 1976. Utilization of additional species and populations of leafcutter bees for alfalfa pollination.  Journal of Apicultural Research 15(2): 89-92.

Parker, I. M. 1997. Pollinator limitation of Cytisus scoparius (Scotch broom), an invasive exotic shrub. Ecology 78: 1457-1470.

Parker, I. M., A. Engel, K. A. Haubensak & K. Goodell, 2002. Pollination of Cytisus scoparius (Fabaceae) and Genista monspessulana (Fabaceae), two invasive shrubs in California. Madrono 49(1): 25-32.

Parker, J. S. 1970.  The flight and foraging behavior of the alkali bee (Nomia melanderi) and the alfalfa leaf-cutter bee (Megachile rotundata). Ph. D. Thesis. Utah State University, Logan. 119 pages.

Parker, J. S. 1972.  The flight and foraging behavior of the alkali bee and the alfalfa leafcutter bee.  Dissert. Abstr. Intern. Ser. B. 32(7): 3988.

Parks, H. B. 1936. Charles Robertson. Bios 7: 85–96.

Parra, G. 1990. Bionomía de las abejas sin aguijón (Apidae: Meliponinae) del occidente colombiano. Cespedesia 57/58: 77-116.

Parra, G. 1991. Distribución de la abeja sin aguijón (Meliponinae-Apidae) en el departamento del Valle del Cauca. Cespedesia 18(61): 9-22.

Parry, W. E. 1824. Journal of a voyage for the discovery of a North-West Passage from the Atlantic to the Pacific; performed in the years 1819-20, in His Majesty’s ships Hecla and Griper, under the orders of William Edward Parry, R.N., F.R.S., and commander of the expedition. With an appendix, containing the scientific observations. xxix+310+cccx pp. London.

Partap, U. & T. Partap, 2001. Declining apple production and worried Himalayan farmers: promotion of honey bees for pollination. Issues in Mountain Development - International Centre for Integrated Mountain Development No. 1: 1-6.

Partap, U. & T. Partap, 2002. Warning signals from the apple valleys of the Hindu Kush-Himalayas: productivity concerns and pollination problems. 104 pages. Publ. International Centre for Integrated Mountain Development (ICIMOD), PO Box 3226, Kathmandu, Nepal.

Partap, U., T. Partap & He Yong Hua, 2001. Pollination failure in apple crop and farmers' management strategies in Hengduan Mountains, China. Acta Horticulturae No. 561: 225-230.

Partap, U. & L. R. Verma, 1994. Pollination of radish by Apis cerana. Journal of Apicultural Research 33(4): 237-241.

Passarelli, L. M. 2002. Implication of Apis mellifera L. in the production of Cucurbita maxima Duch. Investigacion Agraria, Produccion y Proteccion Vegetales 17(1): 5-13.

Passino, K. M., T. D. Seeley & P. K. Visscher, 2008. Swarm cognition in honey bees. Behavioral ecology and sociobiology 62(3): 401-414. [Electronic Resource: http://dx.doi.org/10.1007/s00265-007-0468-1].

Pasteels, J. J.  1965. Révision des Megachilidae (Hymenoptera, Apoidea) de l’Afrique Noire 1., Les Genres Creightonella [sic], Chalicodoma et Megachile (s.str.). Annales Musée Royal de l’Afrique Central, Tervuren, Sciences Zoologiques 137: ix + 579 pp.

Pasteels, J. J. 1966.  Megachilidae (genres: Creightonella [sic], Megachile et Chalicodoma) peu connues ou nouvelles des regions palearctique et africaine.  Bulletin et Annales de la Société Royale d’Entomologie de Belgique 102: 1-19.

Pasteels, J. J. 1968a.  Statut, affinités et origines des Anthidiinae parasites. Naturaliste Canadien 95: 1055-1063.

Pasteels, J. J.   1968b.  Révision des Megachilidae (Hymenoptera, Apoidea) de l’Afrique Noire 1., Les Genres Coelioxys. Annales Musée Royal de l’Afrique Central, Tervuren, Science Zoologiques 167: ii + 139 pp.

Pasteels, J. J. 1969a. La systématique générique et subgénérique des Anthidiinae (Hymenoptera, Apoidea, Megachilidae) de l’ancien monde.  Mémoires de la Société Royale d’Entomologie de Belgique 31: 1-148.

Pasteels, J. J. 1969b.  New Anthidiinae (hymenoptera, Apoidea, Megachilidae) from the Mediterranean area and from the near East.  Israel Journal of Entomology 4: 409-434.

Pasteels, J. J. 1969c.  Perezia maura Ferton: Une forme intersexuee de Megachile centuncularis L. Bulletin de la Société Entomologique de France 74: 248.

Pasteels, J. J. 1969d. Megachilidae from Mongolia, (Megachilidae, Anthidiini, Apoidea); results of the Mongolian-German biological expeditions from 1962, Nr. 42. Berlin Zool. Mus. Mitt. 45(2): 231-233.

Pasteels, J. J.   1970.  Espéces nouvelles de Megachilidae (Hymenoptera, Apoidea) d’Afrique Noire, I. Generes Creightonella Cockerell et Chalicodoma Lepeletier. Revue de Zoologie et de Botanique Africaines 82: 205-232.

Pasteels, J. J. 1972.  Révision des Anthidiinae (Hymenoptera, Apoidea) de la région indo-malaise. Bulletin et Annales de la Société Royale d’Entomologie de Belgique 108: 72-128.

Pasteels, J. J. 1973. New species of Megachilidae (Hymenoptera, Apoidea) from black Africa. 2. genus Megachile Latreille (partim). Rev. Zool. Bot. Afr. 87(4): 697-727.

Pasteels, J. J.  1976. A new species of Chalicodoma from South Africa (Hymenoptera, Megachilidae). Bulletin et Annales de la Société Royale d’Entomologie de Belgique 112: 278-280.

Pasteels, J. J. 1977a.  Les Megachilini parasites (Coelioxys s.l.) d’Afrique noire [The parasitic Megachilini (Coelioxys) of Africa: Description of new species and rectification of nomenclature (Hymenoptera, Apoidea)]. Revue de Zoologie Africaine 91(1): 161-197. [In French.].

Pasteels, J. J. 1977b.  Une revue comparative de l’ethologie des Anthidiinae nidificateurs de l’ancien monde. Annales de la Société Entomologique de France (n.s.) 13: 651-667.

Pasteels, J. J. 1978. Two new species of Megachile collected in the Congo by Miss S. Kelner-Pillault (Hymenoptera, Apoidea). Bulletin.Societe Entomologique de France 83(5/6): 146-149.

Pasteels, J. J.  1979.  Notes on the Megachilidae (Hymenoptera, Apoidea) of Arabia and the limitrophic desert regions. 1. Some species with African affinity. Bulletin et Annales de la Société Royale d’Entomologie de Belgique 115(7-9): 250-257.

Pasteels, J. J.   1980.  Revision du genre Euaspis Gerstaecker.  Bulletin et Annales de la Société Royale Belge d’Entomologie 116:  73-89.

Pasteels, J. J. 1982.  Les Coelioxys latreille (Hymenoptera, Apoidea) du groupe afra Lepeletier d’Europe et du proche-orient.  Bulletin et Annales de la Société Royale Belge d’Entomologie 118: 109-120.

Pasteels, J. J. 1984. Révision des Anthidiinae (Hymenoptera, Apoidea) de l’Afrique subsaharienne.   Mémoires de la Classe des Sciences,  Académie Royale de Belgique (IN-4-2) 19(1): 1-165.

Pasteels, J. J. 1985. New or little known species of Megachilinae (Hymenoptera, Apoidea, Megachilidae) from sub Sahara. Revue de Zoologie Africaine 99(1): 5-16.

Pasteels, J. J. & J. M. Pasteels, 1971a. Scanning electron microscopic study of tergal glandular regions in species of the genus Megachile (Hymenoptera, Apoidea, Megachilidae). Acad. Sci. Paris C. R. Ser. D 273(17): 1481-1483.

Pasteels, J. J. & J. M. Pasteels, 1971b. Electron microscopic examination of tergal limits in Coelioxys Latr. (Hymenoptera, Apoidea, Megachilidae). Acad. Sci. Paris C. R. Ser. D 273(18): 1580-1581.

Pasteels, J. J. & J. M. Pasteels, 1974. Scanniing electronic microscope study of abdominal scopas in many species of bees (Apoidea, Megachilidae). Tissue Cell 6(1): 65-83.

Pasteels, J. J. & J. M. Pasteels, 1976.  Scanning electron microscopic study of pollen collecting scopas in Colletidae and Oxaeidae (Hymenoptera, Apoidea). Archives de Biologie [Bruxelles] 87: 79-102. [In French with English summary.]. 

Pasteels, J. M., J. J. Pasteels & L. de Vos. 1983.  Étude au microscope électronique à balayage des scopas collectrices de pollen chez les Panurginae.  Archives de Biologie [Bruxelles] 94(1) [1984]: 53-73. [In French with English summary.].

Patel, B. K., T. G. Marvania & B. V. David, 2000. A method to evaluate the toxicity (LC50) of phosphine gas from magnesium phosphide to beneficial insects. Journal of Applied Zoological Researches 11(1): 63-65.

Paterson, H. E. H. 1985. The recognition concept of species. In E. S. Vrba: Species and speciation, pp. 21-29. Transvaal Museum Monograph No. 4. Pretoria.

Paterson, P. D.  1988. A langstroth hive with top-bars instead of frames, for tropical African bees. Bee World 69(2): 63-68.

Paterson, P. D.  1991. Africanized bees in the americas.  Bee World  72(1): 36.

Patetta, A. & A. Manino,  1986.  Studies on the action on honeybees of chemicals proposed for Varroa. Apic. Mod. 77(6): 251-256. [In Italian with English summary.].

Patil, B. S. & S. D. Viraktamath, 2001. Foraging behaviour of two species of honey bees on sesamum. Karnataka Journal of Agricultural Sciences 14(3): 796-798.

Patinawin, S. & S. Wongsiri, 1994. Scanning electron microscopy of cervical lobes of Apis drones. Journal of Apicultural Research 33(2): 65-68.

Patiny, S. 1995. Biogéographie et écologie des bourdons (Hymenoptera, Apidae) des départements de Lozère et d'Aveyron (France, Massif Central). Mémoire de licence. Université de Mons Hainaut.

Patiny, S. 1997a. Notes préliminaires à la révision du sous-genre Melanapis Cameron, 1902 et du statut d'Andrena fuscosa Erichson, 1835 (Hymenoptera, Apoidea, Andrenidae).  Entomofauna 18(33): 529-548.

Patiny, S. 1997b. Systématique des Andrenidae (Hymenoptera, Apoidea) de Gaule (Volumes 1 et 2)Mémoire de DEA.  Faculté universitaire des Sciences agronomiques de Gembloux.

Patiny, S. 1998a. Contribution à la connaissance de la régression des populations du sous-genre Taeniandrena Hedicke, 1933 (Hym., Andrenidae, Andrena) et de leurs habitudes pollinisatrices.  Notes Fauniques de Gembloux.  Sixième Journée entomologique de Gembloux 35: 20-33.

Patiny, S. 1998b. Description d'un sous-genre nouveau de Melitturga Latreille, 1809 (Hymenoptera, Apoidea, Andrenidae). Bembix 10: 29-33.

Patiny, S. 1998c. Description d'une nouvelle espèce turque de Simandrena Pérez, 1890 (Andrenidae, Andreninae).  Bembix 10: 34-36.

Patiny, S. 1998d. Révision du statut subspécifique de Panurgus dentipes corsicus Warncke, 1972.  Bulletin et Annales de la Société Royale belge d'Entomologie 134: 75-79.

Patiny, S. 1998e. Mise en synonymie de l'espèce récemment décrite Plesiopanurgus hanno Baker, 1997 et considérations sur la position subgénérique des Plesiopanurgus Cameron, 1907 (Hymenoptera, Andrenidae). Bulletin et Annales de la Société Royale belge d'Entomologie 134(3): 247-252. (In French).

Patiny, S. 1999a. Description of two new Panurginae species from Palearctic (Hymenoptera, Andrenidae). Bembix 12: 28-31.

Patiny, S. 1999b. Synonymie de Meliturgula minima Friese, 1912 et description d'une nouvelle espèce sénégalaise (Hymenoptera, Andrenidae, Panurginae).  Notes fauniques de Gembloux 37: 57-62.

Patiny, S. 1999c. Systématique générique et subgénérique des Melitturga Latreille-Meliturgula Friese-Flavomeliturgula (Warncke) (Hymenoptera: Andrenidae, Panurginae). Bulletin de la Société entomologique de France 104(3): 241-256.

Patiny, S. 1999d. Description de nouvelles espèces de Camptopoeum Spinola, 1843 (Hymenoptera, Andrenidae, Panurginae). Notes fauniques de Gembloux 37: 71-76.

Patiny, S. 1999e. Etude phylogénétique des Panurginae de l'ancien monde (Hymenoptera, Andrenidae).  Linzer Biologische Beiträge 31(1): 249-275.

Patiny, S. 1999f. Révision des Panurginae ouest-paléarctiques n'appartenant pas à la tribu des Melitturgini Michener, 1944 (Hymenoptera, Andrenidae) - Partie 1: Panurgus Panzer et Camptopoeum Spinola. Entomofauna 20(19): 309-328.

Patiny, S. 1999g. Description d'une nouvelle espèce de Flavipanurgus Warncke, 1972 (Hymenoptera, Andrenidae, Panurginae). Notes fauniques de Gembloux 37: 63-70.

Patiny, S. 2000a. Description d’un genre nouveau de Panurginae: Borgatomelissa g.nov. (Hymenoptera, Andrenidae).  Notes fauniques de Gembloux 41: 101-105.

Patiny, S.  2000b. Deux nouvelles espèces de Panurginae d'Angola et d'Afrique du Sud (Hymenoptera, Andrenidae).  Bulletin de la Société entomologique de France 105(3): 301-304.

Patiny, S. 2001a. A new Panurginae genus from Iran: Gasparinahla g.nov. described on base of a new species: Gasparinahla megapalpae sp.nov. (Hymenoptera: Apidae: Panurginae).  Linzer biologische Beiträge 33(1): 309-313.

Patiny, S. 2001b. Monographie des Panurginae de l'ancien monde (Hymenoptera: Apoidea, Andrenidae).  Thèse de doctorat.  Faculté universitaire des Sciences agronomiques de Gembloux.

Patiny, S. 2001c. Une conception multidimensionnelle des distributions biologiques autorise la généralisation du principe des équilibres intermittents.  Thèse annexe. Faculté universitaire des Sciences agronomiques de Gembloux.

Patiny, S. 2002a. A new Clavipanurgus (Andrenidae, Panurginae) species from Georgia, Clavipanurgus eurystylus sp.nov.  Linzer biologische Beiträge 34(2): 1263-1266.

Patiny, S. 2002b. Nouvelles espèces de Panurginae (Hymenoptera, Apoidea, Andrenidae) du sud de l'Ouest-Paléarctique.  Notes fauniques de Gembloux 47: 41-47.

Patiny, S. 2003a. Description d’une nouvelle espèce de Panurginus Nylander, 1848 (Hym., Andrenidae): Panurginus barletae sp.nov.  Notes fauniques de Gembloux 49:  47-50.

Patiny, S. 2003b. Panurgus platymerus Pérez, 1895 (Hymenoptera: Andrenidae) synonymy, status of the Warncke lectotype. Zootaxa 136: 1-6.

Patiny, S. 2003c. Contemporary distributions of Panurginus species and subspecies in Europe (Apoidea: Andrenidae: Panurginae).  Proceedings of the 13th international colloquium of the European Invertebrate Survey, Leiden, 2-5 September 2001: 115-121.

Patiny, S. 2003d. Revision of the subgenus Dufourea (Flavodufourea) Ebmer, 1984 (Hymenoptera, Halictidae, Rophitinae) and description of a new species D.(Flavodufourea) ulkenkalkana sp.nov. from Kazakhstan. Zootaxa  255: 1-8.

Patiny, S. 2003e. Phylogénie des espèces de Clavipanurgus Warncke, 1972 (Apoidea, Andrenidae, Panurginae). Annales de la Société entomologique de France 39(3): 229-234.

Patiny, S. & C. Gaspar, 1999. Description de la couronne paramandibulaire des Andrena F., 1775 (Hym.: Apoidea: Andrenidae: Andreninae). Annales de la Société Entomologique de France (N.S.) - Acte de la 4e CIFE 35: 41-45.

Patiny, S. & C. Gaspar, 2000a. Biogéographie des Melitturga Latreille, 1809, Meliturgula Friese, 1903 et des genres proches (Hymenoptera: Andrenidae, Panurginae). Notes fauniques de Gembloux 39: 3-44.

Patiny, S. & C. Gaspar, 2000b. Premier aperçu de la biodiversité des Panurginae (Hym.: Andrenidae) de l'Anti-Atlas (Maroc). Notes fauniques de Gembloux 41: 33-43.

Patiny, S. & C. Gaspar, 2001. Biogéographie des Panurginae ouest-paléarctiques (Hym., Apoidea, Andrenidae) - Description des zones d'endémisme en région Ouest-Paléarctique et des voies biogéographiques.  In Cartography and conservation of Biodiversity - Cartographie et conservation de la Biodiversité.  Proceedings of the International Colloquium of the European Invertebrate Survey (1999).

Patiny, S., D. Michez & B. N. Danforth, 2008. Phylogenetic relationships and host-plant evolution within the basal clade of Halictidae (Hymenoptera, Apoidea). Cladistics 24(3): 255-269. [Electronic Resource: http://dx.doi.org/10.1111/j.1096-0031.2007.00182.x].

Patiny, S., F. J. Ortiz-Sánchez & D. Michez, 2005. A review of Panurgus (Pachycephalopanurgus), with the description of a new species from Spain. Zootaxa 1037: 37-48.

Patiny, S. & P. Rasmont, 1999. Description d'un nouveau sous-genre de Plesiopanurgus Cameron, 1907 (Hymenoptera, Andrenidae, Panurginae). Notes fauniques de Gembloux 37: 77-80.

Paton, D. C. 1993. Honey bees in the Australian environment. Bioscience 43: 95-103.

Paton, D. C. 1995. Overview of feral and managed honey bees in Australia: Distribution, abundance, extent of impacts and future research. Report: Australian Nature Conservation Agency: 1-74.

Patricio, E. F. L. R. A., L. Cruz-Lopez, R. Maile, J. Tentschert, G. R. Jones & E. D. Morgan, 2002. The propolis of stingless bees: terpenes from the tibia of three Frieseomelitta species. Journal of Insect Physiology 48(2): 249-254.

Patricio, K. & C. Cruz-Landim, 2002. Mating influence in the ovary differentiation in adult queens of Apis mellifera L. (Hymenoptera, Apidae). Brazilian Journal of Biology 62(4A): 641-649.

Patterson, B. D. 1996. The ‘species alias’ problem. Nature, London 380: 589.

Patton, D. C. 1993.  Honeybees in the Australian environment.  Bioscience 43: 95-103.

Patton, W. H. 1879a.  Generic arrangement of the bees allied to Melissodes and AnthophoraBulletin of the United States Geological and Geographical survey of the Territories 5: 471-479.

Patton, W. H. 1879b.  List of a collection of aculeate Hymenoptera made by Mr. S.W. Williston in northwestern Kansas.  Bulletin of the United States Geological and Geographical Survey of the Territories 5: 349-370.

