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

 

 

 

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Roba, R.  1935.  Systematic catalogue of insects of coffee (Coffea sp.).  Ann. Gembloux 1935 (Aug. – Sept.) : 299-379.

Robacker, D. C. & J. T. Ambrose, 1978. Random partial reinforcement in the honeybee : effect on asymptotic performance and resistance to extinction. Journal of Apicultural Research 17(4): 182-187. 

Robacker, D. C. & E. H. Erickson Jr., 1984. A bioassay for comparing attractiveness of plants to honeybees. Journal of Apicultural Research 23(4): 199-203. 

Robacker, D. C.,  P. K. Flottum,  D. Sammataro & E. H. Erickson, 1982. Why soy-beans attract honeybees. American Bee Journal 122(7): 481-484, 518-519.   

Robacker, D. C., P. K. Flottum, D. Sammataro & E. H. Erickson Jr., 1983. Effects of climatic and edaphic factors on soybean flowers and on the subsequent attractiveness of the plants to honey bees. Field Crops Res. 6: 267-278.

Robaux, P. 1988. Varroa jacobsoni: problems with diagnosis and control in Europe. Pp. 370-372. In: Needham, G.R. (ed.), Africanized honey bees and bee mites. E. Horwood, Chichester, West Sussex, England.

Robbs, S. L., R. O. Ryan, J. O. Schmidt, P. S. Keim & J. H. Law, 1985. Lipophorin of the larval honeybee, Apis mellifera L.  Journal of Lipid Research 26: 241‑247.

Roberts, D. P., W. D. Alecrim, J. M. Heller, S. R. Ehrhardt & J. B. Lima, 1982. Male Eufriesea purpurata, a DDT-collecting bee in BrazilNature 297: 62-63.

Roberts, R. B. 1969. Biology of the bee genus Agapostemon (Hymenoptera, Halictidae).  University of Kansas Science Bulletin 48(16): 689-719.

Roberts, R. B. 1971.  Biology of the crepuscular bee Ptiloglossa guinnae n.sp. with notes on associated bees, mites and yeasts.  Journal of the Kansas Entomological Society 44(3): 283-294.

Roberts, R. B. 1972.  Revision of the bee genus AgapostemonUniversity of Kansas Science Bulletin 49(9): 437-590.

Roberts, R. B. 1973a. The search for the better bee.  Frontiers 34(4): 2-7. 

Roberts, R. B. 1973b.  Nest architecture and immature stages of the bee Oxaea flavescens and the status of Oxaeidae (Hymenoptera).  Journal of the Kansas Entomological Society 46(4):  437-446.

Roberts, R. B. 1973c. Bees of northwestern America: Halictus (Hymenoptera: Halictidae).  

Roberts, R. B. 1973d. Nest architecture and immature stages of the bee Oxaea flavescens and the status of Oxaeidae (Hymenoptera). Journal of the Kansas Entomological Society 46(4): 437-446.  

Roberts, R. B. 1974. Apis rotundata Fabricius, 1793 (Insecta, Hymenoptera): proposed suppression of lectotype and designation of neotype in accord with Megachile rotundata. Bulletin of Zoological Nomenclature 30(3/4): 190-192.   

Roberts, R. B. 1975. The evolution of the honey bee. American Bee Journal 115(11): 433-435.

Roberts, R. B. 1978a. Megachile rotundata (Fabricius), not Megachile pacifica (Panzer), is the name of the alfalfa leafcutting bee (Hymenoptera: Megachilidae).  Bulletin of the Entomological Society of America 24(3): 392.

Roberts, R. B. 1978b.  The nesting biology, behaviour and immature stages of Lithurge chrysurus, an adventitious wood-boring bee in New Jersey (Hymenoptera: Megachilidae).  Journal of the Kansas Entomological Society 51(4): 735-745.

Roberts, R. B. 1979. Spectrophotometric analysis of sugars produced by plants and harvested by insects. Journal of Apicultural Research 18(3): 191-195.

Roberts, R. B. & R. W. Brooks, 1987.  Agapostemonine bees of Mesoamerica (Hymenoptera: Halictidae).  University of Kansas Science Bulletin 53(7): 357-392.

Roberts, R. B.  &  C. H. Dodson,  1967.  Nesting biology of two communal bees, Euglossa imperialis and Euglossa ignita (Hymenoptera: Apidae), including description of larvae.  Annals of the Entomological Society of America 60: 1007-1014.

Roberts, R. B. & S. R. Vallespir, 1978. Specialization of hairs bearing pollen and oil on the legs of bees (Apoidea: Hymenoptera). Annals of the Entomological Society of America 71(4): 619-627.

Roberts, S. P. 2005. Effects of flight behaviour on body temperature and kinematics during inter-male mate competition in the solitary desert bee Centris pallida. Physiological entomology 30(2): 151-157.  

Roberts, W. 1961. Heterosis in the honey bees. Ann. Entomol. Soc. Am. 54: 878-882.

Roberts, W. 1974. A standard stock of honeybees. Journal of Apicultural Research 13: 113-120.

Roberts, W. & O. Mackensen, 1951. Breeding improved bees. American Bee Journal 91: 292-294 & 473-475.

Robertson, A. W., J. J. Ladley & D. Kelly, 2005. Effectiveness of short-tongued bees as pollinators of apparently ornithophilous New Zealand mistletoes. Austral ecology 30(3): 298-309.

Robertson, C.1886. Notes on the mode of pollination of AsclepiasBotanical Gazette 9(10): 262-269.

Robertson, C. 1887. Insect relations of certain Asclepiads.  I, II. Botanical Gazette 12(9): 207-216; 12(10): 244-250.

Robertson, C. 1889a. Flowers and insects. I-III. Botanical Gazette 14(5): 120-126; 14(7): 172-178; 14(12): 297-304. 

Robertson, C. 1889b. Synopsis of the North American species of the genus OxybelusTransactions of the American Entomological Society 16: 77-85.

Robertson, C. 1890a. Flowers and insects. IV-V. Botanical Gazette 15(4): 79-84; 15(8): 199-204. 

Robertson, C. 1890b. Flowers and insects – Umbelliferae.  Trans. Acad. Sci. St. Louis 5: 449-460. 

Robertson, C. 1890c. New North American bees of the genera Halictus and Prosopis. Transactions of the American Entomological Society 17: 315-318.

Robertson, C. 1891a. Flowers and insects – VI. Botanical Gazette 16: 65-71.

Robertson, C. 1891b. Flowers and insects, Asclepiadaceae to Scrophulariaceae. Trans. Acad. Sci. St. Louis 5: 569-598.

Robertson, C. 1891c.  Descriptions of new species of North American bees.  Transactions of the American Entomological Society 18: 49-65.

Robertson, C. 1892a. Flowers and insects. VII-IX.  Botanical Gazette 17(3): 65-71; 17(6): 173-179; 17(9): 269-276.  

Robertson, C. 1892b. Flowers and insects  -  Labiatae.  Trans. Acad. Sci. St. Louis 6: 101-131.

Robertson, C.  1892c. Descriptions of new North American bees.  American Naturalist 26: 267-274.

Robertson, C. 1893. Flowers and insects. X-XI.  Botanical Gazette 18: 47-54, 267-274.

Robertson, C. 1894a. Flowers and insects. XII.  Botanical Gazette 19: 103-112.

Robertson, C. 1894b. Flowers and insects. Trans. Acad. Sci. St. Louis 6: 435-480.

Robertson, C. 1894c. Flowers and insects. Transactions of the American Entomological Society 17: 315-318.

Robertson, C. 1895. Flowers and insects. XIII, XIV.  Botanical Gazette 20: 104-110, 139-149.

Robertson, C. 1896a. Flowers and insects. XV-XVII.  Botanical Gazette 21: 72-81, 154-165, 266-274.

Robertson, C. 1896b. Flowers and insects.  Trans. Acad. Sci. St. Louis 7: 151-179.

Robertson, C. 1896c. Notes on bees of the genus Prosopis, with descriptions of new species. Canadian Entomologist 28: 136-138.

Robertson, C. 1897a.  North American bees – Descriptions and synonyms.  Transaction of the Academy of Science of St. Louis 7: 315-356.

Robertson, C. 1897b.  On the Mexican bees of the genus Augochlora.  Canadian Entomologist 29: 63-64. 

Robertson, C. 1897c.  Further notes on sections of Augochlora Canadian Entomologist 29: 176.

Robertson, C. 1898a. Flowers and insects. XVIII.  Botanical Gazette 25: 229-245.

Robertson, C. 1898b. Cockerell on Panurgus and Calliopsis. Canadian Entomologist 30: 101.

Robertson, C. 1899a. Flowers and insects. XIX.  Botanical Gazette 28: 27-45.