Paul, R. K., H. Takeuchi, Y. Matsuo & T. Kubo, 2005. Gene expression of ecdysteroid-regulated gene E74 of the honeybee in ovary and brain. Insect molecular biology 14(1): 9-15.

Paulian, R. & C. Delamare-Deboutteville, 1946.  Insects of Pistia stratiotes on the Ivory Coast. Bull. Soc. Entomol. Fr. 50: 135-139.

Paulus, H. F. 1988. Borek Tkalcu zum 60. Geburtstag Entomol. Ztschr. 98(6): 76-80 (Frankfurt).

Paulus, H. F. 1996. Zur Bestäubungsbiologie und Artberechtigung von Ophrys tetraloniae Teschner 1987 und Ophrys elatior Gumprecht ex Paulus spec.nov. (Orchidaceae).  Ber. Arbeitskr. Heim. Orchid. 13(2): 4-13.

Paulus, H. F. 1997. Signale in der Bestäuberanlockung: Weibchenimitation als Bestäubungsprinzip bei der mediterranen Orchideengattung Ophrys. Verh. Zool. Bot. Ges. Österreich 134: 133-176.

Paulus, H. F. 1999. Bestäubungsbiologische Untersuchungen an Ophrys bombyliflora, Orchis canariensis und Habenaria tridactylides (Orchidaceae) in Gran Canaria (Spanien). Ber. Arbeitskr. Heim. Orchid. 16(1): 4-22.

Paulus, H. F. 2000. Zur Bestäubungsbiologie einiger Ophrys-Arten Istriens (Kroatien) mit einer Beschreibung von Ophrys serotina Rolli ex Paulus spec.nov. aus der Ophrys holoserica- Artengruppe (Orchidaceae und Insecta, Apoidea). Ber. Arbeitskrs. heim. Orchid. 17(2): 4-33.

Paulus, H. F. 2001a. Andrena paucisquama – Männchen als Bestäuber der Sexualtäuschblume Ophrys aesculapii Renz 1928 (Orchidaceae; Insecta, Apoidea: Andrenidae). Ber. Arbeitskrs. heim. Orchid. 18(1): 4-10.

Paulus, H. F. 2001b. Bienen im Garten. Gartenhaus, Gartenkultur in Österreich (Wien) 2(5): 86-88.

Paulus, H. F. 2001c. Daten zur Bestäubungsbiologie und Systematik der Gattung Ophrys in Rhodos (Griechenland) mit Beschreibung von Ophrys parvula, Ophrys persephonae, Ophrys lindia, Ophrys eptapigiensis spp. nov. aus der Ophrys fusca s.str. Gruppe und Ophrys cornutula spec. nov. aus der Ophrys oestrifera-Gruppe (Orchidaceae und Insecta, Apoidea). Ber. Arbeitskrs. heim. Orchid. 18(1): 38-86.

Paulus, H. F. 2001d. Material zu einer Revision des Ophrys fusca s.str. Artenkreises I. Ophrys nigroaenea-fusca, O. colletes- fusca, O. flavipes-fusca, O. funerea, O. forestieri oder was ist die typische Ophrys fusca Link 1799 (Orchidaceae)?  Jour. Eur. Orch. 33 (1): 121-177.

Paulus, H. F. 2002 (2001). Daten zur Bestäubungsbiologie und Systematik der Gattung Ophrys in Rhodos (Griechenland) II. Über Ophrys holoserica s.lat.: Ophrys episcopalis, Op. maxima und Ophrys halia spec.nov. (Orchidaceae und Insecta, Apoidea).  Ber. Arbeitskrs. heim. Orchid. 18(2): 46-63.

Paulus, H. F. 2005. Pollination Biology of Orchids (Bestäubungs-biologie heimischer Orchideen). Pp. 98-140. In: Arbeitskreise heimische Orchideen (Eds.), Die Orchideen Deutschlands. Uhlstädt-Kirchhasel, Germany, 800 pp.

Paulus, H. F. & C. Gack, 1984a. Evolutionary significance of variability in Ophrys - learning experiments with pseudocopulating bee males. Proc. XVII Int. Congr. Entomol. Hamburg: 440.

Paulus, H. F. & C. Gack, 1984b. Pollination of Ophrys by pseudocopulating bees and wasps. Proc. XVII Int. Congr. Entomol. Hamburg: 488.

Paulus, H. F. & C. Gack, 1984c. Signalimitation als Bestäubungsstrategie der Gattung Ophrys (Orchidaceae) - Beobachtungen im Mittelmeergebiet. Symposium über Entomofaunistik in Europa, Budapest 1983, Verh. SIEEC X. Budapest, 18-21.

Paulus, H. F. & C. Gack, 1986a.  Andrena flavipes (Andrenidae): Pseudokopulation auf Ophrys fusca (Orchidaceae), Pollinienentnahme und Pollination. Publ. Wiss. Film, Sekt. Biol., Ser.18, Nr.18/E 2793, 14 S.

Paulus, H. F. & C. Gack, 1986b. Eucera barbiventris (Apidae): Pseudokopulation auf Ophrys scolopax (Orchidaceae), Pollinienentnahme und Pollination. Publ. Wiss. Film, Sekt. Biol., Ser.18, Nr.19/E 2794, 13 S.

Paulus, H. F. & C. Gack, 1986c. Neue Befunde zur Pseudokopulation und Bestäuberspezifität in der Gattung Ophrys - Untersuchungen in Kreta, Süditalien und Israel. Pp. 48-86. In: Senghas, K. & Sundermann, H. (eds.), Probleme der Taxonomie, Verbreitung und Vermehrung europäischer und mediterraner Orchideen II. Die Orchidee, Brücke Verl.Hildesheim, Sonderband.

Paulus, H. F. & C. Gack, 1990a. Pollination of Ophrys (Orchidaceae) in Cyprus. Plant Syst. Evol. 169: 177-207.

Paulus, H. F. & C. Gack, 1990b. Pollinators as prepollinating isolation factors: Evolution and speciation in Ophrys (Orchidaceae). Israel J. Botany 39: 43-79.

Paulus, H. F. & C. Gack, 1990c. Untersuchungen zur Pseudokopulation und Bestäuberspezifität in der Gattung Ophrys im östlichen Mittelmeerraum (Orchidaceae und Insecta, Hymenoptera, Apoidea). Pp. 60-116. In: Senghas, K., Sundermann, H. & Kolbe, W. (ed.), Probleme bei europäischen und mediterranen Orchideen.  Jahresber. Naturwiss. Ver. Wuppertal 43.

Paulus, H. F. & C. Gack, 1990d. Zur Pseudokopulation und Bestäuberspezifität der Gattung Ophrys in Sizilien und Süditalien (Orchidaceae und Insecta, Apoidea). Pp. 119-141. In: Senghas, K., Sundermann, H. & Kolbe, W. (ed.), Probleme bei europäischen und mediterranen Orchideen. Jahresber. Naturwiss. Ver. Wuppertal 43.

Paulus, H. F. & C. Gack, 1993. Schlafplatzmimikry bei der mediterranen Orchidee Ophrys helenae. Verh. Dt. Zool. Ges. Salzburg 86: 267.

Paulus, H. F. & C. Gack, 1994. Signalfälschung als Bestäubungsstrategie in der mediterranen Orchideengattung Ophrys - Probleme der Artbildung und der Artabgrenzung. Brederoo, P. & Kapteyn den Boumeester, D. W. (eds.), Int. Symp. Europ. Orchids, Eurorchis 1992 (Utrecht/Haarlem) : 45- 71.

Paulus, H. F. & C. Gack, 1995. Zur Pseudokopulation und Bestäubung in der Gattung Ophrys (Orchidaceae) Sardiniens und Korsikas. Jber. naturwiss. Ver. Wuppertal 48: 188-227. (39 S).

Paulus, H. F. & C. Gack, 1999. Bestäubungsbiologische Untersuchungen an der Gattung Ophrys in der Provence (SO.Frankreich), Ligurien und Toscana (N W Italien) (Orchidaceae und Insecta, Apoidea). Jour. Eur. Orch. 31(2): 347-422.

Paulus, H. F., E. Gügel, D. Rückbrodt & U. Rückbrodt, 2001. Ophrys lyciensis H. F. Paulus & E. Gügel & D. Rückbrodt & U. Rückbrodt spec.nov., eine neue Art aus dem Ophrys holoserica - Artenkreis der S. Türkei (Orchidaceae). Ber. Arbeitskrs. heim. Orchid. 18(1): 19-33.

Pauly, A.  1980a.  Les espèces indonesiennes du genre Homalictus Cockerell (Hymenoptera, Apoidea, Halictidae).  Zoologische Mededelingen – Rijksmuseum van Natuurlijke Historie de Leiden 55(2): 11-28.

Pauly, A.  1980b.  Descriptions préliminarires de quelque sous-genres afrotropicaux nouveaux dans la famille des Halictidae. Revue de Zoologie Africaine 94(1): 119-125.

Pauly, A.  1980c. Les espèces métalliques afrotropicales du sous-genre Ctenonomia du genre Lasioglossum (Hymenoptera, Apoidea, Halictidae).  Revue de Zoologie Africaine 94(1): 3-10.

Pauly, A.  1981a.  Note sur les abeilles cleptoparasites du genre Eupetersia avec une révision du sous-genre Calleupetersia. Bulletin et Annales de la Société Royale Belge d’Entomologie 117: 263-274. [In French.].

Pauly, A. 1981b. Lasioglossum (Labrohalictus) saegeri, nouveau sous-genre et nouvelle espèce de halictidae du Parc national de la Garamba (Zaïre).  Revue de Zoologie Africaine 95: 717-720.

Pauly, A. 1984a.  Glossodialictus wittei, nouveau genre et nouvelle espèce de Halictides récolte au Parc National de l’Upemba (Zaïre).  Revue de Zoologie Africaine 98: 703-708.

Pauly, A. 1984b.  Classification des Halictidae de Madagascar et des îles voisines I.  Halictinae.  Verhandlungen der Naturforschenden Gesellschaft in Basel 94: 121-156.

Pauly, A. 1984c. Paradialictus, un nouveau genre clepto-parasite récolté au Parc National des Virungas (Zaïre). Revue de Zoologie Africaine 98: 689-692.

Pauly, A. 1984d. Contribution à l’etude des genres afrotropicaux de Nomiinae. Revue de Zoologie Africaine 98: 693-702.

Pauly, A. 1984e. Donnees complementaires pour l'etude des abeilles afrotropicales du groupe Lasioglossum (Ctenonomia) duponti (Vachal) (Hymenoptera, Apoidea, Halicitidae). Revue de Zoologie Africaine 98(2): 334-336.

Pauly, A.  1984f.  New genus, new species of Halictidae collected at the National Park of Upemba (Zaire, Africa).  Rev. Zool. Afr. 98(4): 703-708.

Pauly, A. 1984g. Une nouvelle espéce de Rhopalomelissa recoltee au Parc national de la Garamba (Zaire) interessante par sa coloration metallique (Hymenoptera, Apoidea, Halictidae). Revue de Zoologie Africaine 98(2): 327-333.

Pauly, A.  1986.  Les abeilles de la sous-famille des Halictinae en Nouvelle-Guinée et dans l’archipel Bismarck. Zoologische Verhandelingen no. 227: 1-58.

Pauly, A. 1989. Les espèces afrotropicales de Pachyhalictus Cockerell du sous-genre Dictyohalictus Michener. Revue de Zoologie Africaine 103: 41-49.

Pauly, A.  1990.  Classification des Nomiinae Africains. Annales Musée Royal de l’Afrique Central, Tervuren, Science Zoologiques 261: 1-206.

Pauly, A.  1991.  Classification des Halictidae de Madagascar II. Nomiinae. Annales de la Société Entomologique de France (NS) 27(3): 287-321.

Pauly, A.  1997a.  Paraseladonia, noveau genre cleptoparasite afrotropical. Bulletin et Annales de la Société Royale Belge d’Entomologie 133: 91-99.

Pauly, A.  1997b.  Pronomia, un nouveau genre de Nomiinae de Madagascar. Bulletin et Annales de la Société Royale Belge d’Entomologie 133: 101-112.

Pauly, A.  2000.   Genetic   structure  of   colonies   and   a  male  aggregation   in   the  stingless   bee Scaptotrigona  postica,  as revealed  by microsatellite  analysis.  Insectes Sociaux  47: 63-69.

Pauly, A., R. W. Brooks, A. Nilsson, Y. Pesenko, C. D. Earley, M. Terzo, T. Griswold, M. Schwarz, S. Patiny, J. Munzinger & Y. Barbier, 2001. Hymenoptera Apoidea de Madagascar et des îles voisines Musée de l'Afrique Centrale, Tervuren, Belgique - Annales Sciences Zoologiques 286 : 1-390, 16 planches.

Pauly, A., R. W. Brooks, L. Anders Nilsson, Y. A. Pesenko, C. D. Eardley, M. Terzo, T. Griswold, M. Schwarz, S. Patiny, J. Munzinger & Y. Barbier,  2001.  Hymenoptera Apoidea de Madagascar et des iles voisines.  Annales Sciences Zoologiques 286: 1-390. 16 plates.

Pauly, A. & A. Rassel,  1982. Une etude au microscope electronique a balayage des gonostyli de Halictus (Seladonia) smaragdulus Vachal (Hymenoptera, Apoidea, Halictidae). Annales Societe Royale Zoologique de Belgique 112(2): 137-146.

Pauw, Anton, 2005. Inversostyly: a new stylar polymorphism in an oil-secreting plant, Hemimeris racemosa (Scrophulariaceae). American journal of botany 92(11): 1878-1886.

Pauw, Anton. 2006. Floral syndromes accurately predict pollination by a specialized oil-collecting bee (Rediviva peringueyi, Melittidae) in a guild of South African orchids Coryciinae). American journal of botany 93(6): 917-926. [Electronic Resource: http://www.amjbot.org/].

Pavlis, G. C. 2008. Culture: April 21, 2008. Blueberry bulletin 24(6). [Electronic Resource: http://njaes.rutgers.edu/pubs/blueberrybulletin/2008/bb-v24n06.pdf].

Pawlikowski, T. & W. Celary, 2003. Part XXIV. Hymenoptera. Issue 68a. Bees - Apidae. Introduction and the subgenus Colletinae. Klucze do Oznaczania Owadow Polski No.167:  65 pp.

Paxton, R. J. 1991. Profile of a solitary bee: Andrena fulva. Bee World 72: 11-18.

Paxton, R. J., P. A. Thren, N. Gyllenstrand & J. Tengo, 1999.  Microsatellite DNA analysis reveals low diploid male production in a communal bee with inbreeding. Biological Journal of the Linnean Society 60: 483-502.

Pawar, D. B., S. D. Warade, S. K. Patil & H. S. Barve, 2000. A note on foraging activity of honey bees in onion. Insect Environment 6(2): 61.

Pawli Kowski, T. 1989.  The structure of wild bee (Hymenoptera, Apoidea) communities from habitats of a field-pine forest ecotone. Acta Univ. Nicolai Copernici Biol. 33: 101-110. [In Polish with English summary.].

Paxton, R. J. 1991. Profile of a solitary bee: Andrena fulva. Bee World 72(1): 11-18.

Paxton, R. J. 2005. Male mating behaviour and mating systems of bees: an overview. Apidologie 36(2): 145-156.

Paxton, R. J.,  E. Arevalo & J. Field, 2003. Microsatellite loci for the eusocial Lasioglossum malachurum and other sweat bees (Hymenoptera, Halictidae). Molecular Ecology Notes 3(1): 82-84.

Paxton, R. J.,  M. Ayasse,  J. Field  &  A. Soro, 2002. Complex sociogenetic organization and reproductive skew in a primitively eusocial sweat bee, Lasioglossum malachurum, as revealed by microsatellite.  Molecular Ecology 11(11): 2405-2416.

Paxton, R. J., L. R. Bego, H. Ruhnke, F. L. W. Ratnieks & J. G. Quezada-Euan, 2001. Social evolution in stingless bees: are the workers or is the queen in control of male production? XXVII International Ethological Conference, Tübingen, Germany.

Paxton,  R. J.,  C. M.  Echazarreta  &  M. Garcia, 1991.  Africanized honey bees in Yucatan, Mexico: a detailed survey. American Bee Journal 131(10): 646-648.

Paxton, R. J.,  I. Fries,  N. J. Pieniazek  &  J. Tengö,  1997.  High incidence of infection of an undescribed  microsporidium  (Microspora)  in  the  communal  bee  Andrena  scotica (Hymen., Andrenidae). Apidologie 28: 129-141.

Paxton,  R. J.,  M. Giovanetti, F.  Andrietti,  E.  Scamoni   &  B.  Scanni, 1999.  Mating in a communal bee, Andrena agilissima (Hymenoptera: Andrenidae). Ethology Ecology & Evolution 11: 371-382.

Paxton, R. J.,  P. F. Kukuk & J. Tengö,  1999. Effects of  familiarity and  nestmate number on social  interactions in two communal bees,  Andrena scotica and  Panurgus calcaratus (Hymen., Andrenidae). Insectes Sociaux 46: 109-118.

Paxton, R. J. &  H. Pohl, 1999. The tawny mining bee,  Andrena fulva (Müller) (Hymenoptera, Andreninae),  at a South Wales  field site and its  associated organisms : Hymenoptera,  Diptera, Nematoda and Strepsiptera. British Journal of Entomology and Natural History 12: 57-67. 

Paxton, R. J.,  C. H. Sakamoto  &  F. C. N.  Rugiga, 1994.  Modification  of honey bee  (Apis mellifera L.) stinging  behaviour by  within-colony environment and age. Journal of Apicultural Research 33: 75-82. 

Paxton, R. J. & J. Tengö, 1996. Intranidal mating, emergence, and sex ratio in a communal bee Andrena jacobi Perkins 1921 (Hymenoptera: Andrenidae).  Journal of Insect Behavior 9: 421-440.

Paxton, R. J. & J. Tengö, 2001. Doubly duped males:  the sweet and sour of  the orchid's bouquet. Trends in Ecology and Evolution 16: 167-169.

Paxton, R. J., J. Tengö &  L. Hedström, 1996. Dipteran  parasites  and  other  associates  of  a communal bee, Andrena scotica (Hymenoptera: Apoidea), on Öland, SE Sweden. Entomologisk Tidskrift 117: 165-178.

Paxton,  R. J.,   P. A. Thoren,   N. Gyllenstrand   &   J. Tengo, 2000. Microsatellite DNA analysis reveals low diploid male production in a communal bee with inbreeding. Biological Journal of the Linnean Society  69(4): 483-502.

Paxton,  R. J.,   P. A. Thorén,  A. Estoup &  J. Tengö,  2001. Queen-worker conflict over male production  and  sex ratio  in a  facultatively  polyandrous  bumble  bee,  Bombus hypnorum: the consequences of nest usurpation. Molecular Ecology 10: 2489-2498.

Paxton, R. J., P. A. Thorén,  N. Gyllenstrand & J. Tengö, 2000. Microsatellite DNA analysis reveals low diploid male  production in a communal bee with inbreeding.  Biological Journal of the Linnean Society 69(4): 483-502.

Paxton,  R. J.,  P. A. Thorén,  J. Tengö,  A. Estoup  &  P. Pamilo, 1996. Mating structure and nestmate  relatedness  in a communal bee,  Andrena jacobi  (Hymenoptera,  Andrenidae),  using microsatellites. Molecular Ecology 5(4): 511-519.

Paxton, R. J., N. Weißschuh, W. Engels, K. Hartfelder & J. J. G. Quezada-Euan, 1999. Not only single mating in stingless bees. Naturwissenschaften 86: 143-146.