Robertson, C. 1899b. On the Classification of bees.  Canadian Entomologist 31: 338-343.

Robertson, C. 1900a.  Some Illinois bees.  Transactions of the Academy of Science of St. Louis 10: 47-55.

Robertson, C. 1900b.  Nomada Sayi and two related new species. Canadian Entomologist 32: 293-295.

Robertson, C. 1901.  Some new or little-known bees, I.  Canadian Entomologist 33: 229-231. 

Robertson, C. 1902a.  Synopsis of Andrenidae.  Transactions of the American Entomological Society 28: 187-194.

Robertson, C. 1902b.  Some new or little-known bees, II.  Canadian Entomologist 34: 48-49.

Robertson, C. 1902c.  Some new or little-known bees, IV.  Canadian Entomologist 34: 321-331.

Robertson, C. 1902d.  Synopsis of Halictinae.  Canadian Entomologist 34: 243-250.

Robertson, C. 1903a. Synopsis of Megachilidć and Bombinć. Transactions of the American Entomological Society 29: 163-178.

Robertson, C. 1903b.  Synopsis of Sphecodinae.  Entomological News 14: 103-107.

Robertson, C. 1903c.  Synopsis of Epeolinae.  Canadian Entomologist 35: 284-288.

Robertson, C. 1903d.  Synopsis of Nomadinae.  Canadian Entomologist 35: 172-179.

Robertson, C. 1904.  Synopsis of Anthophila.  Canadian Entomologist 36: 37-43.

Robertson, C. 1904b. Synopsis of Prosopis and Colletes, with supplementary notes and descriptions. Canadian Entomologist 36: 273-278.

Robertson, C. 1905a. Some new or little-known bees. - V. Canadian Entomologist  37: 236-237.

Robertson, C. 1905b.  Synopsis of Euceridae, Emphoridae and Anthophoridae. Transaction of the American Entomological Society 31: 365-372.

Robertson, C. 1914. Origin of oligotropy of bees.  Entomological News 25: 67-73.

Robertson, C. 1918a.  Some genera of bees.  Entomological News 29: 91-92.

Robertson, C. 1918b.  Erroneous generic determinations of bees.  Science (n.s.) 48: 368-369.

Robertson, C. 1922.  Synopsis of Panurginae.  Psyche 29: 159-173.

Robertson, C. 1925. Heterotropic bees. Ecology 6: 412–436.  

Robertson, C. 1926. Revised list of oligolectic Bees. Ecology 7: 378–380.

Robertson, C. 1927. Florida flowers and insects. Trans. Acad. Sci. St. Louis 25: 277-324.

Robertson, C. 1928a. Flowers and insects. XXV. Ecology  9(4): 505-526.

Robertson, C. 1929a.  Flowers and Insects. XXVI. Sci. Press Printing Co., Lancaster, 221 pages.

Robertson, C. 1929b.  Flowers and insects: Lists of visitors of 453 flowers. Science Press Printing Company, Lancaster, Pennsylvania. 221 pages.

Robertson, D. R.  1966.  Observations on the alfalfa leaf-cutter bee, Megachile rotundata, at Hodgson, Manitoba in 1966.  Proc. Entomol. Soc. Manitoba 22: 34-37.

Robertson, H. M., J. T. Reese, N. V. Milshina, R. Agarwala, M. Solignac, K. K. O. Walden & C. G. Elsik, 2007. Manual superscaffolding of honey bee (Apis mellifera) chromosomes 12-16: implications for the draft genome assembly version 4, gene annotation, and chromosome structure. Insect molecular biology 16(4): 401-410.[ER: http://dx.doi.org/10.1111/j.1365-2583.2007.00738.x].

Robinson, A. M.  & G. W. Otis, 1996.Bee venom: concerns about variability. American Bee Journal 136(8): 584-588.  

Robinson, F. A. 1976. Honey production in Florida. Gleanings in Bee Culture 104(2): 54-55, 75. 

Robinson, F. A. 1979a. Present and future problems of apiculture in the USA. Allgemeine Deutsche Imkerzeitung 10(7): 334-336. 

Robinson, F. A. 1979b. The effects of repeated spray applications of Dimilin W-25 on honeybee colonies in cotton fields. American Bee Journal 119(3): 193-194.  

Robinson,  F.  A.  1981. Africanized  bees:  a  problem  that  won't  go  away!   American Bee Journal 121(9):  625-626.  

Robinson, F. A. 1984. Honey promotion--you can start now! American Bee Journal 124(8): 594-596.  

Robinson, F. A. & W. J. Kloft, 1976. Apicultural problems in Florida. Allgemeine Deutsche Imkerzeitung 10(7): 261-265. 

Robinson, F. A. & J. L. Nation, 1970. Long-chain fatty acids in honeybees in relation to sex, caste, and food during development. Journal of Apicultural Research 9(3): 121-127. 

Robinson, F. A. & J. L. Nation, 1982. Pollen sterilization: effects upon brood rearing by honeybees. American Bee Journal 122(12): 811-813. 

Robinson, F. A., K. L. Smith & P. M. Packard, 1972. Gas sterilization of beekeeping equipment contaminated by the American foulbrood organism, Bacillus larvae. Florida Entomologist 55(1): 43-51.  

Robinson, F. A., K. L. Thel, R. C. Littell & S. B. Linda, 1986. Sampling apiaries for honey bee tracheal mite (Acarapis woodi Rennie): effects of bee age and colony infestation. American Bee Journal 126(3): 193-195. 

Robinson, G. E. 1982. Aberrant queen cells in honey bee colonies.  Bee World  63: 82. 

Robinson, G. E. 1984a.  Worker and queen honey bee behavior during the balling of foreign queens.  Insectes Sociaux 3: 254-263. 

Robinson, G. E. 1984b. Orchids pollinated by euglossine bees.  Bee World 65: 68-73. 

Robinson, G. E. 1985a.  Effects of a nuvenile hormone analogue on honey bee foraging behaviour and alarm pheromone production.  Journal of Insect Physiology 31: 277-282. 

Robinson, G. E. 1985b. The dance language of the honey bee: The controversy and its resolution.  Cornell Plantations Quarterly 41: 66-75. [Also in American Bee Journal 126: 184-191.]

Robinson, G. E. 1987a. Regulation of honey bee age polyethism by juvenile hormone.  Behavioral Ecology and Sociobiology 20: 329-338.

Robinson, G. E. 1987b. Alarm pheromone perception in the honey bee: evidence for division of labor based on hormonally modulated response thresholds.  Journal of Comparative Physiology A160: 613-619. 

Robinson, G. E. 1987c. Hormonal regulation of age polyethism in the honey bee, Apis mellifera. Pp. 266-280. In: R. Menzel & A. Mercer (eds.), Neurobiology and Behaviour in Honey bees. Springer-Verlag, Berlin

Robinson, G. E. 1991. Hormonal and genetic control of honeybee division of labour. Pp. 14-28. In: L. J. Goodman & R. L. Fisher (eds.), The Behaviour and Physiology of Bees. CAB International, London.

Robinson, G. E. 1992. The regulation of division of labor in insect societies.  Annual Review of Entomology 37: 637-665. 

Robinson, G. E. 1996.  Chemical communication in honey bees.  Science 271: 1824-1825. 

Robinson, G. E. 1998.  From society to genes with the honey bee.  American Scientist 86: 456-462. 

Robinson, G. E. 1999. Integrative animal behaviour and sociogenomics.  Trends in Ecology and Evolution 14: 202-205.

Robinson, G. E. 2000. Bees and genes.  Bee Culture 128: 20-24.

Robinson, G. E. 2002. Sociogenomics takes flight. Science (Washington) 297(5579): 204-205.

Robinson, G. E. [In Press]. Genomics and integrative analyses of division of labor in honey bee colonies. American Naturalist. 

Robinson, G. E. [In Press]. Division of labor in insect societies.  Encyclopedia of Insects. V. Resch and R. Carde (eds.).  

Robinson, G. E. & F. C. Dyer, 1993. Platicity of spatial memory in honey bees: reorientation following colony fission.  Animal Behaviour 46: 311-320. 

Robinson, G. E., S. E. Fahrbach & M. L. Winston, 1997.  Insect societies and the molecular biology of social behavior.  BioEssays 19: 1099-1108. 

Robinson, G. E., L. M. Heuser, Y. LeConte, F. Lenquette & R. M. Hollingworth, 1999. Neurochemicals improve bee nestmate recognition. Nature 399: 534-535. 

Robinson, G. E. & Z. –Y. Huang, 1998. Colony integration in honey bees: genetic, endocrine and social control of division of labor.  Apidologie 29: 159-170. 

Robinson, G. E. & R. A. Morse,  1982. Number of honey bees that stay out all night. Bee World 63: 173-174. 

Robinson, G. E. & R. E. Page Jr., 1988. Genetic determination of guarding and undertaking in honey-bee colonies.  Nature 333: 356-358.

Robinson, G. E. & R. E. Page Jr., 1989a. Genetic basis for division of labor in honey bee colonies. Pp. 61-80, In: Breed, M. D. & R.E. Page Jr. (eds.), The Genetics of Social Evolution. Westview Press, Boulder, CO.

Robinson, G. E. & R. E. Page, 1989b. Genetic determination of nectar foraging, pollen foraging, and nest-site scouting in honey bee colonies. Behavioral Ecology and Sociobiology 24: 317-323.

Robinson, G. E. & R. E. Page, 1989c. The genetic basis of division of labor in an insect society. Pp. 61-80. In: M. D. Breed & R. E. Page (eds.), The Genetics of Social Evolution. Westview Press, Boulder, Colorado, USA.

Robinson, G. E. & R. E. Page Jr., 1995. Genotypic constraints on plasticity for corpse removal in honey bee colonies. Animal Behavior 49: 867-876.

Robinson, G. E.,  R. E. Page Jr. & N. Arensen, 1994. Genotypic differences in brood rearing in honey bee colonies: context-specific? Behavioral Ecology and Sociobiology 34: 125-138.

Robinson, G. E., R. E. Page & M. K. Fondrk, 1990.  Genotypic biases in worker reproduction and intracolonial variability for oviposition, oophagy, and larval care in queenless honey bee colonies.  Behavioral Ecology and Sociobiology 26: 315-323.

Robinson, G. E.,  R. E. Page Jr. & Z. –Y. Huang, 1994. Temporal polyethism in social insects is a developmental process.  Animal Behaviour 48: 467-469.

Robinson, G. E., R. E. Page, C. Strambi & A. Strambi, 1989.  Hormonal and genetic control of behavioral integration in honey bee colonies.  Science 246: 109-112.

Robinson, G. E., R. E. Page, C. Strambi & A. Strambi, 1992. Colony integration in honey bees: mechanisms of behavioral reversion. Ethology 90(4): 336-350. 

Robinson, G. E. & F. L. W. Ratnieks, 1987.  Induction of premature honey bee flight by juvenile hormone analogs administered orally or topically. Journal of Economic Entomology 80(4): 784-788.

Robinson, G. E., C. Strambi, A. Strambi & M. F. Feldlaufer, 1992. Comparison of juvenile hormone and ecdysteroid haemolymph titres in adult honey bee workers and queens.  Journal of Insect Physiology 37: 929-935.

Robinson, G. E., C. Strambi, A. Strambi & Z. –Y. Huang, 1992. Reproduction in worker honey bees is associated with low juvenile hormone titers and rates of biosynthesis.  General and Comparative Endocrinology 87: 471-480.

Robinson, G. E., A. Strambi, C. Strambi, Z. L. Paulino-Simoes, S. O. Tozeto & J. M. N. Barbosa, 1987. Juvenile hormone titers in Africanized and European honey bees in Brazil. General and Comparative Endocrinology 66: 457-459.

Robinson, G. E., A. Strambi,  C. Strambi,  Z. L. P. Simoes,  S. O. Tozeto & J. M. N. Barbosa, 1988. Comparative analyses of honey-bee junvenile hormone titers in Brazil. Pp. 125-131. In: Needham, G.R. (ed.), Africanized honey bees and bee mites. E. Horwood, Chichester, West Sussex, England.

Robinson, G. E., B. A. Underwood & C. E. Henderson, 1984.  A highly specialized water-collecting honey bee.  Apidologie 15: 355-358. 

Robinson, G. E. & E. L. Vargo, 1997. Juvenile hormone in the social Hymenoptera: Gonadrotropin and behavioral pacemaker.  Archivess in Insect Biochemistry and Physiology 35: 559-583.  

Robinson, G. E. & P. K. Visscher, 1984.  Effect of low-temperature narcosis on honey bee foraging behavior.  Florida Entomologist 67(4): 568-570.

Robinson, N. A. 1996.  Observations on Osmia parietina Curtis (Hymenoptera, Megachilidae) in LancashireEntomologist Monthly Magazine 132(3): 31-32.

Robinson, F. A. &  J. L. Nation,  1968.  Substances  that  attract  caged  honeybee  colonies  to consume pollen supplements and substitutes. Journal of Apicultural Research 7: 83-88.

Robinson, W. S. 1975. Pollination studies in a forest situation. Bulletin of the Oregon Entomological Society 58: 474-475.

Robinson, W. S. 1979. Effect of apple cultivar on foraging behavior and pollen transfer by honeybees. Journal of the American Society for Horticultural Science 104(5): [Incomplete].  

Robinson, W. S. 1980. Keeping bees busy in your apple orchard. Western Fruit Grower 100(3).   

Robinson, W. S. 1981. Beekeeping in Jordan. Bee world  62(3): 91-97. 

Robinson,  W.  S. 1982.  Keeping  the  kali  bees  of  Kenya  Apis mellifera adansonii. American Bee Journal  122(11): 745-748.

Robinson, W. S. 1988. Beekeeping with Apis cerana in Sri Lanka. Bee World 69(3): 125-130.  

Robinson, W. S. 1991. Honeybees: development of foraging fidelity to delicious apples flowers. Journal of Economic Entomology 74(2): 127-130.

Robinson, W. S. 2005. Honey bees in Hawaii collect lava dust from trail markers. American bee journal 145(3): 232-233.  

Robinson, W. S. & R. D. Fell, 1981. Effect of honey bee foraging behaviors on 'Delicious' apple set. HortScience 16(3):  326-328.

Robinson, W. S., R. Nowogrodski & R. A. Morse, 1989a.  The value of honeybees as pollinators of US crops Part I.  American Bee Journal 129: 411-423.

Robinson, W. S., R. Nowogrodski & R. A. Morse, 1989b. The value of honeybees as pollinators of US crops Part II.  American Bee Journal 129: 477-487.

Robinson, W. S., R. Nowogrodski & R. A. Morse, 1989c. Pollination parameters.  Glean. Bee Cult. 117: 148-152.

Rocha, F. M. R. da, S. F. Mousinho, F. R. Freire Filho, S. M. de S. Silva, A. A. de C. Bezerra, 2001. Aspects of floral biology of cowpea (Vigna unguiculata (L.) Walp.). Documentos - Embrapa Meio-Norte No. 56: 27-29.

Rocha, H. C., M. T. T. Tornero, S. R. C. Funari, 2000. Determination of the growth curves of worker bees (Apis mellifera L.) by means of an asymptotic-sigmoid diphase growth model. Boletim de Industria Animal 57(2): 179-185.

Rockwood, L. P. 1951.  Notes on insects associated with Lupinus polyphyllus Lindl. in the Pacific northwest. Pan-Pacific Entomologist 27(4): 149-156.

Rodd, F. H., R. C. Plowright & R. E. Owen, 1980. Mortality rates of adult bumble bee workers (Hymenoptera: Apidae). Canadian Journal of Zoology 58(9): 1718-1721.

Rodeck, H. G. 1945.  Two new subgenera of Nomada Scopoli.  Entomological News 56: 179-181.

Rodeck, H. G. 1947.  Laminomada, a new subgenus of NomadaAnnals of the Entomological Society of America 40: 266-270.

Rodeck, H. G. 1949. North American bees of the genus Nomada, subgenus CallinomadaAnnals of the Entomological Society of America 42: 174-186.

Roderick, G. K. 1996. Geographic structure of insect populations: Gene flow, phylogeography, and their uses. Annual Review of Entomology 41: 325-352.

Rodes, J. W., D. C. Somerville & S. Harden, 2004. Queen honey bee introduction and early survival - effects of queen age at introduction. Apidologie 35: 383-388.

Rodriguez, G. A. & C. Cervancia, 1999. Insect pollination of passion fruit Passiflora edulis Sims var. flavicarpa Degener. Philippine Journal of Science 128(2): 119-124.

Rodriguez-Saona, C. 2007. Honeybees, colony collapse disorder, and cranberries. Plant & pest advisory Cranberry edition 13(2): 1-2. [Electronic Resource: http://njaes.rutgers.edu/pubs/plantandpestadvisory/2007/cb0426.pdf].

Rodríguez-Velez,  B. & R. Ayala. 2002  Perdita (Macrotera) pipiyolin Snelling & Danforth Aspectos de su biología. Libro. Historia Natural de Chamela. IBUNAM. [In Press.]

Roff, C.  1976. Aspects of genetics of honeybees. Australas. Beekeep. 78(6):  132-134.

Rogel, Villanueva G. & D. W. Roubik, 2004. Why are African honey bees and not European bees invasive? Pollen diet diversity in community experiments. Apidologie 35: 481-491.