Paxton, R. J., N. Weißschuh &  J. J. G. Quezada-Euan, 1999. Characterization of dinucleotide microsatellite loci for stingless bees. Molecular Ecology 8: 690-692.

Paxton, R. J., N. Weissschuh &  J. J. G. Quezada-Euan, 1999. Characterization of dinucleotide microsatellite loci for stingless bees. Molecular Ecology 8(4): 690-692.

Paydas, S., S. Eti, O. Kaftanoglu, E. Yasa & K. Derin, 2000. Effects of pollination of strawberries grown in plastic greenhouses by honeybees and bumblebees on the yield and quality of the fruits. Acta Horticulturae No.513: 443-451.

Paydas, S., S. Eti, S. Sevinc, E. Yasa, K. Derin, N. Kaska & O. Kaftanoglu, 2000. Effects of different pollinators to the yield and quality of strawberries. Acta Horticulturae No.522: 209-215.

Payette, A. 1987. Entomofaune pollinisatrice (Hymenoptera : Apoidea) de la région Agricole de Saint-Hyacinthe. Mémoire de M. Sc., U.Q.A.M., Montréal, 82 pages.

Payette, A. 1999. L'abeille découpeuse de la luzerne, Megachile rotundata (Fabricius) (Hymenoptera : Megachilidae), dans la moitié sud du Québec. Le Naturaliste canadien 123: 19-24.

Payette, A. 2001. Première mention de l'abeille Dufourea novaeangliae (Hymenoptera : Halictidae) pour le Québec. Fabreries 26(1) : 20-25.

Payette, A. 2002a. Première mention de l'abeille adventice Anthidium manicatum (Linné) (Hymenoptera : Megachilidae) pour le Québec. Fabreries 26(2) [2001]: 87-97.

Payette, A. 2002b. Première mention de l'abeille Melissodes apicata Lovell and Cockerell (Hymenoptera : Apidae) pour le Québec. Fabreries 27(2): 81-85.

Payette, A. 2004. Première mention de l'abeille Osmia subaustralis (Cockerell) (Hymenoptera : Megachilidae) pour le Québec. Fabreries 29(1) : 27-32.

Payette, A.  & D. de Oliveira, 1989. Diversité et abondance des Apoïdes (Hymenoptera : Apoidea) dans l'agroécosystème de Saint-Hyacinthe, Québec. Le Naturaliste canadien 116: 155-165.

Payette, A. & M. Payette, 2003. Première mention de l’abeille Peponapis pruinosa (Say) (Hymenoptera : Apidae) pour le Québec. Fabreries 28(1): 37-47.

Payne, R. M. 1974a. Insects of flowers of Inula crithmoides L.(Compositae). Entomologist Monthly Magazine 110: 202.

Payne, R. M. 1974b. Insects of flowers of elecampane (Inula helenium L.).  Entomologist Monthly Magazine 110: 221.

Payne, J. A., J. H. Cane, A. A. Amis & P. H. Lyrene, 1989.  Fruit size, seed size, seed viability and pollination of rabbiteye blueberry (Vaccinium ashei Reade). Acta Horticulturae No. 241: 38-43.

Peabody, E. 2004. Bees that resist mites are busy groomers. Agricultural research 52(12): 21. [Electronic Resource: http://www.ars.usda.gov/is/AR/archive/dec04/bees1204.htm].

Peabody, E. 2005. Cleaning house-and hive. Agric. Res. 53(10): 8-9. [ER: http://www.ars.usda.gov/is/AR/archive/oct05/hive1005.htm].

Peach, M. L., D. G. Alston & V. J. Tepedino, 1994. Bees and bran bait: Is carbaryl bran bait lethal to alfalfa leafcutting bee (Hymenoptera: Megachilidae) adults or larvae? Journal of Economic Entomology 87(2): 311-317.

Peach, M. L., D. G. Alston & V. J. Tepedino, 1995. Sublethal effects of carbaryl bran bait on nesting performance, parental investment, and offspring size and sex ratio of the alfalfa leafcutting bee (Hymenoptera: Megachilidae). Environmental Entomology 24(1): 34-39.

Peakall, R. & F. P. Schiestl, 2004. A mark-recapture study of male Colletes cunicularius bees: implications for pollination by sexual deception. Behavioral Ecology and Sociobiology 56(6): 579-584.

Pearce,  A. N., Z. -Y. Huang & M. D. Breed, 2001. Juvenile hormone and aggression in honey bees. Journal of Insect Physiology 47(11): 1243-1247.

Pearson, D. L. & R. L. Dressler, 1985. Two-year study of male orchid bee (Hymenoptera: Apidae: Euglossini) attraction to chemical baits in lowland south-eastern Peru. Journal of Tropical Ecology 1: 37-54.

Pearson, J. F. W. 1933.  Studies on the ecological relations of bees in the Chicago region.  Ecol. Monogr. 3(3): 373-441.

Pecetti, L., A. Tava, A. Felicioli, M. Pinzauti & E. Piano, 2002. Effect of three volatile compounds from lucerne flowers on their attractiveness towards pollinators. Bulletin of Insectology 55(1/2): 21-27.

Peck, O. 1969.  Chalcidoid (Hymenoptera) parasites of the alfalfa leafcutter bee, Megachile rotundata, in Canada.  Canad. Entomol. 101(4): 418-422.

Peck, O. & J. L. Bolton, 1946.  Alfalfa seed production in northern Saskatchewan as affected by bees, with a report on means of increasing the populations of native bees.  Scientific Agriculture 26: 338-418.

Pedersen, B. V. 1996. A phylogenetic analysis of cuckoo bumblebees (Psithyrus, Lepeletier) and bumblebees (Bombus, Latreille) inferred from sequences of the mitochondrial gene cytochrome oxidase I. Molecular Phylogenetics and Evolution 5: 289-297.

Pedersen, B. V. 2002. European bumblebees (Hymenoptera: Bombini) – phylogenetic relationships inferred from DNA sequences. Insect Systematics and Evolution 33(4): 361-386.

Pedersen, M. W. 1953a. Seed production in alfalfa as related to nectar production and honeybee visitation. Botanical Gazette 115: 129-138.

Pedersen, M. W. 1962. An analysis of certain factors associated with pollination and seed production in alfalfa. In Proceedings of the1st Internatl. Symposium on Pollination, Copenhagen, Aug. 1960. Commun. 7, Swedish Seed Growers' Association: 64-74.

Pedersen, M. W. & G. E. Bohart, 1950. Using bumblebees in cages as pollinators for small seed plots. Agron. Jour. 42(10): 523.

Pederson, M. W., G. E. Bohart, M. D. Levin, et al., 1959. Cultural practices for alfalfa seed production. Utah Agriculture Experiment Station Bulletin  No. 408: 1-31.

Pedersen, M. W., G. E. Bohart, V. L. Marble & E. C. Klostermeyer,  1972.  Seed production practices.  In: C. H. Hanson (ed.), Alfalfa Science and Technology.  Agronomy series No. 15, American Society of Agronomy, Inc. Madison, WI.

Pederson, M. W. & W. P. Nye, 1962.  Alfalfa seed production studies.  Utah Agriculture Experiment Station Bulletin  No. 436: 1-22.

Pederson, M. W., H. L. Petersen, G. E. Bohart & M. D. Levin, 1956. A comparison of the effect of complete and partial cross-pollination of alfalfa on pod set, seeds per pod, and pod and seed weight. Agron. Jour. 48: 177-180.

Pederson, M. W. & E. E. Todd, 1949. Selection and tripping in alfalfa clones by nectar- collecting honeybees.  Agron. Jour. 41: 247 - 249.

Pederson, M. W., E. E. Todd & E. V. Lieberman, 1950. A portable field cage. U.S. Department Agriculture Bur. Ent. ET-289, pp. 1-9.

Pedro, S. R. de M. 1996.  Lista preliminary das espécies de abelhas (Hymenoptera, Apoidea) que ocorrem na região de Ribeirão Preto e Cajuru, S.P. In C.A. Garófalo et al. (eds.), Anais do II Encontro sobre AbelhasCiências e Letras, Faculdade de Filosofia, Ribeirão Preto, Brazil. Pp. 248-258.

Pedro, S. R. de M.  &  J. M. F. D. Camargo, 1991. Interactions of floral resources between the Africanized honey bee Apis mellifera L. and the native bee community (Hymenoptera: Apoidea) in a natural cerrado ecosystem in southeast Brazil. Apidologie 22(4): 397-416.

Pedro, S. R. M. & J. M. F. Camargo, 1996-1997. A new species of Partamona (Hymenoptera: Apidae) endemic to eastern Panama and notes on P. grandipennis. Rev. Biol. Trop. 44(3)/45(1): 199-208.

Pedro, S. R. de M.  &  J. M. F. D. Camargo, 1999. Hymenoptera, Apiformes. Pp. 193-211. In: C. R. F. Brandão & E. M. Cancello (eds.), Biodiversidade do Estado de São Paulo, Brasil. 5: Invertebrados Terrestres. Fapesp, São Paulo.

Pedro, S. R. M. & J. M. F. Camargo, 2003. Meliponini neotropicais: o gênero Partamona Schwarz, 1939 (Hymenoptera, Apidae). Revista Brasileira de Entomologia 47(Supl. I): 1-117.

Peele, P., M. Ditzen, R. Menzel & C. G. Galizia, 2006. Appetitive odor learning does not change olfactory coding in a subpopulation of honeybee antennal lobe neurons. Journal of comparative physiology A, Sensory, Neural and behavioral physiology 192(10): 1083-1103. [Electronic Resource: http://dx.doi.org/10.1007/s00359-006-0152-3].

Peeters, C. & F. Ito, 2001. Colony dispersal and the evolution of queen morphology in social Hymenoptera. Annu. Rev. Entomol. 46: 601-630.

Peeters, T. M. J. & M. Reemer, 2003. Bedreigde en verdwenen bijen in Nederland (Apidae s.l.) : basisrapport met voorstel voor de Rode Lijst. Leiden (Netherlands). Stichting European Invertebrate Survey (2003). 96 pages.

Pegoraro, A., A. Chaves Neto & C. M. A. Dalla, 2001. Production of eggs, larvae and pupae in Apis mellifera scutellata (Hym., Apidae) colonies. Archives of Veterinary Science 6(2): 57-62.

Peitsch, D. 1988. Comparative approach to spectral sensitivities of photoreceptors and colour vision in Hymenopterans. Pp. 117-121. In: D. G. de Souza et al. (eds.), Sociedade de Psicologia de Ribeirao Preto. Anais da XVIII Reuniao Anual de Psicologia. Sao Paulo.

Peitsch, D., A. Fietz, H. Hertel, J. de Souza, D. F. Ventura & R. Menzel, 1992. The spectral input systems of hymenopteran insects and their receptor-based colour vision. J. Comp. Physiol. A 170: 23-40.

Pekkarinen, A. 1979. Morphometric, colour and enzyme variation in bumblebees (Hymenoptera, Apidae, Bombus) in Fennoscandia and Denmark. Acta zoologica fennica 158: 60 pp.

Pekkarinen, A. 1982. Morphology and specific status of Bombus lapponicus (Fabricius) and B. monticola Smith (Hymenoptera: Apidae). Entomologica scandinavica 13: 41-46.

Pekkarinen, A., O. Berg, I. Calabuig, L. A. Janzon & J. Luig, 2003. Distribution and co-existence of the Macropis species and their cleptoparasite Epeoloides coecutiens (Fabr.) in NW Europe (Hymenoptera: Apoidea, Melittidae and Apidae). Entomologica Fennica  14(1): 53-59.

Pekkarinen, A., P. Pamilo & S. L. Vario-Aho, 1978. Genetic enzymatic polymorphism in Hymenoptera: its occurrence and application to taxonomy. Norweigian Journal of Entomology 25(1): 86-87.

Pekkarinen, A. & E. Kaarnama, 1994. Bombus terrestris auct. new to Finland (Hymenoptera, Apidae). Sahlbergia 1: 11-13.

Pekkarinen, A. & I. Teräs, 1993. Zoogeography of Bombus and Psithyrus in northwestern Europe (Hymenoptera , Apidae). Annales Zoologici Fennici 30: 187-208.

Pekkarinen, A., I. Teräs, J. Viramo &  J. Paatela, 1981. Distribution of bumblebees (Hymenoptera, Apidae: Bombus and Psithyrus) in eastern Fennoscandia. Notulae Entomologicae 61: 71-89.

Peled, R. 1971. Beekeeping in West Africa. American Bee Journal  111(6):  222-223.

Pelletier, L., J. N. McNeil, 2004. Do bumblebees always forage as much as they could? Insectes Sociaux 51(3): 271-274.

Pellett,  E. C. 1941. Pollination of alfalfa. American Bee Journal 81: 129.

Pellmyr, O. & L. B. Thien, 1986. Insect reproduction and floral fragrances: keys to the evolution of the angiosperms?  Taxon 35(1): 76-85.

Pellmyr, O., L. B. Thien, G. Bergstrom & I. Groth, 1990. Pollination of New Caledonian Winteraceae: opportunistic shifts or parallel radiation with their pollinators? Plant Systematics and Evolution 173(3/4): 143-173.

Pelz, C., Jander, J., Rosenboom, H., Hammer, M. & Menzel, R. 1999. IA in Kenyon cells of the mushroom body of honeybees resembles Shaker currents: Kinetics, modulation by K+, and simulation. J. Neurophysiol. 81: 1749-1759.

Pena, G. L. E. 1973.  New insects accidentally introduced into Chile.  Rev. Chil. Entomol. 7: 251.   

Pence, H., T. Wilson, J. O. Schmidt & A. F. White, 1985. Evaluation of Sweat Bee allergy with Sweat Bee venom. J. Allerg. clin. Immunol. 75(1, part 2): 209. [Published Abstract only].

Pendlebury, H. M. 1923. Four new species of Bombus from the Malay Peninsula. Journal of the Federated Malay States Museums 11: 64-67.

Penedo, M. C. T., P. R. Forehead & F. S. Zucoloto, 1976. Nutritional value of the gevral and of I leaven it of beer in different mixtures with the pollen for Scaptotrigona (Scaptotrigona) postica (Hymenoptera, Apidae). Science and Culture 28(5): 536-538.

Peng, C. Y. S., X. S. Zhou &  H. K. Kaya, 2003. Virulence and site of infection of the fungus, Hirsutella thompsonii, to the honey bee ectoparasitic mite, Varroa destructor. Journal of Invertebrate Pathology 81(3): 185-195.

Peng, G., J. C. Sutton & J. C. Keven, 1992.  Effectiveness of honeybees for applying the biocontrol agent Glicoladium roseum to strawberry flowers to suppress Botrytis cinereaCanadian Journal of Plant Pathology 14: 117-129.

Peng J. 1992. Iconography of forest insects in Hunan, China. Hunan Scientific and Technical Publishing House. 1473 pages. [In Chinese.]

Peng, Y. -S. 1986. Filtering mechanism of the honey bee proventri-culus. Physiological Entomology 11(4): 433-439.

Peng, Y. -S. 1988. The resistance mechanism of the Asian honey bee (Apis cerana) to the mite Varroa jacobsoni. Pp. 426-429. In: Needham, G.R. (ed.), Africanized honey bees and bee mites. E. Horwood, Chichester, West Sussex, England.

Peng, Y. -S. & Y. Fang, 1988. Removal of the mite Varroa jacobsoni from the brood of the European honey bee Apis melliferain foster colonies of the Asian honey bee Apis cerana. Pp.430-433. In: Needham, G.R. (ed.), Africanized honey bees and bee mites. E. Horwood, Chichester, West Sussex, England.

Peng, Y. -S., D. M. Gordon, M. E. Nasr & L. R. Teuber, 1987. Pollen variation in alfalfa (Medicago sativa L.) cultivars. Pollen et Spores 29: 45-58.

Peng, Y. -S., Y. Fang, S. Xu,  L. Ge & M. E. Nasr, 1987. The response of the foster Asian honey bee (Apis cerana Fabr.) to the brood of European honey bee (Apis mellifera Linn.) infested with parasitic mite, Oudemans. Journal of Invertebrate Pathology 49: 259-264.

Peng, Y. -S., S. J. Locke, M. E. Nasr, T. P. Liu & M. A. Montague, 1990. Differential staining for living and dead sperm of honey bees. Physiol. Entomol. 15: 211-217.

Peng, Y.-S., S. J. Locke, M. E. Nasr, T. P. Liu & M. A. Montague, 1990.  Differential staining for live and dead sperm of honey bees.  Physiol. Entomol. 15(2): 211-218.

Peng, Y. S., J. M. Marston & O. Kaftanoglu, 1984. Effect of supplemental feeding of honeybee (Hymenoptera: Apidae) populations and the economic value of supplemental feeding for production of package-bees. Journal of Economic Entomology 77(3): 632-636.

Peng, Y. -S. & M. E. Nasr, 1985. Detection of honey bee tracheal mites (Acarapis woodi) by simple staining techniques. Journal of Invertebrate Pathology  46(3): 325-331.

Peng, Y. -S., M. E. Nasr & S. J. Locke, 1988. Geographical races of Apis cerana Fabricius in China and their distribution. [Review of recent Chinese publications and preliminary statistical analysis]. Apidologie 19: 9-20.

Peng, Y. S., M. E. Nasr, J. M. Marston, 1986. Release of alfalfa, Medicago sativa, pollen cytoplasm in the gut of the honeybee, Apis mellifera (Hymenoptera: Apidae). Annals of the Entomological Society of America 79(5): 804-807.

Peng, Y. S., M. E. Nasr, J. M. Marston  & Y. Fang, 1984. Digestion of Torula yeast, Canadida utilis, by the adult honeybee, Apis mellifera.  Annals of the Entomological Society of America 77(5): 627-632.

Peng, Y. -S., M. E. Nasr, J. M. Marston & Y. Fang, 1985. The digestion of dandelion pollen by adult worker honeybee. Physio. Entomol. 10(1): 75-82.

Peng, Y. -S. & K. -Y. Peng, 1979. A study on the possible utilization of immunodiffusion and immunofluorescence techniques as the diagnostic for American foulbrood of honeybees (Apis mellifera). Journal of Invertebrate Pathology 33: 284-289.

Peng, Y., et al. 1987. The resistance mechanism of the Asian honeybee Apis cerana Fabr., to an ectoparasitic mite, Varroa jacobsoni Oudemans. Journal of Invertebrate Pathology 49(1): 54-60.

Pengelly, D. H. 1953. Alfalfa pollination in southern Ontario. Entomological Society of Ontario Annual Report No. 84: 101-118.

Pengelly, D. H. 1958. The genus Megachile latreille (Hymenoptera: Megachilidae) and alfalfa pollination. In Proceedings of the10th international Congress of Entomology, Montreal. Aug. 1956, Pp. 945-950.

Percival, M. S. 1950.  Pollen presentation and pollen collection.  New Phytol. 49: 40-63.

Pereboom, J. J. M., W. C. Jordan, S. Sumner, R. L. Hammond & A. F. G. Bourke, 2005. Differential gene expression in queen-worker caste determination in bumble-bees. Proceedings of the Royal Society B. Biological sciences  272(1568): 1145-1152.

Pereira, A. M. & J. Chaud-Netto, 2005. Africanized honeybees: Biological characteri-stics, urban nesting behavior and accidents caused in Brazilian cities (Hymenoptera: Apidae). Sociobiology 46(3): 535-550.