Rogers, L. E., R. O. Gilbert & M. Borgett,  1983.  Sampling honey bee colonies for brood production: A double sampling technique. Journal of Apicultural Research 22(4): 232-241.

Rohdendorf, B. B. 1968. Jurassic insects of the Karatau. Nauka, Moscow. 252 pages. [In Russian.]

Rohlfing, T., R. Brandt, C. R. Maurer Jr. & R. Menzel, 2001. Bee Brains, B-Splines and compu­tational democracy: generating an average shape atlas. Proceedings of the IEEE Work­shop on Mathematical Methods in Biomedical Image Analysis, MMBIA 2001.

Rohwer, S. A.  1911.  A new genus of nomadine bees.  Entomological News 22: 24-27.

Roig-Alsina, A. 1987. The classification of the Caenoprosopidini.  Journal of the Kansas Entomological Society 60(2): 305-315.

Roig-Alsina, A. 1989a. A revision of the bee genus DoeringiellaUniversity of Kansas Science Bulletin 53(10): 576-621.

Roig-Alsina, A.  1989b.  The tribe Osirini, its scope, classification and revision of the genera Parepeolus and OsirinusUniversity of Kansas Science Bulletin 54(1): 1-23.

Roig-Alsina, A.  1990.  Coelioxoides Cresson, a parasitic genus of Tetrapediini.  Journal of the Kansas Entomological Society 63(2): 279-287.

Roig-Alsina, A. 1991a. Cladistic analysis of the Nomadinae s.str. with description of a new genus.  Journal of the Kansas Entomological Society 64(1): 23-37.

Roig-Alsina, A. 1991b.  Revision of the cleptoparasitic bee tribe Isepeolini.  University of Kansas Science Bulletin 54(8): 257-288.

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Roubik, D. W. 1996c. Wild bees of Brunei. Pp. 59-66. In: D. Edwards, W. E. Booth & M. Choy (eds.), Tropical Rainforest Research: Current Issues.  Kluwer Academic Publishers, Dordrecht, Netherlands.

Roubik, D. W. 1996d. Order and chaos in tropical bee communities. Pp. 122-132. In: C. A. Garofalo, et al. (eds.), 2nd Encontro Abelhas de Ribeirao Preto Sao Paulo, Brazil.

Roubik, D. W. 1996e. Diversity in the real world: Tropical forests as pollinator reserves.  Pp. 111-122. In: M. Mardan, et al. (eds.), Tropical Bees and the Environment. UPM Press, Selangor, Malaysia.

Roubik, D. W. 1998a. The killer bee saga.  Subtropical Fruit News 6: 13-14.

Roubik, D. W. 1999a. Grave-robbing by male Eulaema: implications for euglossine biology.  Journal of the Kansas Entomological Society 71: 188-191.

Roubik, D. W. 1999b.  The foraging  and  potential  out crossing  pollination  ranges of African Honey- bees in Congo Forest. Journal of the Kansas Entomological Society 72(4): 394-401.

Roubik, D. W. 2000a.  Polination system stability in tropical AmericaConservation Biology 14(5): 1235-1236.

Roubik, D. W. 2000b.  Deceptive orchids with Meliponini as pollinators.  Plant systematics and Evolution 222: 271-279.

Roubik, D. W. 2000c. The de-flowering of Central America: a current perspective. Pp. 144-151. In: Proceedings of the sixth International Bee Research Conference on Tropical Bees. IBRA, Cardiff, UK.

Roubik, D. W. 2001a. Searching for genetic pattern in orchid bees: A reply to Takahashi et al.  Evolution 55(9): 1900-1901.

Roubik, D. W. 2001. Ups and downs in pollinator populations: when is there a decline? Conservation Ecology 5(1): 2 [Online] URL: http://www.consecol.org/Vol5/iss1/art2.

Roubik, D. W. 2002. The value of bees to the coffee harvest. Nature (London) 417(6890): 708.

Roubik, D. W. [In press].  African honey bees augment neotropical coffee yield.  Proceedings of the International Symposium on Pollination, 1998. P. G. Kevan & V. L. Imperatriz-Fonseca (eds.).

Roubik, D. W. [In press].  Sequential flowering vine visitation by Melipona promoted by floral mimicry in sequentially monoecious Cayaponia macrocalyx.  Tropics.

Roubik, D. W. [In press].  Tropical bee colonies, pollen dispersal and reproductive gene flow in forest trees.  Symposium on Modelling and Experimental Research on Genetic Processes in Tropical and Temperate Forests.  Embrapa (Belem) and Silvolab, Kourous (In Press, Online).

Roubik, D. W. & J. D. Ackerman,  1987.  Long-term ecology of euglossine orchid-bees (Apidae: Euglossini) in PanamaOecologia, Berlin 73: 321-333.

Roubik, D. W., J. D. Ackerman, C. Copenhaver & B. H. Smith, 1982.  Stratum, tree and flower selection by tropical bees: Implications for the reproductive biology of outcrossing Cochlospermum vitifolium in Panama. Ecology 63(3): 712-720.

Roubik, D. W. &  M. Aluja, 1983.  Flight ranges of Melipona and Trigona in tropical forest.  Journal of the Kansas Entomological Society 56(2): 217-222.

Roubik, D. W. & M. M. Boreham, 1990.  Learning to live with Africanized honeybees.  Interciencia 15(3): 146-153.

Roubik, D. W. & S. L. Buchmann, 1984. Nectar selection by Melipona and Apis mellifera (Hymenoptera: Apidae) and the ecology of nectar intake by bee colonies in a tropical forest. Oecologia 61: 1-10.

Roubik, D. W., T. Inoue, A. Hamid & R. Harrison,  1999.  Height communication by Bornean honey bees.  Journal of the Kansas Entomological Society 72: 256-261.

Roubik, D. W., N. M. Holbrook & G. Parra V., 1985, Role of nectar robbers in reproduction of the tropical treelet Quassia amara (Simaroubaceae).  Oecologia (Berlin) 66: 161-167.

Roubik, D. W. &  Inoue-san,  1998. Researches on population ecology 39: 262-264.

Roubik, D. W.,  T. Inoue & A. A. Hamid, 1995.  Canopy foraging by two tropical honeybees: bee height fidelity and tree genetic neighbourhoods.  Tropics 5(1/2): 81-93.

Roubik, D. W. & C. D. Michener, 1980. The seasonal cycle and nests of Epicharis zonata, a bee whose cells are below the wet-season water table (Hymenoptera, Anthophoridae). Biotropica 12(1): 55-60.

Roubik, D. W. & C. D. Michener, 1985.  Nesting biology of Crawfordapis in Panama (Hymenoptera, Colletidae).  Journal of the Kansas Entomological Society 57: 662-671.

Roubik, D. W. & J. E. Moreno, 1990. Social bees and palm trees: What do pollen diets tell us? Pp. 427-428.  In: G. K. Veeresh, B. Mallik & C. A. Viraktamath (eds.), Social Insects and the EnvironmentOxford and IBH Publishing Co., New Delhi.

Roubik, D. W. & J. E. Moreno, 1991. Pollen and Spores of Barro Colorado IslandMissouri Botanical Garden Monographs in Systematic Botany No. 36. 269 pages.

Roubik, D. W. & J. E. Moreno, 2000.  Generalization and specialization by stingless bees.  In: Proceedings of the sixth International bee research conference on tropical bees. IBRA, Cardiff, U.K. Pp. 112-118.

Roubik, D. W., J. E. Moreno, C. Vergara &  D. Wittmann, 1986.  Sporadic food competition with the African honeybee: projected impact on neotropical social bee.  Journal of Tropical Ecology 2(2): 97-111.

Roubik, D. W. & F. Peralta, 1983.  Thermodynamics in nests of two Melipona species in BrazilActa Amazonica 13: 453-466.

Roubik, D. W. & F. Reyes, 1984. African honey bees have not brought acarine mite infestations to PanamaAmerican Bee Journal 124(9):  665-667.

Roubik, D. W., S. F. Sakagami & I. Kudo, 1985.  A note on distribtion and nesting of the Himalayan honeybee Apis laboriosa Smith.  Journal Kansas Entomological Society 58(4): 746-749.

Roubik, D. W., S. Sakai & F. Gattesco, 2003. Canopy flowers and certainty: loose niches revisited. Pp. 360-368. In: Basset, Y., V. Novotny,  S. E. Miller & R. L.  Kitching (eds.), Arthropods of tropical forests: spatio-temporal dynamics and resource use in the canopy. Cambridge University Press, Cambridge, UK

Roubik, D. W., R. J. Schmalzel & E. Moreno1984. Estudio apibotanico de Panama: Cosecha y fuentes de polen y nectar usados por Apis mellifera y sus patrones estacionales y anuales [Apibotanical study of Panama: Harvest and sources of pollen and honey used by Apis mellifera and their seasonal and annual characteristics.] Tech. Bull. 24. OIRSA. 1-74. San Salvador.