Pereira, A. S., E. A. Nascimento, F. R. de Aquino Neto, 2002. Lupeol alkanoates in Brazilian propolis. Zeitschrift fur Naturforschung. Section C, Biosciences 57(7/8): 721-726.

Pereira, M. & C. A. Garófalo, 1996.  Aprovisionamento de céllulas por Centris (Hemisiella) vittata Lepeletier. In C.A. Garófalo et al. (eds.), Anais do II Encontro sobre AbelhasCiências e Letras, Faculdade de Filosofia, Ribeirão Preto, Brazil. P. 329.

Pérez, J. 1880. Contribution à la faune des apiaires de France. Première partie, récoltantes. Actes de la Société Linnéenne de Bordeaux 33(1879): 119-229.

Pérez, J. 1884. Contribution à la faune des apiaires de France. Deuxième partie. Parasites. Actes de la Société Linnéenne de Bordeaux 37(1883): 205-380.

Pérez, J. 1890a. Hermann Müller et la coloration de l’appareil collecteur des Abeilles. Mémoires de la Société des Sciences Physiques et Naturelles de Bordeaux (3)5: 239-249.

Pérez, J. 1890b. Sur la Funa apidologique du sudouest de la France. CR [Comptes rendus des séances heblomadaires de l’Académie des Sciences (Paris)] CXI: 991-993.

Pérez, J. 1890c. Catalogue des mellifères du sud-ouest. Actes de la Société Linnéenne de Bordeaux 44: 133-192.

Pérez, J. 1891. English bees found in Algeria and at Barcelona. Actes de la Société Linnéenne de Bordeaux  44: 198-200.

Pérez, J. 1895a. Voyage de M. Ch. Alluaud aus îles Canaries (Novembre 1889-Juin 1890), 4e mémoire (1). Hyménoptères. Annales de la Société entomologique de France 64: 191-201.

Pérez, J. 1895b. Espèces nouvelles de Mellifères de Barbarie (Diagnoses préliminaires). G. Gounouilhou, Bordeaux, 64 pp.

Pérez, J.  1897a.  Quelques espèces de mégachiles nouvelles ou mal connues.  Comptes Rendus des Séances, in Actes de la Société Linnéenne de Bordeaux 52: lviii-lxvii.

Pérez, J.  1897b.  Sur une forme nouvelle de l’appareil buccal des hyménoptères.  Comptes Rendus de l’Académie des Sciences [Paris] 125: 259-260.

Pérez, J. 1901.  Contribution à  l’étude des xylocopes.  Actes de la Société Linnéenne de Bordeaux (6)6 (=vol. 56): 1-128.

Pérez, J. 1903. Espéces nouvelles de melliféres. Proc.-verb. Soc. Linn. Bordeaux 58: 78-93, 208-236.

Pérez, J. 1905. Hyménoptères recueillis dans le Japon central, par M. Harmand, ministre plénipotentiaire de France à Tokio. Bulletin du Muséum national d’histoire naturelle 11: 23-39.

Pérez, J. 1907. Descriptions de trois espèces nouvelles de mellifères trouvées par M. Henri Gadeau de Kerville en Khroumirie (Tunisie). Bull. Soc. Sci. nat. Rouen 43: 19-21.

Pérez, J. 1909. Sur quelques variétés de bourdons de la Corse. Procès-verbaux de la Société Linnéenne de Bordeaux 62: clvii-clix.

Perez, J. L., M. Higes, M. Suarez, J. Llorente & A. Meana, 2001. Easy ways to determine honey bee mortality using dead-bee traps. Journal of Apicultural Research 40(1): 25-28.

Perez-Castro, E. E.,  W. de J. May-Itza & J. J. G. Quezada-Euan, 2002. Thirty years after: a survey on the distribution and expansion of Africanized honey bees (Apis mellifera) in Peru. Journal of Apicultural Research 41(3/4): 69-73.

Perez-Gago, M. B., M. A. del Rio & M. Serra, 2005. Effect of whey protein-beeswax edible composite coating on color change of fresh-cut persimmons cv. "Rojo Brillante'. Acta horticulturae No. 682(3): 1917-1923. [Paper presented at the 5th international postharvest symposium on June 6-11, 2004, Verona, Italy, volume 3].

Perez-Gago, M. B., M. Serra, M. Alonso, M. Mateos & M. A. del Rio, 2005. Effect of whey protein- and hydroxypropyl methylcellulose-based edible composite coatings on color change of fresh-cut apples. Postharvest biology and technology 36(1): 77-85.

Perez Santiago, G., G. Otero-Colina, D. Mota Sanchez, M. E. Ramirez Guzman & R. Vandame, 2000. Comparing effects of three acaricides on Varroa jacobsoni (Acari: Varroidae) and Apis mellifera (Hymenoptera: Apidae) using two application techniques. Florida Entomologist 83(4): 468-476.

Perez-Sato, J. A. & T. Cervantes-Santana, 2001. Selection for tolerance to Varroa jacobsoni Oud. in an Euro-African honeybee population. Agrociencia (Montecillo) 35(4): 413-421.

Perez-Sato, J.A., W. O. H. Hughes, M. J. Couvillon & F. L. W. Ratnieks, 2007. Improved technique for introducing four-day old virgin queens to mating hives that users artificial and natural queen cells for introduction. Journal of apicultural research 46(1): 28-33.

Perkins, G., J. R. Estes & R. W. Thorp, 1975a. Pollination of Cnidoscolus texanus (Euphorbiaceae) in South-central Oklahoma.  Southwestern Nature 20: 391-396.

Perkins, R. C. L. 1889. Is Sphecodes parasitic? Entomologist Monthly Magazine 25: 206-208.

Perkins, R. C. L. 1892.  Stylopized bees.  Entomologist Monthly Magazine 28: 1-4.

Perkins, R. C. L. 1899.  Hymenoptera Aculeata [except ants]. In: R.C.L.Perkins & A. Forel, Hymenoptera Aculeata, in D. Sharp (ed.), Fauna Hawaiiensis. Vol. 1, part 1. Cambridge University Press, London. Pp. 1-115, pls I, II. 

Perkins, R. C. L. 1908. Some remarkable Australian hymenoptera. Proceedings of the Hawaiian Entomological Society 2: 27-35.

Perkins, R. C. L. 1910a. Hymenoptera Aculeata (Supplement). In R.C.L.Perkins & A. Forel, Hymenoptera Aculeata, in D. Sharp (ed.), Fauna Hawaiiensis. Vol.2, part 12. Cambridge University Press, London. Pp. 600-686. 

Perkins, R. C. L. 1910b. Supplement to Hymenoptera. Fauna Hawaiiensis 2: 600-686.

Perkins, R. C. L. 1912.  Notes, with descriptions of new species, on aculeate Hymenoptera of the Australian Region.  Annals and Magazine of Natural History (8)9: 96-121.

Perkins, R. C. L. 1913. Introduction, in D. Sharp (ed.), Fauna Hawaiiensis. Vol.1, part 6. Cambridge University Press, London. Pp. xv-lxxviii, pls i-xvi. 

Perkins, R. C. L. 1919. The British species of Andrena and NomadaTransactions of the Entomological Society of London 1919: 218-319, pls. XI-XV.

Perkins, R. C. L. 1922. The British species of Halictus and Sphecodes Entomologist’s Monthly Magazine 58: 46-52.

Perkins, R. C. L. 1925. The British species of Megachile, with descriptions of some new varieties from Ireland, and of a species new to Britain in F. Smith’s collection.  Entomologist’s Monthly Magazine 61: 95-101.

Perkins, R. C. L. & L. E. Cheesman, 1928. Hymenoptera, Apoidea, Sphecoidea and Vespoidea.  In: Insects of Samoa and other Samoan terrestrial Arthropods.  Part V,  Fasc. 1, Apoidea, Sphecoidea & Vespoidea. Pp. 1-32. British Museum (Natural History), London.

Perkins, W. E., J. R. Estes & R. W. Thorp, 1975b. Pollination ecology of interspecific hybridization in Verbena. Bulletin of the Torrey Botanical Club 102(4): 194-198.

Perlin, T. A., C. M. Alberto & J. C. da Silva, 2000. Birth of queens (Apis mellifera) in stoves with different temperatures. Revista Cientifica Rural 5(2): 158-161.

Pernal, S. F., D. S. Baird, A. L. Birmingham, H. A. Higo, K. N. Slessor & M. L. Winston, 2005. Semiochemicals influencing the host-finding behaviour of Varroa destructor. Experimental & applied acarology 37(1-2): 1-26. [Electronic Resource: http://www.kluweronline.com/issn/0168-8162/contents].

Pernal, S. F. & R. W. Currie,  2000.  Pollen  quality of fresh and 1-year-old single pollen diets for worker honey bees (Apis mellifera L.). Apidologie 31(3): 387-410.

Pernal, S. F. & R. W. Currie, 2001a. The influence of pollen quality on foraging behavior in honeybees (Apis mellifera L.). Behavioral Ecology and Sociobiology 51(1): 53-68.

Pernal, S. F. & R. W. Currie, 2001b. Improved flight and rearing room design for honey bees (Hymenoptera: Apidae). Journal of Economic Entomology 94(4): 793-805.

Pernal, S. F. & R. W. Currie, 2002. Discrimination and preferences for pollen-based cues by foraging honey bees, Apis mellifera L. Animal Behaviour 63(2): 369-390.

Perris, E. 1878. Rectifications et additions a mes promenades entomologiques. Ann. Soc. Entomol. Fr. (5)7: 379-386.

Perry, A. R. 2008. Proving their prowess--insects help preserve germplasm collection. Agricultural research 56(5): 14-16.

Persano O. L., E. Ealdi & M. Accorti, 1990.  Diastatic activity in some unifloral honeys.  Apidologie 21(1): 17-24.

Perty, J. A. M. 1833. Delectus Animalium Articulatorum … Brasiliam. Fasc. 3: 1-224, pls. 1-40. München. [Hymenoptera on pp. 129-151, pls. 26-28.]

Perumal, S. R., P. Gopalakrishnakone, M. M. Thwin, T. K. V. Chow, H. Bow, E. H. Yap & T. W. J. Thong, 2007. Antibacterial activity of snake, scorpion and bee venoms: a comparison with purified venom phospholipase Aâ‚ enzymes. Journal of applied microbiology 102(3): 650-659. [Electronic Resource: http://dx.doi.org/10.1111/j.1365-2672.2006.03161.x].

Peruquetti, R. C. 2000. Function of fragrances collected by euglossine males (Hymenoptera: Apidae). Entomologica Generalis 25(1): 33-37.

Peruquetti, R. C., L. A. O. Campos, C. D. P. Coelho, C. V. M. Abrantes & L. C. O. Lisboa, 1999. Abelhas Euglossini (Apidae) de àreas de Mata Atlântica: abundância, riqueza e aspectos biològios. Revista Brasileira de Zoologia 16: 101-118.

Pesante, D. G. & R. G. Danka, 1988. Pollen collection and use by Africanized honeybees. Pp. 490-494. In: Proceedings of the Fourth International Conference on Apiculture in Tropical Climates, Cairo, Egypt, 6-10 November 1988. Government of Egypt & International Bee Research Association.

Pesante, D. G., T. E. Rinderer & A. M. Collins, 1987a. Differntial pollen collection by Africanized and European honeybees in Venezuela. Journal of Apicultural Research 26(1):  24-29.

Pesante, D. G., T. E. Rinderer & A. M. Collins, 1987b. Differential nectar foraging by Africanized  and European honeybees in the neotropics. Journal of Apicultural Research 26(4):  210-216

Pesante, D. G.,  T. E. Rinderer,  A. M. Collins,  D. L. Boykin  &  S. M.  Buco,  1992.    Honey production in Venezuela: Effects of feeding sugar syrup on colony weight gains by Africanized and European colonies. Apidologie 23(6): 545-552.

Pesenko, J. A. & K. Warncke, 1987. Beitrag zur Bienenfauna des Iran. 22. Die Tribe Nomioidini (Hymenoptera: Halictidae). Boll. Mus. Civ. Stor. Nat., Venezia 36[1985]: 109-115.

Pesenko, Yu. A. 1971a.  Information on the fauna and ecology of Apoidea (Hymenoptera) of the steppes of the lower Don. I.  The family Megachilidae.  Entomol. Obozr. 50: 66-78. [In Russian, English translation in Entomological Review 50(1): 38-47.1972].

Pesenko, Yu. A. 1971b.  Information on the fauna and ecology of bees (Apoidea, Hymenoptera) of the steppes of the lower Don. II.  The family Halictidae.  Entomol. Obozr. 51: 287-295.

Pesenko, Yu. A. 1974.  On the fauna and ecology of Apoidea (Hymenoptera) of the lower Don. IV. The family Anthophoridae.  Entomol. Obozr. 53(2): 324-333. [In Russian, English translation in Entomological Review 53(2): 60-68. 1975.].

Pesenko, Yu. A. 1975.  On the fauna and ecology of Apoidea (Hymenoptera) of the lower Don. VI. Review of trophic links.  Entomol. Obozr. 54(3): 555-564. [In Russian, English translation in Entomological Review 54(3): 53-59. 1975.].

Pesenko, Yu. A. 1976. Application of indicators of similarity for analysis of closeness of biocenotic relation between ecosystem components. [Illustrated by an investigation of the correlation between entomophilous plants and the composition of the population of pollinator bees.]. Soviet Journal of Ecology 7(2): 98-102. [Also in Ecologiia 7(2): 7-12.].  

Peseno, Yu. A. 1978.  On the fauna and ecology of Apoidea (Hymenoptera) of the Lower Don 7. Phenology, seasonal and diurnal abundance dynamics. Entomologicheskoe Obozrenie 58: 762-771. [In Russian, English translation in Entomological Review 57(4): 523-529.1979].

Pesenko, Yu. A. 1979. A new species of the genus Sphecodes Latr. from the nest of Nomioides minutissimus (Rossi) (Hymenoptera, Halictidae). Entomologicheskoe Obozrenie 59: 860+. [In Russian, English summary in Entomological Review 58(4): 136.1980].

Pesenko, Yu. A. 1982.  The alfalfa leaf-cutter bee Megachile rotundata and its management for alfalfa pollination (Review and bibliography). Leningrad ‘Nauka”, 1-136.

Pesenko, Yu. A. 1983. Tribe Nomioidini (in the palearctic fauna), Fauna of the USSR, Insecta-Hymenoptera, Halictid Bees (Halictidae), subfamily Halictinae. Nauka, Leningrad 17(1): 1-198 [In Russian].

Pesenko, Yu. A. 1984a.  Synonymic annotated catalog of species names of the bees of the genus Halictus Latreille sensu stricto (Hymenoptera, Halictidae) in the world fauna. In Y.A. Pesenko (ed.), Systematics and Ecology of Bees. Trudy Zoologicheskova Instituta, Akademii nauk SSSR 128: 16-32. [In Russian].

Pesenko, Yu. A. 1984b. A subgeneric classification of bees of the genus Halictus Latreille s.str. Entomologicheskoe Obozrenie 63: 340-357 [In Russian, English translation in Entomological Review 63(3): 1-20].

Pesenko, Yu. A. 1984c.  Systematics of the bees of the genus Halictus Latreille (Hymenoptera, Halictidae) with a description of the 7th and 8th metasomal sterna of males: Subgenus Platyhalictus. In Y.A. Pesenko (ed.), Systematics and Ecology of Bees. Trudy Zoologicheskova Instituta, Akademii nauk SSSR 128: 33-48. [In Russian].

Pesenko, Yu. A. 1984d.  The bees of the genus Halictus Latreille sensu stricto (Hymenoptera, Halictidae) of Mongolia and north-western China, with a review of publications on Halictini of this region and a revision of the subgenus Prohalictus of the world fauna.  In B.A. Korotyaev (es.), Insects of Mongolia no. 9: 446-481. Nauka, Leningrad. [In Russian].

Pesenko, Yu. A. 1985. Systematics of the bees of the genus Halictus Latreille (Hymenoptera, Halictidae) with a description of the 7th and 8th metasomal sterna of males: Subgenus Monilapis. In Y.A. Pesenko (ed.),  News of Insect Systematics: Hymenoptera. Trudy Zoologicheskova Instituta, Akademii nauk SSSR 132: 77-105. [In Russian].

Pesenko, Yu. A. 1986a.   An annotated key to females of the palaearctic species of the genus Lasioglossum s.str. (Hymenoptera, Halictidae), with descriptions of new subgenera and species. In Y.A. Pesenko (ed.), Systematics of Hymenopterous Insects. Trudy Zoologicheskova Instituta, Akademii nauk SSSR 159: 113-151. [In Russian].

Pesenko, Yu. A. 1986b.  Systematics of the bees of the genus Halictus Latreille (Hymenoptera, Halictidae) with description of the 7th and 8th metasomal sterna of males: Subgenus Tytthalictus Pesenko.  Entomologicheskoe Obozrenie 65: 618-632 [In Russian].

Pesenko, Yu. A. 1993.  A new halictine bee of the tribe Nomioidini from Madagascar.  Journal of the Kansas Entomological Society 66: 1-5.

Pesenko, Yu. A. 1996.  Madagascan bees of the tribe Nomioidini. Entomofauna 17: 493-516.

Pesenko, Yu. A. 2000a. Phylogeny and classification of the family Halictidae revised (Hymenoptera: Apoidea). Journal of the Kansas Entomological Society 72: 104-123.

Pesenko, Yu. A. 2000b. Phylogeny and classification of bees of the tribe Nomioidini (Hymenoptera, Halictidae). Entomolo-gicheskoe Obozrenie 79(1): 210-226.

Pesenko, Yu. A., J. Banaszak & T. Cierzniak, 2002. Part XXIV. Bees and wasps - Hymenoptera. Issue 68b. Bees - Apidae. Subfamily Halictinae. Klucze do Oznaczania Owadow Polski No. 164: Pp.110.

Pesenko, Yu. A., J. Banaszek, V. G. Radchenko & T. Cierzniak, 2000. Bees of the Family Halictidae (Excluding Sphecodes) of Poland: Taxonomy, Ecology, Bionomics.  Pedagogical Univer., Bydgoszcz.

Pesenko, Yu. A. & I. M. Kerzhner,  1981.  Nomioides Schenck, 1866: proposed designation of type species.  Bulletin of Zoological Nomenclature 38(3): 225-227.

Pesenko, Yu. A., A. S. Lelej, V. G. Redchenko & G. N. Filatkin, 1990. The Chinese wax bee Apis cerana cerana F. (Hymenoptera, Apidae) in the Soviet Far East. Entomol. Obozer. 3: 527-548. [In Russian.]. [English summary in Entomological Review 69(3): 21-41.].

Pesenko,  Yu.  A.,  V.  G.  Radchenko  &  M.  S.  Kaygorodova,   1979.               Ecology of pollination in Strigosella grandiflora and Erysimun badghysi (Brassicaceae) by bees (Hymenoptera, Apoidea) in Badkhyz: estimation of the pressure of competitive relationships. Entomol. Obozer. 59: 58-73. [In Russian.]. [English translation in Entomological Review 59(4): 58-73. 1980.].

Pesenko, Yu. A. & A. A. Sitdikov, 1988.  Classification and phylogenetic relations of the genera of tribe Eucerini (Hymenoptera, Anthophoridae) with two submarginal cells. Entomologicheskoe Obozrenie 67: 846-860 [In Russian; English translation in Entomological Review 69: 88-104 (1990)].

Pesenko, Yu. A. & Wu Yan-ru, 1997. Chinese bees of the genus PachyhalictusZoosystematica Rossica 6: 287-296.