Roubik, D. W.,  J. A. L. Segura &  J. M. F. de Camargo, 1997. New stingless bee genus endemic to Central American cloudforests: Phylogenetic and biogeographical implications.  Systematic Entomology 22: 67-80.

Roubik, D. W., B. H. Smith & R. G. Carlson, 1987.  Formic acid in caustic cephalic secretions of stingless bee, OxytrigonaJournal of the Chemistry & Ecology 13: 1079-1086.

Roubik, D. W., R. Villanueva, E. Cabrera & W. Coli, 1991. Las abejas de la reserva de la Bi-sfera Sian Ka’An. Pp. 317-320.  In: L. D. Navarro & J. D. Robinson (eds.), Diversidad biologica en la reserva de la biosfera de Sian Ka’an, Quintana Roo, Mexico. CIQRO, Chetumal, Q. Roo MŽxico.

Roubik, D. W., L. A. Weigt & M. A. Bonilla,  1996.  Population genetics, diploid males and limits to social evolution of euglossine bees.  Evolution 50(2): 931-935.

Roubik, D. W. & Q. D. Wheeler, 1982.  Flightless beetles and stingless bees: Phoresy of scotocryptine beetles (Leiodidae) on their meliponine hosts (Apidae).  Journal of the Kansas Entomological Society 55(1): 125-135.

Roubik, D. W. & K. Winter, 1996. A study of flowering and pollen characteristics in a tropical herb under elevated CO2 treatment.  Tropics 6: 149-152.

Roubik, D. W. & H. Wolda, 2000. Male and female bee dynamics in a lowland tropical forest. In: Proceedings of the sixth international bee research conference on tropical bees.  IBRA, Cardiff, U.K. Pp. 167-174.

Roubik, D. W. & H. Wolda, 2001.  Do competing honey bees matter? Dynamics and abundance of native bees before and after honeybee invasion.  Population Ecology 43: 53-62.

Roubik, D. W., D. Yanega, M. Aluja S., S. L. Buchmann & D. W. Inouye, 1995.  On optimal nectar foraging by some tropical bees (Hymenoptera: Apidae).  Apidologie 26: 197-211.

Ruijter A, 1987. Reproduction of Varroa jacobsoni during successive brood cycles of the honeybee. Apidologie 18: 321-326.

Roulston, T. H. 2000. The effect of diet breadth and nesting ecology on body size variation in bees (apiformes). Journal of the Kansas Entomological Society 73(3): 129-142.

Roulston, T. H. & J. H. Cane, 2000. Pollen  nutritional content and digestibility for animals. Plant System. and Evol.  222: 187-209.

Roulston, T. H. & J. H. Cane,  2000.  The effect of diet breadth and nesting ecology on body size variation in bees (Apoidea).  Journal of the Kansas Entomological Society 73:129-142.

Roulston, T. H., J. H. Cane & S. L. Buchmann, 2000. What governs protein content of pollen: Pollinator preferences, pollen-pistil interactions, or phylogeny?  Ecological Monographs 70(4): 617-643.

Roussy, L.  1937.  Contributions a l’etude de l’abeille Tertiaire, de ses parasites et de ses ennemis. La Gazette Apicole Montfavet 388: 49-72.

Roussy, L. 1960. Insectes et abeilles fossils de l’ambre de Sicile: Migrations, localisations, peuplement du Nouveau Monde, de l’Australie, de la Nouvelle Zelande. La Gazette Apicole Montfavet 635: 5-8.

Routley, M. B. & B. C. Husband, 2003. The effect of protandy on siring success in Chamerion angustifolium (Onagraceae) with different inflorescence sizes. Evolution 57(2): 240-248.

Rowe, D. J., T. E. Rinderer, J. Stelzer, B. P. Oldroyd & R. H. Crozier, 1997.  Seven polymorphic microsatellite loci in honeybees (Apis mellifera).  Insectes Sociaux 44: 85-93.

Rowell, G. A. & O. R. Taylor Jr., 1988. Some computer simulations using the neutral mating model for the honey bee, Apis mellifera. Pp. 184-192. In: Needham, G.R. (ed.), Africanized honey bees and bee mites. E. Horwood, Chichester, West Sussex, England.

Rowell, G.  A., O. R. Taylor Jr. & M. A. Long-Rowell, 1992.         Spatial dynamics of the honey bee mating system (Apis mellifera L.). Journal of the Kansas Entomological Society 65(3): 218-222.

Rowell,  M. S.,  L. A. Bradley & C. L. Cole, 1993. The range expansion of the Africanized honey bee in texas. American Bee Journal 133(2): 84-85.

Rowlands, D. G. 1958. The nature of the breeding system in the field bean (Vicia faba L.) and its relationship to breeding for yield. Heredity 12: 113-125.

Royce, L. A.,  G.W. Krantz,  L.A. Ibay & D. M. Burgett, 1988. Some observations on the biology and behavior of Acarapis woodi and Acarapis dorsalis in Oregon. Pp. 498-505. In: Needham, G.R. (ed.), Africanized honey bees and bee mites. E. Horwood, Chichester, West Sussex, England. 

Royce, L. A., L. A. Ibay, D. M. Burgett & G. C. Fisher, 1988. Detecting and controlling honey bee brood mites (Varroa jacobsoni Oudemans). Extension circular - Oregon State University, Extension Service No. 1272: 1-3.

Royce, L. A. & P. A. Rossignol, 1990. Honey bee mortality due to tracheal mite parasitism. Parasitology 100(pt.1): 147-151.

Royce, L. A., B. A. Stringer, C. Kitprasert, D. M. Burgett & P. A. Rossignol, 1993. Infestation of tracheal mites (Acari: Tarsonemidae) in feral and managed colonies of honey bees (Hymenoptera: Apidae). J. Econ. Entomol. 86(3): 712-714.

Rozen, J. G. Jr. 1951.  A preliminary comparative study of the male genitalia of Andrenidae (Hymenoptera, Apoidea). Journal of the Kansas  Entomological Society 24: 142-150. 

Rozen, J. G. Jr. 1952a.  Collecting brachycistidine females.  Pan-Pacific Entomologist 23: 91-92. 

Rozen, J. G. Jr. 1952b. A new species of Nomadopsis (Hymenoptera, Andrenidae).  Journal of the Kansas Entomological Society 25: 144-147. 

Rozen, J. G. Jr. 1954. Morphological description of the larva of Oreopasites vanduzeei Cockerell (hymenoptera: Anthophoridae).  Pan-Pacific Entomologist 30: 203-207. 

Rozen, J. G. Jr. 1957. External morphological description of the larva of Exomalopsis chionura Cockerell, including a comparison with other anthophorids (Hymenoptera: Apoidea). Annals of the Entomological Society of America 50: 469-475. 

Rozen, J. G. Jr. 1958. Monographic study of the genus Nomadopsis Ashmead (Hymenoptera: Andrenidae).  University of California Publications in Entomology 15: 1-202. 

Rozen, J. G. Jr. 1959. A new species of Nomadopsis and notes on some previously described ones (Hymenoptera, Andrenidae).  Proceedings of the Entomological Society of Washington 61: 255-259. 

Rozen, J. G. Jr. 1963a. Nomadopsis euphorbiae (Cockerell) synonymized with N. helianthi (Swenk and Cockerell) (Hymenoptera: Andrenidae).  Journal of the New York Entomological Society 71: 142-143. 

Rozen, J. G. Jr. 1963b. Notes on the biology of Nomadopsis, with descriptions of four new species (Apoidea, Andrenidae).  American Museum Novitates 2142: 1-17. 

Rozen, J. G. Jr. 1964. The biology of Svastra obliqua obliqua (Say), with a taxonomic description of its larvae (Apoidea, Anthophoridae). American Museum Novitates 2170: 1-13. 

Rozen, J. G. Jr. 1965a. Phylogenetic-taxonomic significance of last instar of Protoxaea gloriosa Fox, with descriptions of first and last instars (Hymenoptera: Apoidea).  Journal of the New York Entomological Society 72: 223-230. 

Rozen, J. G. Jr. 1965b. Biological notes on the cuckoo bee genera Holcopasites and Neolarra (Hymenoptera: Apoidea).  Journal of the New York Entomological Society 73: 87-91. 

Rozen, J. G. Jr. 1965c. The biology and immature stages of Melitturga clavicornis (Latreille) and of Sphecodes albilabris (Kirby) and the recognition of the Oxaeidae at the family level (Hymenoptera, Apoidea).  American Museum Novitates 2224: 1-18. 

Rozen, J. G. Jr. 1965d. The larvae of the Anthophoridae (Hymenoptera, Apoidea). Part 1.  Introduction, Eucerini, and Centridini (Anthophorinae). American Museum Novitates 2233: 1-27. 

Rozen, J. G. Jr. 1966a. The larvae of the Anthophoridae (Hymenoptera, Apoidea). Part 2.  The Nomadinae.  American Museum Novitates 2244: 1-38. 

Rozen, J. G. Jr. 1966b. Systematics of the larvae of North American panurgine bees (Hymenoptera, Apoidea).  American Museum Novitates 2259: 1-22. 

Rozen, J. G. Jr. 1966c. Taxonomic descriptions of the immature stages of the parasitic bee, Stelis (Odontostelis) bilineolata (Spinola) (Hymenoptera: Apoidea: Megachilidae).  Journal of the New York Entomological Society 74: 84-91. 

Rozen, J. G. Jr. 1967a. Review of the biology of panurgine bees, with observations on North American forms (Hymenoptera, Andrenidae).  American Museum Novitates 2297: 1-44. 

Rozen, J. G. Jr. 1967b. The immature instars of the cleptoparasitic genus Dioxys (Hymenoptera: Megachilidae).  Journal of the New York Entomological Society 75: 236-248. 

Rozen, J. G. Jr. 1968a. Biology and immature stages of the aberrant bee genus Meliturgula (Hymenoptera, Andrenidae).  American Museum Novitates 2331: 1-18. 

Rozen, J. G. Jr. 1968b. Review of the South African cuckoo-bee genus Pseudodichroa (Hymenoptera, Apoidea).  American Museum Novitates 2347: 1-10. 

Rozen, J. G. Jr. 1969a. Biological notes on the bee Tetralonia minuta and its cleptoparasite, Morgania histrio transvaalensis (Hymenoptera: Anthophoridae).  Proceedings of the Entomological Society of Washington 71: 102-107. 

Rozen, J. G. Jr. 1969b.  The biology and description of a new species of African Thyreus, with life history notes on two species of Anthophora (Hymenoptera: Anthophoridae).  Journal of the New York Entomological Society 78: 51-60. 

Rozen, J. G. Jr. 1969c. The larvae of the Anthophoridae (Hymenoptera, Apoidea).  Part 3.  The Melectini, Ericrocini, and Rhathymini.  American Museum Novitates 2382: 1-24. 

Rozen, J. G. Jr. 1970a.  Biology and immature stages of the panurgine bee genera Hypomacrotera and Psaenthia (Hymenoptera, Apoidea).  American Museum Novitates 2416: 1-16. 

Rozen, J. G. Jr. 1970b.  Biology, immature stages, and phylogenetic relationships of fideliine bees, with the description of a new species of Neofidelia (Hymenoptera, Apoidea).  American Museum Novitates 2427: 1-25. 

Rozen, J. G. Jr. 1970c.  Biological observations on the parasitic bee Kelita (Hymenoptera: Apoidea).  Journal of the New York Entomological Society 78: 146-147. 

Rozen, J. G. Jr. 1971a.  Biology and immature stages of Moroccan panurgine bees (Hymenoptera, Apoidea).  American Museum Novitates 2457: 1-37. 

Rozen, J. G. Jr. 1971b. Systematics of the South American bee genus Orphana (Hymenoptera, Apoidea).  American Museum Novitates 2462: 1-15. 

Rozen, J. G. Jr. 1971c. Micromalthus debilis Le Conte from amber of Chiapas, Mexico (Coleoptera: Micromalthidae).  University of California Publications in Entomology 63: 75-76. 

Rozen, J. G. Jr. 1973a.  Biology notes on the bee Andrena accepta Viereck (Hymenoptera, Andrenidae).  Journal of the New York Entomological Society 81: 54-61. 

Rozen, J. G. Jr. 1973b. Life history and immature stages of the bee Neofidelia (Hymenoptera, Fideliidae).  American Museum Novitates 2519: 1-14. 

Rozen, J. G. Jr. 1973c.  Immature stages of lithurgine bees with descriptions of the Megachilidae and Fideliidae based on mature larvae (Hymenoptera, Apoidea).  American Museum Novitates 2527: 1-14. 

Rozen, J. G. Jr. 1974a. The biology of two African melittid bees (Hymenoptera, Apoidea).  Journal of the New York Entomological Society 82: 6-13. 

Rozen, J. G. Jr. 1974b. Nest biology of the eucerine bee Thygater analis (Hymenoptera, Anthophoridae).  Journal of the New York Entomological Society 82: 230-234. 

Rozen, J. G. Jr. 1977a. Biology and immature stages of the bee genus Meganomia (Hymenoptera, Melittidae).  American Museum Novitates 2630: 1-14. 

Rozen, J. G. Jr. 1977b. The ethology and systematic relationships of fideliine bees, including a description of the mature larva of Parafidelia (Hymenoptera, Apoidea).  American Museum Novitates 2637: 1-15. 

Rozen, J. G. Jr. 1977c. Immature stages of and ethological observations on the cleptoparasitic bee tribe Nomadini (Apoidea, Anthophoridae).  American Museum Novitates 2638: 1-16. 

Rozen, J. G. Jr. 1978. The relationships of the bee subfamily Ctenoplectrinae as revealed by its biology and mature larva (Apoidea: Melittidae).  Journal of the Kansas Entomological Society 51: 637-652. 

Rozen, J. G. Jr. 1983.  Nesting biology of the bee Svastra sabinensis (Hymenoptera, Anthophoridae).  Journal of the New York Entomological Society 91: 264-268. 

Rozen, J. G. Jr. 1984a.  Nesting biology of diphaglossine bees (Hymenoptera, Colletidae).  American Museum Novitates 2786: 1-33. 

Rozen, J. G. Jr. 1984b. Comparative nesting biology of the bee tribe Exomalopsini (Apoidea:  Anthophoridae).  American Museum Novitates 2798: 1-37. 

Rozen, J. G. Jr. 1985.  Evolutionary relationships of the bee subfamily Panurginae.  National Geographic Society Res. Rep. (1978 Projects) 19: 481-484. 

Rozen, J. G. Jr. 1986a. Survey of the number of ovarioles in various taxa of bees (Hymenoptera:  Apoidea).  Proceedings of the Entomological Society of Washington 88: 707-710. 

Rozen, J. G. Jr. 1986b. The natural history of the Old World nomadine parasitic bee Pasites maculatus (Anthophoridae:  Nomadinae) and its host Pseudapis diversipes (Halictidae:  Nomiinae).  American Museum Novitates 2861: 1-8. 

Rozen, J. G. Jr. 1987a. Nesting biology and immature stages of a new species in the bee genus Hesperapis (Hymenoptera:  Apoidea:  Melittidae: Dasypodinae).  American Museum Novitates 2887: 1-13. 

Rozen, J. G. Jr. 1987b. Nesting biology of the bee Ashmeadiella holtii and its cleptoparasite, a new species of Stelis (Apoidea: Megachilidae).  American Museum Novitates 2900: 1-10. 

Rozen, J. G. Jr. 1988a. Ecology, behavior, and mature larva of a new species of the Old World bee genus Camptopoeum (Andrenidae: Panurginae).  American Museum Novitates 2925: 1-12. 

Rozen, J. G. Jr. 1988b. [Review of] Immature insects, edited by F. W. Stehr.  Journal of the New York Entomological Society 96: 245-247. 

Rozen, J. G. Jr. 1989a. Two new species and the redescription of another species of the cleptoparasitic bee genus Triepeolus with notes on their immature stages (Anthophoridae:  Nomadinae).  American Museum Novitates 2956: 1-18. 

Rozen, J. G. Jr. 1989b. Morphology and systematic significance of first instars of the cleptoparasitic bee tribe Epeolini (Anthophoridae:  Nomadinae).  American Museum Novitates 2957: 1-19. 

Rozen, J. G. Jr. 1989c.  Life history studies of the "primitive" panurgine bees (Hymenoptera: Andrenidae: Panurginae).  American Museum Novitates 2962: 1-27. 

Rozen, J. G. Jr. 1990.  Pupa of the bee Pararhophites orobinus (Hymenoptera: Apoidea: Megachilidae).  Journal of the New York Entomological Society 98: 379-382. 

Rozen, J. G. Jr. 1991a. Nesting biology and mature larva of the bee Idiomelissodes duplocincta (Hymenoptera: Anthophoridae: Eucerini).  American Museum Novitates 3012: 1-11. 

Rozen, J. G. Jr. 1991b.  Evolution of cleptoparasitism in anthophorid bees as revealed by their mode of parasitism and first instars (Hymenoptera: Apoidea).  American Museum Novitates 3029: 1-36. 