Pesotskaya, E. A. 1929.  The role of the glandular apparatus in the instinctive activity of bees.  Trudy Leningradskogo Obshchestva Estestvoispytatelei 59(2): 21-44.

Pessotti, I. & M. J. C. Gomes, 1981. Learning in bees. III. Discrimination with three types of visual stimuli Melipona quadrifasciata anthidioides, Melipona rufiventris, Apis mellifera adansonii. [Aprendizagem em abelhas. III. Discriminacao com tres tipos de estimulos visuais].  Rev. Bras. Biol. 41(3): 667-672.

Petanidou, T., W. N. Ellis & A. C. Ellis-Adam, 1995. Ecogeographical patterns in the incidence of brood parasitism in bees.  Biological Journal of the Linnean Society [London] 55: 261-272.

Petanidou, T. & D. Vokov, 1990. Pollination and pollen energetics in Mediterranean ecosystems. American Journal of Botany 77(8): 986-993. 

Petenatti, E. M. & L. A. del Vitta, 1991. Morphology and ontogeny of the anthers of Solanum elaeagnifolium (Solanaceae) and related species and their possible relationship with insect visitors.  Kurtziana 21: 195-204.

Peters, D. S. 1969. Phänokopierende Missbildungen des Flügelgeäders bei akuleaten Hymenopteren.  Deutsche Entomologische Zeitschrift (n.f.) 16: 367-374.

Peters, D. S. 1970a.  Pseudoheriades n.gen., Afroheriades n.subgen., Pseudoheriades primus n.sp., neue formen aus der Familie Megachilidae.  Entomologische Zeitschrift 80(16): 153-160.

Peters, D. S. 1970b.  Die synonime von Osmia robusta (Nylander, 1848) und Osmia forsii Alfken, 1924 (Insecta: Hymenoptera: Apoidea: Megachilidae). Senckenbergiana Biologica 51: 193-197.

Peters, D. S. 1970c.  Die Stellung von Heriadopsis Cockerell 1931.  Senckenbergiana Biologica 51: 199-203.

Peters, D. S. 1970d. Über den Zusammenhang von biologischem Artbegriff und phylogenetischer Systematik. Aufs. Reden senckenb. Naturforsch. Ges. W. Kramer, Frankfurt am Main 18: 1-39.

Peters, D. S. 1972a.  Drei neue Arten der Megachilidae aus Mexico.  Senckenbergiana Biologica 53: 373-382.

Peters, D. S. 1972b. Über die Stellung von Aspidosmia Brauns 1926 nebst allgemeinen Erörterungen der phylogenetischen systematik der Megachilidae (Insecta, Hymenoptera, Apoidea).  Apidologie 3(2): 167-186.

Peters, D. S. 1972c. Das problem konvergent entstandener strukturen in der anagenetischen und genealogischen systematik. Z. Zool. System. Evolutionsforsch, Hamburg 10(3): 161-173.

Peters, D. S. 1974a. Über die Untergattung Haetosmia Popov 1952.  Senckenbergiana Biologica 55: 293-309.

Peters, D. S. 1974b. Über schwierigkeiten der phylogenetischen rekonstruktion – erläutert am beispiel einiger mauerbienen. Natur Mus., Frankfurt 104: 219-226.

Peters, D. S. 1976a. Evolutionstheorie und “Merkmalswahl”. Aufs. Reden senckenb. Naturforsch. Ges., Frankfurt am Main 28: 141-146.

Peters, D. S. 1976b. Evolutionsfaktoren und phylogenetische Rekonstruktion. Aufs. Reden senckenb. Naturforsch. Ges., Frankfurt am Main 28: 192-199.

Peters, D. S. 1978a. Archeriades gen.n., eine verhältnismässig ursprüngliche Gattung der Megachilidae.  Entomologica Germanica 4(3/4): 337-343.

Peters, D. S. 1978b.  Systematik und Zoogeographie der westpaläarktischen Arten von Osmia Panzer 1806 s.str., Monosmia Tkalcu 1974 und Orientosmia n.subgen. Senceknbergiana Biologica 58: 287-346.

Peters, D. S. 1983. Einige von H. Priesner am Gebel Elba gesammelte Megachilidae sowie eine neue Art der Gattung Heriades aus Sudafrika.  Linzer Biologische Beiträge 14: 95-109.

Peters, D. S. 1984.  Revision der von H. Brauns beschriebenen oder behandelten afrikanischen Heriades-und Osmia-Arten.  Entomofauna 5: 359-387.

Peters, J. M.,  D. C. Queller, V. L. Imperatriz-Fonseca, D. W. Roubik & J. E. Strassmann, 1999. Mate number, kin selection and social conflicts in stingless bees and honeybees.  Proceedings of the Royal Society of London, London 266: 379-384.

Peters, G. 1972. Ursachen für den Rückgang der seltenen heimishchen Hummelarten (Hym., Bombus et Psithyrus). Entomologische Berichte 1972: 85-90.

Petersen, S. 2005. The interesting story behind the bee-marking flower. American bee journal 145(10): 831-832.

Petersen, S. & S. Piyapichat, 2000. Thailand's wild honey market. American Bee Journal 140(3): 219-221.

Peterson, A., I. V. Bartish & J. Peterson, 2008. Effects of population size on genetic diversity, fitness and pollinator community composition in fragmented populations of Anthericum liliago L. Plant ecology 198(1): 101-110. [Electronic Resource: http://dx.doi.org/10.1007/s11258-007-9388-4].

Peterson, H. L. 1954.  Pollination and seed setting in lucerne. Kgl. Venthojsk. Aarsskr.  1954: 138-169.

Peterson, M.  1985.  African honeybees in East and West Africa, and Africanized honeybees in Venezuela: some observations on behaviour.        Proceedings of the Third International Conference on Apiculture in Tropical Climates, Nairobi, Kenya. [5-9 Nov. 1984].  The International Bee Research Association : 109-111.

Peterson, S. S., C. R. Baird & R. M. Bitner, 1991. Variation in weight and postdiapause development among groups of alfalfa leafcutting bees, Megachile rotundata (F.), reared in different locations. Bee Science 1: 230-236.

Peterson, S. S., C. R. Baird & R. M. Bitner, 1992. Current status of the alfalfa leafcutting bee, Megachile rotundata, as a pollinator of alfalfa seed. Bee Science 3: 135-142.

Petkov, V & V. Papov, 1967a. Oprašyvanie na ovoščnite dreveta ot pčelite. Pčelarsvo 4: 18-20.

Petkov, V & V. Papov, 1967b. Vrchu efektivnosta ot pčelooprašvaneto pri jablkata. Gradinarska i Lozarska Nauka 7: 11-21.

Petrov, D. 1975. Genetics of the wing-hook apparatus of honey bees. Doklady. No. 211: 195-202.

Petrov, P. 2000a. Biology of drones of Bulgarian honey bee (Apis mellifica rodopica). IV. Migration of drones. Zhivotnov"dni Nauki 37(5/6): 90-92.

Petrov, P. 2000b. Biology of drones of Bulgarian honey bee (Apis mellifica rodopica). II. Life expectancy of drones. Zhivotnov"dni Nauki 37(5/6): 81-84.

Petrov, P. & S. Ianchev, 2000a. Biology of drones of Bulgarian honey bee (Apis mellifica rodopica). III. Dynamics and flight duration of drones. Zhivotnov"dni Nauki 37(5/6): 85-89.

Petrov, P. & S. Ianchev, 2000b. Biology of drones of Bulgarian honey bee Apis mellificia rodopica. I. Drone brood in the annual cycle of the bee family. Zhivotnov"dni Nauki 37(4): 115-118.

Pettersson, B. 1989. Pollination in the African species of Nervilia (Orchidaceae). Lindleyana 4(1): 33-41.

Pettis, J. S. 2004. A scientific note on Varroa destructor resistance to coumaphos in the United States. Apidologie 35(1): 91-92.

Pettis, J. S., A. M. Collins, R. Wilbanks & M. Feldlaufer, 2006. Survival and function of queens reared in beeswax containing coumaphos. American bee journal 146(4): 341-344.

Pettis, J. [S.] & T. Pankiw, 1994. Grooming behavior by the honey bee and tracheal mite dispersal. American Bee Journal 134(12): 834-835.

Pettis, J. & T. Pankiw, 1998. Grooming behavior by Apis mellifera in the presence of Acarapis woodi. Apidologie 29: 223-235.

Pettis, J. S. & H. Shimanuki, 1999. A hive modification to reduce varroa populations. American Bee Journal  139(6): 471-473.

Pettis, J. S. & H. Shimanuki, 2000. Observations on the small hive beetle, Aethina tumida Murray, in the United States. American Bee Journal 140(2): 152-155.

Pettis, J. S., H. Shimanuki & M. F. Feldlaufer, 1998a.        Detecting fluvalinate-resistant varroa mites. American Bee Journal 138(7): 535-537.

Pettis, J. S., H. Shimanuki & M. F. Feldlaufer, 1998b.       An assay to detect fluvalinate resistance in varroa mites. American Bee Journal 138(7): 538-541.

Pettis, J. S., L. C. Westcott & M. L. Winston, 1998. Balling behaviour in the honey bee in response to exogenous queen mandibular gland pheromone. Journal of Apiculture Research 37(2): 125-131.  

Pettis, J. S., M. L. Winston, M. Malyon & K. N. Slessor, 1993. The use of honey bee queen mandibular gland pheromone in mating nuclei management. American Bee Journal 133(10): 725-727.

Pettis, J. S., M. L. Winston & K. N. Slessor, 1995. Behavior of queen and worker honey bees (Hymenoptera: Apidae) in response to exogenous queen mandibular gland pheromone. Annals of the Entomological Society of America 88(4): 580-588.

Petron, P.  1988.  Possibilities for employing some contrasting prarmeters in the study of the native honey bees in Bulgaria.  Zhivotnov’d Nauki 25(5): 87-91. [In Bulgarian with Russian and English summary.].

Petrov, P. 1992.  Distribution and phylogenesis of the bee genus Apis (Hymenoptera, Apidae). Usp. Sovrem. Biol., Moscow 112: 359-372. [In Russian.]

Petrujkic, T., Z. Jouvanovic & Z. Petrujkic,  1980.  The significance of bees in nature.  Vet. Glas.  34(6): 585-589. [In Serbo-Croatian with Russian and English summary.].

Phadke, K. G. & M. Naim, 1978.     The role of honeybees in seed production in relation to use of pesticides. Pesticides 12(9): 17-19.

Pham-Delegue, M. H., P. Etievant, E. Guichard, R. Marilleau, P. Douault, J. Chauffaille & C. Masson,  1990.             Chemicals involved in honeybee-sunflower relationship. Proceedings of an International Symposium: Semiochemicals and Pest Control--Prospects for New Applications, October 16-19, 1989, Wageningen, The Netherlands.  Journal of Chemical Ecology 16(11): 3053-3065.

Pham-Delegue, M. H.,  R. de Jong  & C. Masson,  1990.  Age dependency of the conditioned proboscis extension respone in honey bees. C. R. Acad. Sci. Ser. III. Sci. Vie. 310(11): 527-532. [In French with English summary.].

Pham-Delegue, M. H., M. Le Metayer, P. Devault & C. M. Cinracnrs, 1990. Age-related foraging behaviour in honey bees under artificial conditions. Apidologie 21(2): 107-114.

Pham-Delegue, M. H., A. L. Picard-Nizou, G. Arnold, R. Grison, A. Toppan, L. Olsen & C. Masson, 1992. Impact of genetically modified rapeseed on insect pollinators (Honey bees).  Pp.  209-217.  In:  R.  Casper  &   J.  Landsmann (eds.),  Proceedings of the 2nd International Symposium on the Biosafety Results of Field Tests of Genetically Modified Plants and Microorganisms : May 11-14, 1992, Goslar, Germany.

Pham-Delegue, M. H., B. Roger, R. Charles & C. Masson, 1990.  Olfactory pre-exposure affecting an orientation behaviour of honey bees (Apis mellifera L.) in a four-armed air flow olfactometer.  Insectes Sociaux 37(2): 181-187. [In French with English summary.]

Pharis, R. L. & J. Unrau,  1953. Seed setting of alfalfa flowers tripped by bees and mechanical means. Canadian Journal of Agricultural Sciences 33: 74-83.

Phiancharoen, M., S. Wongsiri, N. Koeniger & G. Koeniger, 2004. Instrumental insemination of Apis mellifera queens with hetero- and conspecific spermatozoa results in different sperm survival.  Apidologie 35: 503-511.

Philipp, M. & T. Hansen, 2000. The influence of plant and corolla size on pollen deposition and seed set in Geranium sanguineum (Geraniaceae). Nordic Journal of Botany 20(2): 129-140.

Philippi, R. A. 1866.  Einige Insekten von Chile.  Stettiner Entomologische Zeitung 27: 109-117, Taf. II.

Phillips, E. F. 1933.  Insects collected on apple blossoms in western New York.  Agric. Res. 46: 851-862.

Piana, M. L., L. P. Oddo, A. Bentabol, E. Bruneau, S. Bogdanov & C. G. Declerck, 2004. Sensory analysis applied to honey: state of the art. Apidologie 35: 26-37.

Pianaro, A., A. Flach, E. F. L. R. A. Patricio, P. Nogueira-Neto, Paulo Marsaioli, & J. Anita, 2007. Chemical changes associated with the invasion of a Melipona scutellaris colony by Melipona rufiventris Workers. Journal of chemical ecology 33(5): 971-984. [ER: http://dx.doi.org/10.1007/s10886-007-9274-5].

Piazza, M. G., F. Intoppa & A. Carini, 2001. Activity of Bombus colonies in a submontain environment of Molise region. Bollettino di Zoologia Agraria e di Bachicoltura 33(2): 103-113.

Piazza, M. G. & E. Marinelli, 2000. Investigation on the presence in Latium of Senotainia tricuspis Meigen) (Diptera, Sarcophagidae), endoparasitoid of Apis mellifera L. Redia 83: 111-122.

Piazza, M. G. & L. P. Oddo, 2004. Bibliographical review of the main European unifloral honeys. Apidologie 35: 94-111.

Picard-Nizou, A. L., M. H. Pham-Delegue, V. Kerguelen, P. Douault, R. Marilleau, L. Olsen, R. Grison, A. Toppan & C. Masson, 1995.             Foraging behaviour of honey bees (Apis mellifera  L.)   on   transgenic  oilseed   rape  (Brassica  napus  L.  var.  oleifera). Transgenic Research 4(4): 270-276.

Piccini, C. & P. Zunino, 2001. American foulbrood in Uruguay: isolation of Paenibacillus larvae larvae from larvae with clinical symptoms and adult honeybees and susceptibility to oxytetracycline. Journal of Invertebrate Pathology 78(3): 176-177.

Piccirillo, G. A. & D. Jong de, 2004. Old honey bee brood combs are more infested by the mite Varroa destructor than are new brood combs. Apidologie 35: 359-364.

Pick, R. A. & B. Blochtein, 2002. Collection activities and floral origin of the stored pollen in colonies of Plebeia saiqui (Holmberg) (Hymenoptera, Apidae, Meliponinae) in south Brazil. Revista Brasileira de Zoologia 19(1): 289-300.

Pick, R. A. & B. Blochtein, 2002. Flight activities of Plebeia saiqui (Holmberg) (Hymenoptera, Apidae, Meliponini) during the oviposition period and the diapause. Revista Brasileira de Zoologia 19(3): 827-839.

Pickard, R. S. & A. A. M. El-Shemy,  1989.  Seasonal variations in the infection of honey bee colonies with Nosema apis zander.  Journal of Apicultural Research 28(2): 93-100.

Pickett, J. A., I. H. Williams & A. P. Martin, 1982. (Z)-11-eicosen-1-ol, an important new pheromonal component from the sting of the honeybee, Apis mellifera L. (Hymenoptera, Apidae.). Journal of Chemical Ecology 8(1): 163-175.

Pickett, J. A., I. H. Williams, A. P. Martin & M. C. Smith, 1980. Nasonov pheromone of the honeybee, Apis mellifera L. (Hymenoptera: Apidae). I. Chemical characterization. Journal of Chemical Ecology 6(2): 425-434.

Pickett, J. A., I. H. Williams, M. C. Smith & A. P. Martin, 1981. Nasonov pheromone of the honey bee, Apis mellifera L. (Hymenoptera, Apidae). III. Regulation of pheromone composition and production. Journal of Chemical Ecology 7(3): 543-554.

Piek, T. 1993. New neurotoxins from venom of aculeate Hymenoptera: a contribution to the knowledge of stinging behavior. Journal of Hymenoptera Research 2: 101-105.

Pidek, A. & P. Brzozowski, 2000. Real and potential possibilities of orchard pollination by bees. Journal of Fruit and Ornamental Plant Research 8(2): 51-58.

Piel, O. 1930. Nidification de Megachile monticola Smith, chez Xylocopa rufipes Sm. [♀], pictifrons Sm. [♂].  Notes d’Entomologie Chinoise, Musée Heude, fasc. 5: 108, 2 pls.

Pierce, A. L., L. A. Lewis & S. S. Schneider, 2007. The Use of the Vibration Signal and Worker Piping to Influence Queen Behavior during Swarming in Honey Bees, Apis mellifera. Ethology 113(3): 267-275.[Electronic Resource: http://dx.doi.org/10.1111/j.1439-0310.2006.01314.x].

Pierce, W. D. & J. Gibron, 1962. Fossil arthropods of California. 24. Some unusual fossil arthropods from the Calico Mountains nodules. Bull. S. Calif. Acad. Sci. 61: 143-151.

Pierre, J. 2001. The role of honeybees (Apis mellifera) and other insect pollinators in gene flow between oilseed rape (Brassica napus) and wild radish (Raphanus raphanistrum). Acta Horticulturae No. 561: 47-51.

Pierre, J., J. Mesquida, M. Renard & P. Vallee, 1999. Study of designs of alternate strips for the production of hybrid seeds of semi-dwarf rape in the presence of bees. OCL - Oleagineux, Corps Gras, Lipides 6(4): 343-348.

Pierre, J., M. J. Suso, M. T. Moreno, R. Esnault & J. le Guen, 1999. Diversity and efficiency of the pollinating entomofauna (Hymenoptera: Apidae) of faba bean (Vicia faba L.) in two locations in France and Spain. Annales de la Societe Entomologique de France 35(Supp.): 312-318.

Pietrobon, T. A. O. & F. H. Caetano, 2003. Ultramorphology and histology of the ectal mandibular gland in Polistes versicolor (Olivier) (Hymenoptera: Vespidae). Cytologia 68(1): 89-94.

Pignata, M. I. B. & J. A. F. Diniz-Filho, 1996. Phylogenetic autocorrelation and evolutionary constraints in worker body size of some neotropical stingless bees (Hymenoptera: Apidae).  Heredity 76(Pt.3): 222-228.

Pijl, L. van der, 1954.  Xylocopa and flowers in the tropics I.  Proc. Akad. West. Amsterdam 57: 413-423.

Pijl, L. van der. 1960.  Ecological aspects of flower evolution.  I. Phyletic evolution.  Evolution 14: 403-416.

Pijl, L. van der. 1961. Ecological aspects of flower evolution. II.  Zooophilous flower classes.  Evolution 15: 44-59.

Pimentel, D. & A. G. Wheeler Jr., 1973. Species and diversity of arthropods in the alfalfa community.  Environ. Entomol. 2: 659-668.

Pimentel de Carvalho, A. C. & D. Message, 2004. A scientific note on the toxic pollen of Stryphnodendron polyphyllum (Fabaceae, Mimosoideae) which causes sacbrood-like symptoms. Apidologie 35(1): 89-90.

Pimentel, M. R. C., Y. Antonini, R. P. Martins, M. A. Lachance & C. A. Rosa, 2005. Candida riodocensis and Candida cellae, two new yeast species from the Starmerella clade associated with solitary bees in the Atlantic rain forest of Brazil. [Electronic Resource: http://www.sciencedirect.com/science/journal/15671356]. FEMS yeast research 5(9): 875-879. 

Ping, C. 1928.  Cretaceous fossil insects of China.  Palaeontol. Sinica Ser. B. 13(1): 1-56.

Pinnock, D. E. & N. E. Featherstone,  1984. Detection and quantification of Melissococcus pluton infection in honeybee colonies by means of enzyme-linked immunosorbent assay. Journal of Apicultural Research 23: 168-170.

Pino, J. A., R. Marbot, A. Delgado, C. Zumarraga & E. Sauri, 2006. Volatile constituents of propolis from honey bees and stingless bees from Yucatan. Journal of essential oil research : JEOR 18(1): 53-56.

Pinto, J. D. & S. I. Frommer, 1980.  A survey of the arthropods of jojoba (Simmondsia chinensis).  Environmental Entomology 9(1): 137-143.

Pinto, L. Z., M. M. G. Bitondi & Z. L. P. Simoes, 2000. Inhibition of vitellogenin synthesis in Apis mellifera workers by a juvenile hormone analogue, pyriproxyfen. Journal of Insect Physiology 46(2): 153-160.

Pinto, L. Z., K. Hartfelder, M. M. G. Bitondi & Z. L. P. Simoes, 2002. Ecdysteroid titers in pupae of highly social bees relate to distinct modes of caste development. Journal of Insect Physiology 48(8): 783-790.

Pinto, M. A., W. S. Sheppard, J. S. Johnston, W. L. Rubink, R. N. Coulson, N. M. Schiff, I. Kandemir & J. C. Patton, 2007. Honeybees (Hymenoptera: Apidae) of African origin exist in non-Africanized areas of the southern United States: Evidence from Mitochondrial DNA. Annals of the Entomological Society of America 100(2): 289-295. [ER:http://hdl.handle.net/10113/2313; http://dx.doi.org/10.1603/0013-8746(2007)100[289:HBHAOA]2.0.CO;2].

Piper, C. V., M. W. Evans, R. Mckee & W. J. Morse, 1914. Alfalfa seed production; pollination studies. Bulletin of United States Department of Agriculture No. 75: 1-32.

Pirez, N. & W. M. Farina, 2004.Nectar-receiver behavior in relation to the reward rate experienced by foraging honeybees. Behavioral Ecology and Sociobiology 55(6): 574-583.

Pirk, C. W. W.,  H. R. Hepburn, S. E. Radloff  & J. Erlandsson, 2002. Defense posture in the dwarf honeybee, Apis florea. Apidologie 33(3): 289-294.

Pirk, C. W. W., P. Neumann & H. R. Hepburn, 2001. Environmental effects of worker policing in the honeybee (Apis mellifera L.)  Insectes Sociaux  [In press]. 

Pirk, C. W. W., P. Neumann & H. R. Hepburn, 2002. Egg laying and egg removal by workers in queenright Cape honeybee colonies (Apis mellifera capensis Esch.). Apidologie 33: 203-211.

Pirstinger, P. & H. F. Paulus, 1996. Congruences in pilosity between species of Ophrys (Orchidaceae) and the females of their hymenopteran pollinators (Apoidea). Proc. XX. Int. Congr. Entomol. Firence (Italy): 255.

Pisani, J. F., W. E. Kerr, B. Crestana, D. Aily & M. L. Lorenzetti, 1969. Study of interspecific structure of a group of species in genus Melipona (Apidae, Hymenoptera). Acad. Brasil. Cienc. An. 41(1): 95-107.  

Piton, L.-E. 1940.  Paléontologie du Gisement Éocène de Menat (Puy-de-Dôme) (Flore et Faune). Clermont-Ferrand: Vallier (thesis); Lechevalier, Paris vii+ 303 pp.

Piton, L.-E. & N. Theobald, 1935. La faune entomologique des gisements Mio-Pliocenes du Massif Central. Rev. Sci. Nat. Auvergne 1: 65-104.

Pittioni, B. 1937. Die Hummelfauna des Kalsbachtales in Ost-Tirol. Ein Beitrag zur Ökologie und Systematik der Hummeln Mitteleuropas. Festschrift zum 60. Geburtstag von Professor Dr. Embrik Strand 3: 64-127.

Pittioni, B. 1938. Die Hummeln und Schmarotzerhummeln der Balkan-Halbinsel. Mit besonderer Berücksichtigung der Fauna Bulgariens. I. Allgemeiner Teil. Izvestiya na Tsarskite prirodonauchni instituti v Sofiya 11: 12-69.

Pittioni, B. 1939a. Die Hummeln und Schmarotzerhummeln der Balkan-Halbinsel. II. Spezieller Teil. Izvestiya na Tsarskite prirodonauchni instituti v Sofiya 12: 4-115.

Pittioni, B. 1939b. Bombus (Agrobombus) bureschi sp. nov. (Hymenopt., Apidae), eine neue Hummelart von der Balkanhalbinsel und einige weitere interessante neue Hummelformen. Arbeiten der Bulgarischen Naturforschenden Gesellschaft 18: 1-10.

Pittioni, B. 1939c. Neue und wenig bekannte Hummeln der Paläarktis (Hymenopt., Apidae). Konowia 17(1938): 244-263.

Pittioni, B. 1939d. Tanguticobombus subg. nov. (Hymenopt., Apidae). Zoologischer Anzeiger 126: 201-205.

Pittioni, B. 1942. Die boreoalpinen Hummeln und Schmarotzerhummeln (Hymen., Apidae, Bombinae). I. Teil. Izvestiya na Tsarskite prirodonauchni instituti v Sofiya 15: 155-218.

Pittioni, B. 1943. Die boreoalpinen Hummeln und Schmarotzerhummeln (Hymen., Apidae, Bombinae). II. Teil. Izvestiya na Tsarskite prirodonauchni instituti v Sofiya 16: 1-77.

Pittioni, B. 1945.  Beiträge zur Kenntnis paläarktischer Apiden, I. Die Gruppe des Epeolus tarsalis Mor.  Zeitschrift der Wiener Entomologischen Gesellschaft 30: 128-147, pl. 6.

Pittioni, B. 1948a. Andrena (Andrenella) enslinella Stckht. Und ihre Verwandten. Annalen des Naturhistorischen Museums in Wien 56: 130-149.

Pittioni, B. 1948b.  Beiträge zur Kenntnis Italienischer Bienen. 1. Über einige Arten der Gattung Andrena Fabr.  Bollettino dell’Istituto de Entomologia della Università  di Bologna 17: 46-61.

Pittioni, B. 1949a. Beiträge zur Kenntnis der Bienenfauna SO-Chinas. Die Hummeln und Schmarotzerhummeln der Ausbeute J. Klapperich (1937/38). (Hym., Apoidea, Bombini). Eos 25: 241-284.

Pittioni, B. 1949b.  Stelis minima Schck., eine seltene und wenig bekannte schmarotzerbiene. Zeitschrift der Wiener Entomologischen Gesellschaft 60: 29-39.

Pittioni, B. 1950.  Die westpaläarktischen Arten der Gattung Spatulariella Pop. Bollettino della Società Veneziana di Storia Naturale 5: 76-113.

Pittioni, B. 1953a. Eine Bienenausbeute aus Apulien (Hym., Apoidea).  Memorie di Biogeografia Adriatica 2: 49-62.

Pittioni, B. 1953b.  Die Nomada-Arten der Alten Welt: Bestimmungstabelle der Männchen. Annalen des Naturhistorischen Museums in Wien 59: 223-291.

Pittioni, B. & R. Schmidt, 1942.  Die Bienen des südöftlichen Niederdonau, I. Apidae, Podaliriidae, Xylocopidae und Ceratinidae, Niederdonau.  Natur und Kultur, heft 19: 1-69, pls. I-VII.

Pitts-Singer, T. L., J. L. Hanula & J. L. Walker, 2002. Insect pollinators of three rare plants in a Florida longleaf pine forest. Florida Entomologist 85(2): 308-316.

Pitts-Singer, T. L. & R. R. James, 2005. Emergence success and sex ratio of commercial alfalfa leafcutting bees from the United States and Canada. Journal of economic entomology 98(6): 1785-1790.

Pitts-Singer, T. L. & R. R. James, 2008. Do weather conditions correlate with findings in failed, provision-filled nest cells of Megachile rotundata (Hymenoptera: Megachilidae) in Western North America. Journal of economic entomology 101(3): 674-685. [ER: http://hdl.handle.net/10113/17351 ; http://dx.doi.org/10.1603/0022-0493(2008)101[674:DWCCWF]2.0.CO;2]?

Plant, J. D. & H. F. Paulus,  1987.  Comparative morphology of the postmentum of bees (Hymenoptera: Apoidea) with special remarks on the evolution of the lorum.  Zeitschrift für Zoologische Systematik und Evolutions –forschung 25: 81-103.

Plant, J. & H. F. Paulus, 1988. Did eusocial behavior arise only once in the Apidae (Apoidea, Hym.) ?. - Proc. XVIII. Int. Congr. Entomol. Vancouver 1988: 91.

Planta-Reichennau, A. v. 1889. Ueber den futtersaft der Arbeîtsbienen. Jahresbericht der naturforschenden Gesellschaft Graubündens (Chur) [n.s.] 32: 55-63. [Food of worker honey bee].

Plateau, F. 1868.  On the production of the sexes in Bees.  Annals and Magazine of the Natural History (4)2: 252-255.

Plateaux-Quknu, C. 1973. Construction et evolution annuelle du nid d'Evylaeus calceatus Scopoli (Hym. Halictidae) avec quelques considerations sur la division du travail dans les Gattungen. Senckenb. Biol. 68: 59-148.

Plateaux-Quenu, C. 1974.  Behaviour of orphan societies of Evylaeus calceatus (Scop.) (Hymenoptera, Halictidae).  Insectes Sociaux 21(1): 5-12. [In French with English summary.].

Plateaux-Quénu, C., L. Plateaux & L. Packer, 1987. The biology of a bivoltine population of Evylaeus villosulus. p. 391. In: Proceedings of the International Congress of the International Union for the Study of Social Insects. Munich, 1987.

Plateaux-Quénu, C., L. Plateaux & L. Packer, 1989. Preadaptations to sociality in the bivoltine, solitary halictine Evylaeus villosulus. Insectes Sociaux 36: 245-263.

Plateaux-Quénu, C., L. Plateaux & L. Packer, 1998. A test of the mating limitation hypothesis in Evylaeus albipes, a primitively eusocial halictine bee. Journal of Insect Behavior 11: 119-128.

Plateaux-Quénu, C., L. Plateaux & L. Packer, 2000. Population-typical behavious are retained when eusocial and non-eusocial forms of Evylaeus albipes (F.) (Hymenoptera; Halictidae) are reared simultaneously in the laboratory. Insectes Sociaux 47: 263-270.

Plavsa, N., V. Jovanovic, I. Stojanov, O. Rackov & B. Jovanovic, 2002. Health problems in the quarantines and turnover of fish and honey bees in Vojvodina [Serbia&Montenegro]. Pp. 60-61. In Djuricic,-B. (Ed.). [Collection of reports and summaries from the symposium "4th Yugoslav epizootiological days", Mataruska Banja [Serbia&Montenegro], April 3-5, 2002]. Zbornik referata i kratkih sadrzaja simpozijuma "4. jugoslovenski epizootioloski dani", Mataruska Banja [Srbija&Crna Gora], 3-5. aprila 2002. godine. Beograd (Serbia and Montenegro). Veterinarska komora Srbije. [2002]. 269 p.

Pleasants, J. M. 1980. Competition for bumblebee pollinators in Rocky Mountain plant communities.  Ecology 6: 1444-1459.

Pleasants, J. M. 1981. Bumblebee responses to variation in nectar availability. Ecology 62: 1648-1661.

Plettner, E., G. W. Otis, P. D. C. Wimalaratne, M. L. Winston, K. N. Slessor, T. Pankiw & P. W. K. Punchihewa, 1997.   Species- and caste-determined mandibular gland signals in honeybees (Apis). Journal of Chemical Ecology 23(2): 363-377.  

Plettner, E., K. N. Slessor & M. L. Winston, 1998. Biosynthesis of mandibular acids in honey bees (Apis mellifera): de novo synthesis, route of fatty acid hydroxylation and caste selective beta-oxidation. Insect Biochemistry and Molecular Biology 28(1): 31-42.

Plettner, E., K. N. Slessor, M. L. Winston & J. E. Oliver, 1996.    Caste-selective pheromone biosynthesis in honeybees. Science 271(5257): 1851-1853.

Plettner, E.,  K. N. Slessor,  M. L. Winston,  G. E. Robinson  &  R. E. Page, 1993.  Mandibular gland components and ovarian development as measures of caste differentiation in the honey bee (Apis mellifera L.). Journal of Insect Physiology 39(3): 235-240.

Plettner, E., G. R. J. Sutherland, K. N. Slessor & M. L. Winston, 1995. Why not be a queen? Regioselectivity in mandibular secretions of honeybee castes. Journal of Chemical Ecology 21(7): 1017-1029.

Plowright, C. & N. Cantin-Plante, 1997. Choice of direction of flight paths between flowers by foraging bumble bees (Bombus). Canadian Entomologist 129(5): 915-925.

Plowright, C. M. S. 1997. Function and mechanism of mirror-image ambiguity in bumblebees. Animal Behaviour 53(6): 1295-1303.

Plowright, C. M. S., F. Landry, D. Church, J. Heyding, N. Dupuis-Roy, J. P. Thivierge & V. Simonds, 2001. A change in orientation: recognition of rotated patterns by bumble bees. Journal  of Insect Behavior 14(1): 113-127.

Plowright, R. C. & T. M. Laverty, 1984. The ecology and sociobiology of bumble bees. Annu. Rev. Entomol. 29: 175-199.

Plowright, C. M. S., C. E. O’Connell, L. J. Roberts & S. L. Reid, 1995. The use of proximal and distal cues in nest entrance recognition by bumble bees. Journal of Apicultural Research 34(2): 57-64.

Plowright, C. M. S. & R. C. Plowright, 1997. The advantage of short tongues in bumble bees (Bombus) - analyses of species distributions according to flower corolla depth, and of working speeds on white clover. Canadian Entomologist 129(1): 51-59.

Plowright, C. M. S. & R. C. Plowright, 1998. Floral use by two sympatric bumble bee species (Bombus terricola and Bombus ternarius): efficiency considerations. Canadian Entomologist 130(5): 595-601.

Plowright, C. M. S., R. C. Plowright & S. L. Reid, 1995.    "Home or away"? The effect of mode of action locomotion on consumption of sugar by bumble bees (Hymenoptera: Apidae). Canadian Journal of Zoology 73(4): 801-804.  

Plowright, C. M. S., R. C. Plowright & P. H. Williams, 1997. Replacement of Bombus muscorum by Bombus pascuorum in northern Britain?  Canadian Entomologist 129(6): 985-990.

Plowright, C. M. S., R. C. Plowright & P. H. Williams, 1997. Replacement of Bombus muscorum by Bombus pascuorum in northern Britain?  Canadian Entomologist 129(6): 985-990.

Plowright, C. M. S. & A. Silverman, 2000. Nectar and pollen foraging by bumble bees (Hymenoptera: Apidae): choice and tradeoffs. Canadian Entomologist 132(5): 677-679.

Plowright, R. C. 1977. Nest architecture and the biosystematics of bumble bees. Proceedings of the 8th International Congress of the International Union for the Study of Social Insects, Pp. 183-185.

Plowright, R. C. 1979. Social facilitation at the nest entrances of bumblebees and wasps. Insectes Sociaux 26(3): 223-231.

Plowright, R. C. & G. A. Fuller, 1988. The role of intruder behaviour in nestmate recognition by bumble bees (Hymenoptera: Apidae). Canadian Journal of Zoology 66(12): 2847-2851.

Plowright, R. C. & L. K. Hartling, 1981. Red clover pollination by bumble bees : a study of the dynamics of a plant-pollinator relationship. Journal of Applied Ecology 18(2): 639-647.

Plowright, R. C. & S. C. Jay, 1966.  Rearing bumble bee colonies in captivity.  Journal of Apicultural Research 5: 155-165.

Plowright, R. C. & S. C. Jay, 1977. On the size determination of bumble bee castes (Hymenoptera: Apidae).  Canadian Journal of Zoology 55(7): 1133-1138.  

Plowright, R. C. & T. M. Laverty, 1984. The ecology and sociobiology of bumble bees. Annual Review of Entomology 29: 175-199.

Plowright, R. C. & R. E. Owen, 1980. The evolutionary significance of bumble bee color patterns: a mimetic interpretation. Evolution 34(4): 622-637.

Plowright, R. C. & M. J. Pallett,  1978.  A morphometric study of the taxonomic status of Bombus sanderseni (Hymenoptera, Apidae).  Canadian Entomologist 110(6): 647-654.

Plowright, R. C. & M. J. Pallett, 1979. Worker-male conflict and inbreeding in bumble bees (Hymenoptera: Apidae). Canadian Entomologist 111(3): 289-294.

Plowright, R. C. & B. A. Pendrel, 1977. Larval growth in bumblebees (Hymenoptera: Apidae). Canadian Entomologist 109(7): 967-973.  

Plowright, R. C., B. A. Pendrel & I. A. McLaren, 1978. The impact of aerial fenitrothion spraying upon the population biology of bumble bees (Bombus Latr.: Hym.) in south western New Brunswick. Canadian Entomologist 110(11): 1145-1156.

Plowright, R. C. & C. M. S. Plowright, 1988. Elitism in social insects: a positive feedback model. Pp. 419-431. In: R. J. Jeanne (ed.), Interindividual Behavioral Variability in Social Insects.

Plowright, R. C. & C. M. S. Plowright, 1990.  The laying of male egg by bumble bee queens: An experimental reappraisal and a new hypothesis. Canadian Journal of Zoology 68(3): 493-497.

Plowright, R. C. & F. H. Rodd, 1980. The effect of aerial insecticide spraying on hymenopterous pollinators in New Brunswick. Canadian Entomologist 112(3): 259-269.

Plowright, R. C. & W. P. Stephen, 1973. A numerical taxonomic analysis of the evolutionary relationships of Bombus and Psithyrus (Apidae: Hymenoptera). Canadian Entomologist 105(5): 733-743.

Plowright, R. C. & W. P. Stephen, 1980. The taxonomic status of Bombus franklini (Hymenoptera: Apidae). Canadian Entomologist 112(5): 475-480.

Plowright, R. C., J. D. Thomson, L. P. Lefkovitch & C. M. S. Plowright, 1993. An experimental study of the effect of colony resource level manipulation on foraging for pollen by worker bumble bees (Hymenoptera: Apidae). Canadian Journal of Zoology 71(7): 1393-1396.

Plowright, R. C., J. D. Thomson & G. R. Thler, 1980. Pollen removal in Cypripedium acaule (Orchidaceae) in relation to aerial fenitrothion spraying in New Brunswick.  Canadian Entomologist 112(8): 765-769.