Rozen, J. G. Jr. 1992a. Biology of the bee Ancylandrena larreae (Andrenidae: Andreninae) and its cleptoparasite Hexepeolus rhodogyne (Anthophoridae: Nomadinae) with a review of egg deposition in the Nomadinae (Hymenoptera: Apoidea).  American Museum Novitates 3038: 1-15. 

Rozen, J. G. Jr. 1992b. Systematics and host relationships of the cuckoo bee genus Oreopasites (Hymenoptera: Anthophoridae: Nomadinae).  American Museum Novitates 3046: 1-56. 

Rozen, J. G. Jr. 1993a. Phylogenetic relationships of Euherbstia with other short-tongued bees (Hymenoptera: Apoidea).  American Museum Novitates 3060: 1-17.  

Rozen, J. G. Jr. 1993b.  Nesting biologies and immature stages of the rophitine bees (Halictidae) with notes on the cleptoparasite Biastes (Anthophoridae) (Hymenoptera: Apoidea).  American Museum Novitates 3066: 1-28.  

Rozen, J. G. Jr. 1994a.  Biology and immature stages of some cuckoo bees belonging to Brachynomadini, with descriptions of two new species (Hymenoptera: Apidae: Nomadinae).  American Museum Novitates 3089: 1-23. 

Rozen, J. G. Jr. 1994b. Biologies of the bee genera Ancylandrena (Andrenidae: Andreninae) and Hexepeolus (Apidae: Nomadinae) and phylogenetic relationships of Ancylandrena based on its mature larva (Hymenoptera: Apoidea).  American Museum Novitates 3108: 1-19. 

Rozen, J. G. Jr. 1994c.  Book Review:  The Bee Genera of North and Central America (Hymneoptera: Apoidea).  Published in: Journal of the New York Entomological Society 102: 509-511. 

Rozen, J. G. Jr. 1995.  South American panurgine bees (Andrenidae: Panurginae), Part II.  Adults, immature stages, and biology of Neffapis longilingua, a new genus and species with an elongate glossa.  American Museum Novitates 3136: 1-15. 

Rozen, J. G. Jr. 1996a. First and last larval instars of the cleptoparasitic bee Hexepeolus rhodogyne (Hymenoptera: Apidae: Nomadinae).  Memoirs of the Entomological Society of Washington 16: 188-193. 

Rozen, J. G. Jr. 1996b. Phylogenetic analysis of the cleptoparasitic bees belonging to the Nomadinae based on mature larvae (Apoidea: Apidae).  American Museum Novitates 3180: 1-39. 

Rozen, J. G. Jr. 1997a. A new species of the bee Heterosarus from Dominican amber (Hymenoptera: Adrenidae: Panurginae). Journal of the Kansas Entomological Society 69: 346-352. 

Rozen, J. G. Jr. 1997b. Pupal description of Neopasites cressoni (Apidae: Nomadinae: Biastini).  Journal of the Kansas Entomological Society  70: 76-78. 

Rozen, J. G. Jr. 1997c. South American rophitine bees (Hymenoptera: Halictidae: Rophitinae).  American Museum Novitates 3206: 1-27. 

Rozen, J. G. Jr. 1997d. New taxa of brachynomadine bees (Apidae: Nomadinae).  American Museum Novitates 3200: 1-26. 

Rozen, J. G. Jr. 2000a. Pupal descriptions of some cleptoparasitic bees (Apidae), with a preliminary generic key to pupae of cleptoparasitic bees.  American Museum Novitates 3289: 1-19. 

Rozen, J. G. Jr. 2000b.  Systematic and geographic distributions of Neotropical cleptoparasitic bees, with notes on their modes of parasitism.  In M. M. G. Bitondi, K. Hartfelder et al. (ed.), An. IV Encontro sobre Abelhas. Ribeirăo Preto, Brazil

Rozen, J. G. Jr. 2001a. Taxonomic key to mature larvae of cleptoparasitic bees (Apoidea).  American Museum Novitates  3309: 1-27.  

Rozen, J. G. Jr. 2001b. Ovarioles and oocytes of two old world cleptoparasitic bees with biological notes on Ammobatoides (Apoidea: Apidae).  American Museum Novitates 3321: 1-9. 

Rozen, J. G. Jr. & R. Ayala,  1987.  Nesting biology of the squash bee, Peponapis utahensisJournal of the New York Entomological Society 95: 28-33. 

Rozen, J. G. Jr. & S. L. Buchmann,  1990.  Nesting biology & immature stages of the bees Centris caesalpiniae, C. pallida, and the cleptoparasite Ericrocis lata (Hymenoptera: Apoidea: Anthophoridae).  American Museum Novitates 2985: 1-30. 

Rozen, J. G. Jr. & G. C. Eickwort,  1997.  The entomological evidence.  Journal of the Forensic Sciences 42: 394-397. 

Rozen, J. G. Jr., K. R. Eickwort, & G. C. Eickwort,  1978.  The bionomics and immature stages of the cleptoparasitic bee genus Protepeolus (Anthophoridae, Nomadinae).  American Museum Novitates 2640: 1-24. 

Rozen, J. G. Jr. & Marjorie S. Favreau,  1967.  Biology notes on Dioxys pomonae pomonae and on its host, Osmia nigrobarbata (Hymenoptera: Megachilidae).  Journal of the New York Entomological Society 75: 197-203. 

Rozen, J. G. Jr. & Marjorie S. Favreau,   1968. Biological notes on Colletes compactus compactus and its cuckoo bee, Epeolus pusillus (Hymenoptera: Colletidae and Anthophoridae).  Journal of the New York Entomological Society 76: 106-111. 

Rozen, J. G. Jr. & N. R. Jacobson,  1980.  Biology and immature stages of Macropis nuda, including comparisons to related bees (Apoidea, Melittidae).  American Museum Novitates 2702: 1-11. 

Rozen, J. G. Jr. & C. D. MacNeill, 1957. Biological observations on Exomalopsis (Anthophorula) chionura Cockerell, including a comparison of the biology of Exomalopsis with that of other anthophorid groups.  Annals of the Entomological Society of America 50: 522-529. 

Rozen, J. G. Jr.  & R. J. McGinley,  1974a.  Phylogeny and systematics of Melittidae based on the mature larvae (Insecta, Hymenoptera, Apoidea).  American Museum Novitates 2545: 1-31. 

Rozen, J. G. Jr.  &  R. J. McGinley,  1974b. Systematics of ammobatine bees based on their mature larvae and pupae (Hymenoptera, Anthophoridae, Nomadinae).  American Museum Novitates 2551: 1-16. 

Rozen, J. G. Jr. & R. J. McGinley,  1976.  Biology of the Bee Genus Conanthalictus (Halictidae, Dufoureinae).  American Museum Novitates 2602: 1-6. 

Rozen, J. G. Jr. & R. J. McGinley,  1991. Biology and larvae of the cleptoparasitic bee Townsendiella pulchra and nesting biology of its host Hesperapis larreae (Hymenoptera: Apoidea).  American Museum Novitates 3005: 1-1. 

Rozen, J. G. Jr. & N. R. Jacobson, 1980.  Biology and immature stages of Macropis nuda, including comparisons to related bees (Apoidea, Melittidae).  American Museum Novitates 2702: 1-11. 

Rozen, J. G. Jr. & C. D. Michener, 1968. The biology of Scrapter and its cuckoo bee, Pseudodichroa (Hymenoptera: Colletidae and Anthophoridae).  American Museum Novitates 2335: 1-13. 

Rozen, J. G. Jr. & C. D. Michener, 1988. Nests and immature stages of the bee Paratetrapedia swainsonae (Hymenoptera:  Anthophoridae).  American Museum Novitates 2909: 1-13. 

Rozen, J. G. Jr. & A. Roig-Alsina,  1991.  Biology, larvae, and oocytes of the parasitic bee tribe Caenoprosopidini (Hymenoptera: Anthophoridae: Nomadinae).  American Museum Novitates 3004: 1-10. 

Rozen, J. G. Jr., A. Roig-Alsina & B. A. Alexander,  1997.  The cleptoparasitic bee genus Rhopalolemma, with reference to other Nomadinae (Apidae) and biology of its host Protodufourea (Halictidae: Rophitinae).  American Museum Novitates  3194: 1-28. 

Rozen, J. G. Jr. &  B. L. Rozen,  1966.  Mature larvae of the Old World bee genus Panurgus (Hymenoptera, Apoidea).  Journal of the New York Entomological Society 74: 92-94. 

Rozen, J. G. Jr. & B. L. Rozen,  1986.  Bionomics of crepuscular bees associated with the plant Psorothamnus scoparius (Hymenoptera: Apoidea).  Journal of the New York Entomological Society 94: 472-479. 