Pohl, F. & E. Rademacher, 2000. Medikamenteinsatz im Bienenvol. Deutsches Bienenjournal 5: 23-27.

Pohl, T. & L. L. Larkin,  2006.  A new species of Andrena (Hymenoptera: Andrenidae) from Mexico.  Journal of the Kansas Entomological Society 79(1): 104-109.

Poinar, G. O., Jr. 1994. Bees in fossilized resin.  Bee World 75: 71-77.

Poinar, G. O., Jr. (1998) 1999. Paleoeuglossa melissiflora gen. n., sp. n. (Euglossinae: Apidae), fossil orchid bees in Dominican amber. Journal of the Kansas Entomological Society 71(1): 29-34.

Poklukar, J. 2000. Effect of varroa infestation of freeze killed brood on the hygienic behaviour of Carniolan honey bee (Apis mellifera carnica) - results of field assay. Slovenian Veterinary Research 37(4): 233-240.

Poklukar, J. 2002. Fire blight and honey bees. Sodobno Kmetijstvo 35(9): 381-383.

Polaczek, B.,  P. Neumann, B. Schricker & R. F. A. Moritz, 2000. A new, simple method for rearing diploid drones in the honeybee (Apis mellifera L.). Apidologie 31(4): 525-530.

Polatli, M., H. M. Sonmez & O. Cildag, 2002. Respiratory symptoms and pulmonary function tests in beekeepers exposed to biomass smoke inhalation. Journal of Apicultural Research 41(3/4): 51-57.

Polhemus, M. & O. Park, 1951. Time factors in mating systems for honey bees. J. Econ. Ent. 44: 639-632.

Pollard, E., M. D. Hooper &  N. W. Moore, 1974. Hedges. London.

Pollet, D. K.  1989. Africanized honeybees.  Publ. La. Coop. Ext. Serv.  No. 2346,  2:00 PM.

Pollini, A. & P. P. Tazzari, 2002. Effects of various fenitrothion formulation on bees. Informatore Agrario 58(7): 71-74.

Polunin, O. &  M. Walters,  1985. A guide to the vegetation of Britain and Europe. Oxford.

Pomeroy, N. & R. C. Plowright, 1979. Larval ejection following CO2 narcosis of bumble bees (Hymenoptera: Apidae). Journal of the Kansas Entomological Society 52(1): 215-217.

Pomeroy, N. & R. C. Plowright, 1980.  Maintenance of bumble bee colonies in observation hives (Hymenoptera: Apidae).  Canadian Entomologist 112(3): 321-326.

Pomeroy, N. & R. C. Plowright, 1982. The relation between worker numbers and the production of males and queens in the bumble bee Bombus perplexus. Canadian Journal of Zoology 60(5): 954-957.

Poncini, L. F., L. Wimmer & G. F. S. Poncini, 1989.  A unusual honey colour resulting from bees factory wastes.  Journal of Apicultural Research 26(4): 255-260.

Ponikvar, M., J. Snajder & B. Sedej, 2005. Honey as a bioindicator for environmental pollution with SO2.  Apidologie 36(3): 403-410.

Ponomareva, A. A. 1960.  Bee pollination of leguminous plants in western Kopetdagh.  Trudy Zool. Inst. Akad. Nauk SSSR 27: 94-166.

Ponomareva, A. A. 1967.  Notes sur les espèces paléarctiques du genre Systropha III.  Polskie Pismo Entomologiczne 37: 677-698. [In Russian, french summary.]

Pontin, D. R., M. R. Wade, P. Kehrli & S. D. Wratten, 2006. Attractiveness of single and multiple species flower patches to beneficial insects in agroecosystems. Annals of applied biology 148(1): 39-47. [ER: http://dx.doi.org/10.1111/j.1744-7348.2005.00037.x].

Pontoh, J. & N. H. Low, 2002. Purification and characterization of beta-glucosidase from honey bees (Apis mellifera). Insect Biochemistry and Molecular Biology 32(6):679-690.

Poole, H. K. & S. Taber, 1969a.  A method in vitro storage of honey bee semen.  American Bee Journal 109(11): 420-421.

Poole, H. [K.] & S. Taber, 1969b. A methode of in vitro storage of honey bee semen. Journal of Heredity 41: 151-155.

Poole, H. & S. Taber, 1970.  In vitro preservation of honey bee semen enhanced by storage at 13-15°C. Annals of the Entomological Society of America 63(6): 1673-1674.

Poole, R. W. 1996. Nomina insecta nearctica [sic], a checklist of the insects of North America. Volume 2: Hymenoptera, Mecoptera, Megaloptera, Neuroptera, Rhaphidioptera, Trichoptera. 793 pp. Rockville, Maryland.

Poole, R. W. & P. Gentili (eds.) 1996. Nomina insecta nearctica. A checklist of the insects of North America. Volume 2: Hymenoptera, Mecoptera, Megaloptera, Neuroptera, Raphidioptera, Trichoptera. Entomological Information Services, Rockville, 793 pp.

Pooley, A. C. & C. D. Michener, 1969.  Observations on nests of stingless honeybees in Natal (Hymenoptera: Apidae). Journal of the Entomological Society of South Africa 32: 423-430.

Popov, V. B. 1927. New forms of the genus Psithyrus Lep. Konowia 6: 267-274.

Popov, V. B. 1930. Note on Agrobombus smithianus White (Hymenoptera, Bombidae). Russkoe Éntomologicheskoe Obozrênie 24: 95-99. [In Russian, English summary.]

Popov, V. B. 1931a. Zur Kenntnis der paläarktischen Schmarotzerhummeln (Psithyrus Lep.). Eos 7: 131-209.

Popov, V. B. 1931b. To the knowledge of the genera Pasites Jurine and Parammobatodes gen.nov. Ezhegodnik Zoologicheskovo Muzeya Akademii Nauk SSSR (Nuuaire du Musée Zoologique de l’Académie des Sciences de l’URSS) 32: 453-467. [In Russian, English summary].

Popov, V. B. 1932.  On the palearctic forms of the tribe Stelidini Roberts (Hymenoptera, Megachilidae). Trudy Instituta Zoologii, Akademii Nauk SSSR [Traveaux de l’Institut Zoologique de l’Académie des Sciences de l’URSS] 1: 375-414. [In Russian, English summary.]

Popov, V. B. 1933.  Notes on the parasitic bees allied to the genus Biastes Panzer.  Trudy Instituta Zoologii, Akademii Nauk SSSR [Traveaux de l’Institut Zoologique de l’Académie des Sciences de l’URSS] 2: 51-75. [In Russian, English summary.]

Popov, V. B. 1935a.  Beiträge zur Bienenfauna von Tadjikstan. Trudy Instituta Zoologii, Akademii Nauk SSSR, Tadzhikskoi Bazi no. 5: 351-408. [In Russian, German summary.]

Popov, V. B. 1935b.  Beiträg zur Kenntnis der paläarktischen Stelis-Arten (Hymenoptera, Apoidea).  Folia Zool. Hydrobiol. 7: 51-75.

Popov, V. B. 1936a.  A new bee of the genus Ctenoplectra Sm.  Proceedings of the Royal Entomological Society of London (B) 5: 78-80.

Popov, V. B. 1936b.  Toward knowledge of the genus Dioxys Lep. Trudy Instituta Zoologii, Akademii Nauk SSSR 3: 3-32. [In Russian.]

Popov, V. B. 1938. Notiz über die Gattung Chelynia Prov. Und einige Untergattungs gruppierungen der Gattung Stelis Panz.  Konowia 17: 36-41.

Popov, V. B. 1939a.  Family Fideliidae and morphological convergence among bees.  Comptes Rendus (Doklady) de l’Académie des Sciences de l’URSS  22: 640-643.

Popov, V. B. 1939b. Relationships of the genus Osiris F. Smith and its position in the system of bees. Comptes Rendus (Doklady) de l’Académie des Sciences de l’URSS (n.s.) 25: 163-166.

Popov, V. B. 1939c. Subgeneric groupings of genus Prosopis F. Comptes Rendus (Doklady) de l’Académie des Sciences de l’URSS (n.s.) 25: 167-170.

Popov, V. B. 1940.  A new genus of bees from Turkestan.  Trudy Zoologicheskova Instituta, Akademii Nauk SSSR 6: 53-60. [In Russian.]

Popov, V. B. 1941a.  Notes on Dianthidium sibericum (Eversm.) and a new species of Stelis Panz.  Entomologisk Tidskrift 62: 222-224.

Popov, V. B. 1941b.  Family Oxaeidae and processes of morphological reduction in bees. Comptes Rendus (Doklady) de l’Académie des Sciences de l’URSS (n.s.) 30: 82-85.

Popov, V. B. 1946a.  Notes on the nomenclature of the bees.  Proceedings of the Royal Entomological Society of London (B) 15: 106-109.

Popov, V. B. 1946b. On the morphological reduction in the male genitalis of bees (Hymenoptera, Apoidea). Zoologicheskii Zhurnal 24: 329-336. [In Russian.]

Popov, V. B. 1947a. Generic groupings of the subfamily Dioxynae [sic].  Entomologicheskoe Obozrenie 29: 84-92. [In Russian, English summary. Also in Revue d’Entomologie de l’USSR 29: 84-92 (1947).]

Popov, V. B. 1947b.  Zoogeographical character of some Palearctic species of the bee genus Xylocopa Latr. (Hymenoptera: Apoidea) and their interrelations with melittophilous plants.  Trudy Instituta Zoologii, Akademii Nauk SSSR 1: 29-52. [In Russian.]

Popov, V. B. 1949a.  The tribe Pararhophitini (Hymenoptera, Anthophorinae), an early Tertiary element of the contemporary fauna of the desert of central Asia and Egypt.  Doklady Akademii Nauk SSSR 66: 507-510. [In Russian.]

Popov, V. B. 1949b.  Notes on the bee fauna of Tadjikstan.  Trudy Zoologicheskova Instituta, Akademii Nauk SSSR 8: 688-699. [In Russian.]

Popov, V. B. 1949c. The subgenus Plastandrena Hedicke and its new species. Entomologicheskoe Obozrenie 30: 389-404. [In Russian.]

Popov, V. B. 1950a. Generic groupings of the mid-Asian bees of the subfamily Anthidiinae.  Doklady Akademii Nauk SSSR 70: 315-318. [In Russian.]

Popov, V. B. 1950b.  Concerning the genus Amegilla Friese.  Entomologicheskoe Obozrenie 31: 257-261. [In Russian.]

Popov, V. B. 1951a.  On species of Poecilomelitta Friese and Meliturgula Friese (Hymenoptera, Apoidea) from Arabia. Entomologicheskoe Obozrenie 31: 577-586. [In Russian.]

Popov, V. B. 1951b.  Geographical distribution and evolution of the bee genus Clisodon Patton.  Zoologicheskii Zhurnal 30: 243-252. [In Russian.]

Popov, V. B. 1951c.  The parasitic bee genus Ammobates Latr., I. Tribe Ammobatini and Pasitini, their size and taxonomic postion. Trudy Instituta Zoologii,, Akademii Nauk SSSR 9: 895-949. [In Russian.]

Popov, V. B. 1951d.  Bees. Pp.158-174. In: The Canyon of Condara. Izdatielstwo Akademii Nauk SSSR.

Popov, V. B. 1952a. Apidae pollinators of Chenopodiaceae. Zoologicheskii Zhurnal 31: 494-503. [In Russian.]

Popov, V. B. 1952b.  Bee fauna (Hymenoptera, Apoidea) of southwestern Turkmenii and its ecological significance. Trudy Zoologicheskova Instituta, Akademii Nauk SSSR 10: 61-117. [In Russian.]

Popov, V. B. 1953.  The reduction of the sting apparatus of Dioxynae [sic], a parasitic subfamily of bees. Trudy Zoologicheskova Instituta, Akademii Nauk SSSR 13: 337-351. [In Russian.]

Popov, V. B. 1954a. Geographic distribution and evolution of the bee subgenus Erythrosmia. Zoologicheskii Zhurnal 33: 443-451. [In Russian.]

Popov, V. B. 1954b. The bee fauna (Hymenoptera, Apoidea) of the eastern part of west Kazakhstan. Trudy Zoologicheskova Instituta, Akademii Nauk SSSR 16: 351-373. [In Russian.]

Popov, V. B. 1955a. A new subgenus of bees of the genus HeriadesEntomologicheskoe Obozrenie 34: 280-286. [In Russian.]

Popov, V. B. 1955b. On the parasitic genus Radoszkowskiana (Hymenoptera, Megachilidae) and its origins.  Zoologicheskii Zhurnal 34: 547-556. [In Russian.]

Popov, V. B. 1955c. Generic groupings of the palearctic Melectinae.  Trudy Zoologicheskova Instituta, Akademii Nauk SSSR 21: 321-334. [In Russian.]

Popov, V. B. 1956a.  New and little-known bees from central Asia. Entomologicheskoe Obozrenie 35: 159-171. [In Russian.]

Popov, V. B. 1956b. Bees, their relations to melittophilous plants and the problem of alfalfa pollination. Entomological Review 35: 582-598.

Popov, V. B. 1957a. On the genera Morawitzella, gen.nov., and Trilia Vach. Entomologicheskoe Obozrenie 36: 916-924. [In Russian.]

Popov, V. B. 1957b. New species and peculiarities of geographical distribution of the bees of the genus Eremaphanta Popov.  Zoologicheskii Zhurnal 36: 1704-1715. [In Russian.]

Popov, V. B. 1958a. On three subgenera of the genus Andrena. Trudy Vesoyuznovo Entomologicheskovo Obshchestva (Hoae Societatis Entomologicae unionis Soveticae) 46: 109-161 [In Russian].

Popov, V. B. 1958b. Peculiar features of correlated evolution of two genera of bees – Macropis and Epeoloides (Hymenoptera, Apoidea) and a plant genus Lysimachia (Primulaceae). Entomologicheskoe Obozrenie 37: 499-519. [In Russian.]

Popov, V. B. 1958c.  Zoogeographical peculiarities of central Asiatic species of the genus Halictoides. Doklady Akademii Nauk Tadzhikskoe SSR 1: 47-51. [In Russian.]

Popov, V. B. 1958d. Hymenoptera.  In: Fauna of USSR, V. Crimea, the Caucasus.  Academy Sciences of USSR: 100-115; 318-351.

Popov, V. B. 1959a. New species of the genera Dufourea and Halictoides from eastern Asia. Entomologicheskoe Obozrenie 38: 225-237. [In Russian.]

Popov, V. B. 1959b.  Halictus longirostris F. Mor. (Hymenoptera, Halictidae) as an oligolectic bee.  Zoologicheskii Zhurnal 38: 426-431. [In Russian, English summary].

Popov, V. B. 1960a.  New and little-known megachilid bees  (Hymenoptera) from middle Asia. Entomologicheskoe Obozrenie 39: 424-437. [In Russian.]

Popov, V. B. 1960b.  Formicapis Sladen – holarctic genus of bees. Zoologicheskii Zhurnal 39: 1044-1049. [In Russian, English summary].

Popov, V. B. 1960c. New and little-known species of bees (Hymenoptera, Apoidea) from Turkmenia. Trudy Zoologicheskova Instituta, Akademii Nauk SSSR 27: 247-263. [In Russian.]

Popov, V. B. 1960d.  The new mountain forms of the subgenus Liosmia (Hymenoptera) from middle Asia. Izvestiya Otdeleniya Sel’skochozyaistvennich i Biologicheskich Nauk 2: 73-78. [In Russian.]

Popov, V. B. 1961.  On the evolution of the bee-genera Protosmia Ducke and Chelostomopsis Cockerell.  Zoologicheskii Zhurnal 40: 359-371. [In Russian, English summary].

Popov, V. B. 1962a.  Bees of the subgenus MegalosmiaTrudy Instituta Zoologii, Akademii Nauk Kazakh SSR 18: 155-162. [In Russian].

Popov, V. B. 1962b.  New genera of bees from middle Asia.  Trudy Instituta Zoologii, Akademii Nauk SSSR 30: 291-309 [In Russian].

Popov, V. B. 1963.  A new genus of Megachilidae (Hymenoptera) from central Asia.  Zoologicheskii Zhurnal 42: 865-869 [In Russian, English summary].

Popov, V. B. 1964.  On the bee genera Trachusa Panzer and Trachusomimus, gen.n. Entomologicheskoe Obozrenie 43: 405-417. [In Russian; English translation in Entomological Review 43: 207-214].

Popov, V. B. 1967a.  The bees (Hymenoptera, Apoidea) of Iran. Trudy Zoologicheskova Instituta, Akademii Nauk SSSR 43: 184-216.

Popov, V. B. 1967b.  Bees (Hymenoptera, Apoidea) of the eastern part of west-Kazakhstan. Trudy Instituta Zoologii, Akademii Nauk Kazakh SSR: 351-373. [In Russian].

Popov, V. B. & D. Guiglia, 1936.  Note sopra i gen. Ctenoplectra Sm. e Macropis Panz.  Annali del Museo Civico di Storia Naturale di Genova 59: 275-288.

Popov, V. B. & A. A. Ponomareva, 1961.  Notes on the carpenter bee fauna of the Soviet Union. Entomologicheskoe Obozrenie 40: 393-404.

Popova, M.,  V. Bankova, A. Chimov & M. V. Silva, 2002. A scientific note on the high toxicity of propolis that comes from Myroxylon balsamum trees. Apidologie 33(1): 87+

Popova, M., V. Bankova, I. Tsvetkova, C. Naydenski & M. Vides Silva, 2001. The first glycosides isolated from propolis: diterpene rhamnosides. Zeitschrift fur Naturforschung, Section C, Biosciences 56(11/12): 1108-1111.

Popova, L. M.  1984.  [Nesting of the three bee species of the genus Anthophora Latr. (Hymenoptera, Anthophoridae).] In Yu. A. Pesenko [Ed.] Systematics and Ecology of Bees. Proceedings of the Leningrad Zoological Institute 128: 74-81. [In Russian].

Popova, L. M.  1990. Nesting habits of some species of anthophorid bees (Hymenoptera, Anthophoridae) in the middle Volga region.  Entomologicheskoe Obozrenie 69: 81-93. [In Russian; English translation in Entomological Review 69: 81-93.]

Popova, V. P. 1968.  Insects associated with lucerne. 1-151 pp. Sofia, Izdat. Bulgar. Akad. Nauk. Inst. Zashch. Rast. Kostinbrod.

Popovic, R., M. Radulovic & N. Micic, 1999. The effect of pollination mode on average fruit mass and yields in some kiwifruit (A. chinensis Pl.) cultivars. Jugoslovensko Vocarstvo 33(1/2): 85-89.

Popovic, S. & A. Antic, 2004. Beograd (Serbia and Montenegro). S. Popovic. 2004. 221 p. (In Serbian).

Porceddu, E., L. M. Monti, L. Frusciante & M. Volpe, 1980.  Analysis of cross pollination in Vicia faba L.  Z. Pflanzenzüchtg. 84: 313-322.

Porrini, C., L. Monaco & P. Medrzycki, 2000. Evaluation of mortality of Apis mellifera L. (Hymenoptera Apidae) in biomonitoring of pesticides: comparison of structure and perspectives. Bollettino dell'Istituto di Entomologia `Guido Grandi' della Universita degli Studi di Bologna 54: 101-112.

Porteous, H. 1975. Killer bees - are they headed this way? Calif. Farmer Cent. Ed., Nov. 15, 1975, 243(8): 7, 38.

Porter, J. C. 1951. Notes on the digger-bee, Anthophora occidentalis, and its inquilines.  Journal of Science, Iowa State College 26: 23-30.

Portnoi, L. & A. Horovitz, 1977. Sugars in natural and artificial pollen germination substates. Annals of Botany  41(171): 21-27.

Portugal-Araujo, V. 1958.  A contribution to the bionomics of Lestrimelitta cubicepsJournal of the Kansas Entomological Society 31: 203-211.

Portugal‑Araújo, V., E. Amaral, J. M. F. Camargo & V. C. Paixão, 1979. Dictionary of Beekeeping terms with allied scientific terms. [Giving translation from and into English‑Portuguese]. Edited by Eva Crane, Bee Research Association Limited, London. Vol. 8, Apimondia Publishing House, Bucharest, 252 pp.

Posern, H.  1990.  von Brazilian Apimondia '89-- impressions of a participant. I. American Bee Journal 130(5): 311-314.

Posey, D. A. & J. M. F. de Camargo,  1985.  Additional notes on the classification and knowledge of stingless bees by the Kayapó indians of Gorotire, Pará, Brazil.  Annals of the Carnegie Museum 54: 247-274.

Post, D. C., R. E. Page Jr. & E. H. Erickson, 1987. Honeybee (Apis mellifera L.) queen feces: source of a pheromone that repels worker bees. Journal of Chemical Ecology 13(3): 583-591.

Potgieter, C. J., T. J. Edwards, R. M. Miller & J. van Staden, 1999. Pollination of seven Plectranthus spp. (Lamiaceae) in southern Natal, South Africa. Plant Systematics and Evolution 218(1/2): 99-112.

Potter, A.  1977.  The killer bees.  Grosset & Dunlap, New York. 159 p.

Potthoff, M., J. Dyckmans, H. Flessa, A. Muhs, F. Beese & R. G. Joergensen, 2005. Dynamics of maize (Zea mays L.) leaf straw mineralization as affected by the presence of soil and the availability of nitrogen. Soil biology & biochemistry 37(7): 1259-1266.      

Potts, S. G., A. Dafni & G. Ne’eman, 2001. Pollination of a core flowering shrub species in Mediterranean phrygana: variation in pollinator diversity, abundance and effectiveness in response to fire. Oikos 92: 71-80.

Potts S. G., B. Vulliamy, A. Dafni, G. Ne'eman, C. O’Toole, S. Roberts & P. Willmer, 2002. Response of plant-pollinator communities following fire: changes in diversity, abundance and floral reward structure. Oikos 101(1): 103-112.

Potts, S. G., B. Vulliamy, A. Dafni, G. Ne'-eman & P. Willmer, 2003. Linking bees and flowers: how do floral communities structure pollinator communities? Ecology 84(10): 2628-2642.

Potts,  S. G. & P. G. Willmer, 1997. Abiotic and biotic factors influencing nest-site selection by Halictus rubicundus, a ground nesting halictine bee. Ecological Entomology 22: 319-328.

Potts S. G. & P. G. Willmer, 1998. Compact housing in built-up areas: spatial positioning of nests in aggregations of a ground-nesting bee. Ecological Entomology 23: 427-432.

Potts, S. G., P. Willmer, A. Dafni & G. Ne’eman, 2001. The Utility of fundamental ecological research of plant-pollinator interactions as the basis for landscape management practices. The 8th International Pollination Symposium, Mosonmagyarovar, Hungary 2000. Acta Hortoculturae No. 561: 141-152.

Poulet, J. F. A. & B. Hedwig, 2005. Auditory orientation in crickets: pattern recognition controls reactive steering. Proceedings of the National Academy of Sciences of the United States of America 102(43): 15665-15669.

Poulsen, M. H. 1975.  Pollination, seed setting, cross-pollination and inbreeding in Vicia faba L. Z. Pflanzenzüchtg. 74: 97-118.

Poulton, E. B. 1923.  Notes on insects visiting the common primrose.  Proceedings of the Entomological Society of London 1922-23: lxxxiv-lxxxvi.

Powell, A. H. & G. V. N. Powell, 1987. Population dynamics of male euglossine bees in amazonian forest fragments. Biotropica 19: 176-179.

Powers, P.  1987. After seeing Africanized honey bees in Venezuela in 1986.  American Bee Journal 127(8): 574-575.

Pozdnyakov, V. N., O. S. Chudinov, A. B. Abramova, V. T. Kolpakov, & R. B. Kozin, 2001. Optimization of the methods of separating DNA from a honey bee. Russian Agricultural Sciences No.4: 58-61.

Pradin, L., N. Dainese, B. Girardi, O. Damolin, R. Piro & F. Mutinelli, 2001. A scientific note on long-term stability of a home made oxalic acid water sugar solution for controlling varrosis. Apidologie 32(5): 451-452.

Pragh, J. P. van.  1980.  Possible effects of nontoxic pesticides for bees on pollination behaviour of honey bee (Apis mellifera). Garten Bauwissenschaft. 45(6): 252-254. [In German with French, Russian & English summary.].

Pragh, J. P. van. & H. H. W. Velthus,  1971.  Is the Lux an appropriate measure of brightness in bee flight room ?  Bee World 52(1): 25-26.

Pratt, S. C. 2004. Collective control of the timing and type of comb construction by honey bees (Apis mellifera). Apidologie 35: 193-205.

Praz, C. J., A. Müller & S. Dorn, 2008. Specialized bees fail to develop on non-host pollen: do plants chemically protect their pollen? Ecology 89(3): 795-804.

Preisner, E. 1981.  Beobachtungen zur nistbiologie der Alpen-Mauerbiene Osmia inermis Zett. (Hym., Apoidea, Megachilidae). Carinthia II 171/91: 349-356.

Prentice, M. 1991.  Morphological analysis of the tribes of Apidae.  In D.R. Smith (ed.), Diversity in the Genus Apis.  Pp. 51-69. Westview Press, Boulder, Colorado.

Prest, D. B., M. Gilliam, S. Taber & J. P. Mills, 1974. Fungi associated with discolored honey bee, Apis mellifera, larvae and pupae. Journal of Invertebrate Pathology 24(2): 253-255.

Pretorius, G. F.  1980. Observations on swarm clusters of honeybees during swarming (Apis mellifera adansonii). South African Bee Journal 52(5): 14-16.

Pridal, A. 1999. Bee species Colletes inexpectatus Noskiewicz, 1936 - species revocata (Hymenoptera: Colletidae). Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 47(1): 55-60.

Pridal, A. 2001. Microorganisms in dead bumble bee larvae (Bombus spp.) from laboratory-reared colonies. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 49(5): 41-47.

Pridal, A. 2002. Annotated check-list of the bees from the Czech Republic and Slovakia – 1st. part (Hymenoptera: Apoidea, Colletidae). Sbornik přirodovĕdného klubu v Uh. Hradišti 6: 138-163.

Pridal, A. 2004. Checklist of the bees in the Czech Republic and Slovakia with comments on their distribution and taxonomy (Insecta: Hymenoptera: Apoidea). Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis (Czech Republic) 52(1): 29-65.

Prier, K. R. S., B. Lighthart & J. J. Bromenshenk, 2001. Adsorption model of aerosolized bacterial spores (Bacillus subtilis variety niger) onto free-flying honey bees (Hymenoptera: Apidae) and its validation. Environmental Entomology 30(6): 1188-1194.

Priesner, H. 1957.  A review of the Anthophora species of Egypt.  Bulletin de la Société Entomologique d’Egypte 41: 1-115.

Priore, R. 1977. Collection of Apoidea (Hymenoptera) of the Institute of Agricultural Entomology of Portici. Bollettino Laboratorio di Entomologia Agraria (Portici) 34: 204-216. [In Italian].

Priore, R. 1979. Collection of Apoidea (Hymenoptera) of the Agrarian Entomological Institute of Portici. II. Halictus Latr. Bollettino del Laboratorio di entomologia agraria “Filippo Silvestri” Portici - Istituto superiore agrario 36: 55-80. [In Italian].

Priore, R. 1981. The collection of Apoidea (Hymenoptera) of the Portici Agricultural Entomology Institute. IV. Nomioides Scheck., Sphecodes Latr., Nomia Latr. and Systropha Illig. Bollettino - Laboratorio di Entomologia Agraria (Portici) 38: 265-274. [In Italian].

Priore, R. 1983a. Collection of Apoidea (Hymenoptera) of the Institute of Agricultural Entomology of Portici. VI. Andrena Fabr. Bollettino - Laboratorio di Entomologia Agraria (Portici) 40: 159-178. [In Italian].

Priore, R. 1983b. Collection of species of Apoidea (Hymenoptera) of the Institute of Agricultural Entomology of Portici. V. Bollettino - Laboratorio di Entomologia Agraria 39: 103-122. [In Italian].

Priore, R.  1985.  The collection of Apoidea (Hymenoptera) in the Institute of Agricultural Entomology of Portici [Italy]: VIII: Melitta Kirby, Dasypoda Latr., Lithurge Latr., Trachusa Panzer, Pseudoanthidium Fr., Anthidiellum Cockerell, Rhodanthidium Isen., Icteranthidium Michener, Anthidium Fabr., Stelis Panzer, Chalicodoma Lepeletier.  Boll. Lab. Entomol. Agrar. Filippo Silvestri 42(0): 95-112.

Priore, R. & G. Sannino, 1976. Honeybees are the best allies of pomologists even under protection. L’Apicoltore Moderno 67(2): 47-50. [In Italian].

Priore, R. & G. Sannino, 1977. Trials on the pollination of common Clementine with or without honeybees. Ital. Agric. 114(7/8): 88-94. [In Italian].

Priore, R. & G. Sannino, 1978. Once again about Apis mellifera L. activity in peach pollination in greenhouse conditions. L’Apicoltore Moderno 69(5): 151-156. [In Italian].

Priore, R. & G. Sannino, 1979. Role of honeybees (Apis mellifera L.) in strawberry cultivation in greenhouses. L’Apicoltore Moderno 70(4): 115-119. [In Italian].

Priore, R. & G. Sannino, 1981. Pollination of apricots cultivar Bulida by Apis mellifera L. Fruits 36(12): 785-788. [In Italian].

Pritch, G. 1968. Success in contracting bees for the pollination of agriculture crops. Apiakta 4: 1-18.

Priti & R. C. Sihag, 1997. Diversity, visitation frequency, foraging behaviour and pollinating efficiency of insect pollinators visiting cauliflower (Brassica oleracea L. var botrytis cv. Hazipur Local) blossoms. Indian Bee J. 59(4): 230-237.

Priti & R. C. Sihag, 1998. Diversity, visitation frequency, foraging behaviour and pollinating efficiency of insect pollinators visiting  carrot, (Daucus carota L.var. HC-I) blossoms. Indian Bee J. 60(I):  1-8.

Priti & R. C. Sihag, 1999. Diversity, visitation frequency, foraging behaviour and pollinating efficiency of different insect pollinators visiting coriander (Coriandrum sativum L.) blossoms. Asian Bee J. 1. (II): 36-42.

Priti & R. C. Sihag,  2000. Diversity, visitation frequency, foraging behaviour and pollinating officiency of different insect pollinators visiting fennel (Foeniculum vulgare L) blossoms. Asian Bee J. 2: 57-64.

Proctor, M. & P. Yeo, 1973. The pollination of flowers.  New Nat. Ser. 54. Collins, London.

Proctor, M., P. Yeo & A. Lack, 1996. The natural history of pollination. Timber Press, Portland OR. Pp. 479.

Progunkov, V. V. 1979.  Honey productivity of Oak groves in southern primor’ye Russian SFSR, USSR. Izv. Sib. Otd. Akad. Nauk SSSR, Ser. Biol. Nauk 3: 78-82.

Proni, E. A. 2000. Biodiversity of indigenous stingless bees (Hymenoptera: Apidae: Meliponinae) in the Tibagi River Basin, Parana State, Brazil. Arquivos de Ciencias Veterinarias e Zoologia da UNIPAR 3(2): 145-150.

Proni, E. A & M. J. A. Hebling, 1996. Thermoregulation and respiratory metabolism in two Brazilian stingless bee subspecies of different climatic distribution, Tetragonisca angustula fiebrigi and T. a. angustula (Hymenoptera: Apidae: Meliponinae). Entomologia Generalis 20(4): 281-289.

Provancher, L. 1878. Faune canadienne. Les insectes. - Hymenopteres. Naturaliste Canadien  10: 225-238.

Provancher, L.  1881. Faune canadienne. Les insectes - Hymenopteres. Naturaliste Canadien  12: 193-207.

Provancher, L.  1881. Faune canadienne.  Le Naturaliste Canadien  12: 353-362.

Provancher, L.  1882. Fauna Canadienne.  Les Insectes Hyménoptères.  Naturaliste Canadien 13: 225-242.

Provancher, L.  1883. Petite faune entomologique du Canada et particulierement de la province de Quebec. Quatrieme Ordre, les Hymenopteres. C. Darveau, Quebec. 191 pages.

Provancher, L.  1885-1889.  Additions et Corrections au Volume II de la Faune Entomologique du canada Traitant des Hyménoptères.  Darveau, Quebec. Pp. 1-475. [Parts on bees published in 1888].

Provancher, L.  1895. Les dernieres descriptions de l'Abbe Provancher. Naturaliste Canadien  22: 95-97.

Provancher, L. Quintero, D. & A. Aiello, 1992. Insects of Panama and Mesoamerica: selected studies.  Oxford. 692 pages.

Prŷs-Jones, O. E. 1982. Ecological studies of foraging and life history in bumblebees. Ph.D. thesis. University of Cambridge.

Prŷs-Jones, O. E. & S. A. Corbet, 1987. Bumblebees. 86 pp. Cambridge University Press, Cambridge.

Prŷs-Jones, O. E.,  E. Ólafsson & K. Kristjánsson, 1981. The Icelandic bumble bee fauna (Bombus Latr., Apidae) and its distributional ecology. Journal of Apicultural Research 20(3): 189-197.

Przybilla, B. 2001. Allergy to insect toxins: remove the sting from killer bees! MMW Fortschritte der Medizin 143(20): 41-44.

Ptáček, V.  1974.  Umělў chov samotářských včel. Včelarství 27(5): 104-106.

Ptáček, V.  1975.  Notes sur l’élevage de Megachile rotundata en Tchécoslovaquie. In: Compte Rendus.  IIIe Symp. Intern. Pollinisation,  Prague. Pp. 267-273.

Ptáček, V.  1978. Chov samotářské včely čalounice mateřídouškové (Megachile pacifica Panz.) pro dokonalejši opylování vojtéšky. Metod. Zavád. Výzk. Praxe, 15: 1-26.

Ptáček, V.  & J. Hofbauer, 1973.  [Preliminary studies of pollinators on crownvetch]. Sb. Ved. Pr.  Pp. 51-56.

Puente, S.;  A. Iniguez,  M. Subirats,  M. J. Alonso,  F. Polo,  I. Moneo, 1997.  Eosinophilic gastroenteritis caused by bee pollen sensitization. [In Spanish.]. Med. Clin. (Barc) 108(18): 698-700. [Abstract].

Puerta-Puerta, F., J. M. Flores-Serrano, M. Bustos-Rujz, F. Padilla-Alvarez & F. J. Fernandez Falero,  1989. Variability of the Varroa jacobsoni reproduction rates in hives of Apis mellifera iberica. Rev. Iber. Parasitol. 49(4): 381-386. [In Spanish with English summary.].

Pulawski, Wojciech, J. 2000. Didineis massaica, New Species, the First Afrotropical Member of the Genus, and Redescription of Didineis nigricans Morice, 1911 (Hymenoptera: Apoidea: Crabronidae: Bembicinae). Journal of Hymenoptera Research 9(2):  347–351.

Punchihewa,  R. W. K.,  N. Koeniger,  P. G.  Kevan  &  R. M. Gadawski, 1985a. Observations on the dance communication and natural foraging ranges of the three honeybee species in Sri Lanka. Journal of Apicultural Research 24(3): 168-175.

Punnett, E. N. & M. L. Winston, 1983. Events following queen removal in colonies of European-derived honey bee races (Apis mellifera). Insectes Sociaux 30(4): 376-383.  

Punnett, E. N. & M. L. Winston, 1989. A comparison of honey bee (Apis mellifera L.) colonies established from packages or nuclei in two areas of British Columbia, Canada. Journal of the Entomological Society of British Colombia 86: 1-6.

Purves, R. G., P. T. P. Clifford & B. J. Donovan, 1998: Preliminary observations of Osmia coerulescens as a pollinator of herbage seed crops. Proceedings of the New Zealand Grassland Association 60: 161- 164.

Puskadija, Z., I. Stefanic, N. Kezic & Z. Grgic, 2001. Analysis of subsidies in Croatian beekeeping. Agriculture Scientific and Professional Review 7(2): 43-47.

Putatunda, B. N. & D. P. Abrol, 2003. Mites associated with bees in Jammu and Kashmir, India. Zoos' Print Journal 18(2): 1021-1024.

Putatunda, B. N., K. Aggarwal & R. B. Mathur, 2001. Honey bee mites (Acarina), a challenge to beekeeping industry - a review. Agricultural Reviews 22(3/4): 205-214.

Puton, _. 1872. [Some observations on Prosopis dilatata]. Annales de la Société Entomologique de France 5e Sèr., tome i. p. 91-92.

Pyke, G. H. 1978a. Optimal foraging in bumblelbees and coevolution with their plants.  Oecologia 36: 281-294.

Pyke, G. H. 1978b. Optimal foraging: Movement patterns of bumblebees between inflorescences.  Theor. Popul. Biol. 13: 71-98.

Pyke, G. H. & L. Balzer, 1985.  The effects of the introduced honey bee Apis mellifera on Australian native bees.  Occasional papers No. 7.  [Report to the New South Wales National Parks and Wildlife Service, Sydney, Australia.]

Pyke, G. H., H. R. Pulliam & E. L. Charnov, 1977. Optimal foraging: a selective review of theory and tests.  Quarterly Review of Biology 52: 137-154.

        

 

Go to Q

 

 

 

Visit An Annotated Catalogue of the Bee Species of the Indian [in fact south Asian] Region by the same author

 

 

 

 

 

 

 

 

 

JUST RELEASED

"ADVANCEMENTS IN

INSECT BIODIVERSITY"

Editor

DR. RAJIV K. GUPTA

SEND E-MAIL FOR DETAILS

Dr. Rajiv K. Gupta
Associate Professor & Ex. Head
Department of Zoology
Jai Narain Vyas University,

Jodhpur 342005,

India.

Phone +91-291-2726666

M.        +91-946010 6666

E-mail: beesind@gmail.com

        Home                Alphabetical Author Reference Index               Acknowledgements             Authors Index                Links

Additions: Twelfth Issue

File "Additions: Twelfth Issue" contain references published between 01 Jan 2010 to 30 Oct 2010

                   

Initial release 19 November, 2002.                                                                                                                                         Second issue 31 July, 2003

Third issue 15 April, 2004                                                                                                                                                          Fourth issue 15 Sept. 2004

Fifth issue 20 Feb., 2005.                                                                                                                                                            Sixth issue 5 August 2005

Seventh issue 17 Feb., 2006                                                                                                                                                        Eighth issue 11 Oct. 2006

 

Ninth issue 07 August 2007                                                                                                                                                          Tenth issue 07 Sept. 2008

 

        Eleventh issue 11 Oct. 2009                                                                                                                                                      Twelfth issue 20 Nov. 2010

 

 

  E - BOOK   CREATED   AND   MAINTAINED   BY    DR.   RAJIV   K.   GUPTA