Rozen, J. G. Jr. &  L. Ruz, 1995.  South American panurgine bees (Andrenidae: Panurginae), Part II.  Adults, immature stages and biology of Neffapis longilingua, a new genus and species with an elongate glossa.  American Museum Novitates 3136: 1-15. 

Rozen, J. G. Jr. & R. R. Snelling,  1986.  Ethology of the bee Exomalopsis nitens and its cleptoparasite (Hymenoptera:  Anthophoridae).  Journal of the New York Entomological Society 94: 480-488. 

Rozen, J. G. Jr. & A. Ugarte-Peńa,  2000.  Notes on the seasonality, geographic distribution, and floral preferences of the bee Alocandrena porteri (Hymenoptera: Andrenidae).  Journal of the Kansas Entomological Society 72: 335-338. 

Rozen, J. G. Jr. & D. Yanega,  1999.  Nesting biology and immature stages of the South American bee genus Acamptopoeum (Hymenoptera: Andrenidae: Panurginae). Special Publication, University of Kansas Natural History Museum 24: 59-76. 

Rúa, P. de la, J. Galián, J. Serrano & R. F. A. Moritz, 2001.  Molecular characterization and population structure of honeybees from the Balearic islands (Spain). Apidologie 32(5): 417-429.  

Rua, P. de la, J. Galian, J. Serrano & R. F. A. Moritz, 2003. Genetic structure of Balearic honey bee populations based on microsatellite polymorphism. Genetics, Selection, Evolution 35(3): 339-350.

Rua, P. de la, J. Serrano & J. Galian, 2002. Biodiversity of Apis mellifera populations from Tenerife (Canary Islands) and hybridisation with East European races. Biodiversity and Conservation 11(1): 59-67.

Rubink, W. L., B. M. Delfinado, W. T. Wilson, Gonzalez  G. L. de &  C. Gonzalez, 1991.  A phoretic uropodid mite associated with honey bee swarms of northeastern MexicoInternational Journal of Acarology  17(4): 259-264. 

Rubink, W. L., P. Leuvano-Martinez, E. A. Sugden, W. T. Wilson & A. M. Collins, 1996. Subtropical Apis mellifera (Hymenoptera: Apidae) swarming dynamics and Africanization rates in northeastern Mexico and south Texas. Annals of the Entomological Society of America 89(2): 243-251.  

Rubink, W. L., D. L. Maki & W. T. Wilson, 1987. Effect of refrigeration on tracheal mite infestations in honey bee colonies. American Bee Journal 127(12): 850-851.

Rubink,  W.  L.,   W.  T.  Wilson,   B.  J.  J.  Resendez   &   D.  L.  Maki,   1988.  Biological characterization of pre-Africanized honey-bee swarms in northeast Mexico and south TexasAmerican Bee Journal 128(12): 807-808. 

Rubink, W. L., W. T. Wilson,  B. J. J. Resendez  & D. L. Maki, 1990. Pre- Africanized Apis mellifera (Hymenoptera: Apidae) swarming dynamics in northeastern Mexico and southern Texas (USA). Journal of the Kansas Entomological Society  63(2): 288-297.

Rubin-Reyes, M. & C. R. Cervancia, 1999. Floral visitors and pollination of Chinese mustard, Brassica campestris L. Philippine Journal of Science 128(1): 31-37.

Rubis, D. D. 1970. Bee-pollination in the production of hybrid safflower. In: The Indispensable Pollinators. Ark. Agr. Ext. Serv. Misc. Pub. No. 127, pp. 43-49. 

Rudnev, V. Z. 1941. [A new method of utilization of bees for pollinating lucerne.] Sozialisticheskaya Zernovoye Khog. 2: 141-144. Krasnodar out-station, Institute of Agriculture. [In Russian.] 

Rudow, F. 1872. [Notes on the habits of Apidae in Lower-Harz district.].  Stettiner entomologische Zeitung (Dohrn : Stettin) 33: 414-429.

Rueppell, O., E. Hunggims & S. Tingek, 2008. Association between larger ovaries and pollen foraging in queenless Apis cerana workers supports the reproductive ground-plan hypothesis of social evolution. Journal of insect behavior 21(4): 317-321. [Electronic Resource: http://dx.doi.org/10.1007/s10905-008-9135-2].

Ruffinengo, S. R., M. J. Eguaras, D. Cora, E. Rodriguez, E. Bedascarrasbure, P. N. Bailac & M. I. Ponzi, 2002. Biological activity of Heterotheca latifolia essential oil against Varroa jacobsoni. Journal of Essential Oil Research 14(6): 462-464.

Ruffinengo, S., M. Eguaras, I. Floris, C. Faverin, P. Bailac & M. Ponzi, 2005. LD₅₀ and repellent effects of essential oils from Argentinian wild plant species on Varroa destructorJournal of economic entomology 98(3): 651-655.

Ruhren, S. & S. N. Handel, 2003. Herbivory constrains survival, reproduction and mutualisms when restoring nine temperate forest herbs. Journal of the Torrey Botanical Society 130(1): 34-42.

Ruijter, A. de 2000. Nosemosis of bees. Pp. 793-795. In: Manual of standards for diagnostic tests and vaccines. List A and B diseases of mammals, birds and bees. France, Office International des Epizooties. Ed.4.

Rundlöf, M., H. Nilsson & H. G. Smith, 2008. Interacting effects of farming practice and landscape context on bumble bees. Biological Conservation 141(2): 417-426. [Electronic Resource: http://dx.doi.org/10.1016/j.biocon.2007.10.011].

Ruschen, J. 2001.  Take heed of thy bees. American Bee Journal  November, 2001: 808-809. 

Rusig, A., R. H. Nogueira-Couto & L. A. Couto, 2002. The queen excluder in honey production and longevity of workers in beehives of workers in beehives of Apis mellifera. Ciencia Rural 32(2): 329-334.

Russell, K. D. & B. H. Sonntag, 1973.  Alfalfa seed production.  Canad. Farm. Econ. 8(1): 8-13. 

Russell, K. M., P. C. Molan, A. L. Wilkins & P. T. Holland, 1988. The identification of some antibacterial constituents of New Zealand Manuka honey. Journal of Agricultural and Food Chemistry 38: 10-13. 

Rust, R. W. 1974. The systematics and biology of the genus Osmia, subgenera Osmia, Chalcosmia, and Cephalosmia (Hymenoptera: Megachilidae).  Wasmann Journal of Biology 32(1): 1-93. 

Rust, R. W. 1976. Notes on the biology of North American species of Panurginus (Hymenoptera: Andrenidae).  Pan-Pacific Entomologist 52(2): 159-166. 

Rust, R. W. 1977a. Pollination in Impatiens capensis and Impatiens pallida (Balsaminaceae). Bulletin of the Torrey Botanical Club 104(4): 361-367.   

Rust,  R.  W.  1977b. Pollinator service in sympatric species of jewelweed (Impatiens: Balsaminaceae). Journal of the New York Entomological Society 85(4): 234-239.   

Rust, R. W.  1979.     Pollination of Impatiens capensis: pollinators and nectar robbers. Journal of the Kansas Entomological Society 52(2): 297-308.   

Rust, R. W. 1980a.  Nesting biology of Hoplitis biscutellae (Cockerell) (Hymenoptera: Megachilidae).  Entomological News 91(4): 105-109. 

Rust, R. W. 1980b.  The biology of Ptilothrix bombiformisJournal of the Kansas Entomological Society 53(2): 427-436. 

Rust,  R. W.  1980c.  Pollen movement and reproduction in Arisaema triphyllum. Bulletin of the Torrey Botanical Club 107(4): 539-542.   

Rust, R. W. 1984. Synonymy in California Channel Island epeolini bees (Hymenoptera: Anthophoridae). Pan-Pacific Entomologist 60(2): 119-121.  

Rust, R. W. 1986.  Biology  of Osmia (Osmia) ribifloris Cockerell (Hymenoptera: Megachilidae).  Journal of the Kansas Entomological Society 59(1): 89-94. 

Rust, R. W.  1987. Collecting of Pinus (Pinaceae) pollen by Osmia bees (Hymenoptera: Megachilidae). Environmental Entomology 16(3): 668-671.  

Rust, R. W. 1988.  Biology of Nomadopsis larreae (Hymenoptera, Andrenidae), with an analysis of yearly appearance.  Annals of the Entomological Society of America 81(1): 99-104. 

Rust, R. W.  1990.  Spatial and temporal heterogeneity of pollen foraging in Osmia propinqua (Hymenoptera: Megachilidae).  Environmental Entomology 19(2): 332-338. 

Rust, R. W. 1991.      Size-weight relationships in Osmia lignaria propinqua Cresson (Hymenoptera: Megachilidae). Journal of the Kansas Entomological Society 64(2): 174-178.  

Rust, R. W. 1993. Cell and nest construction costs in two cavity-nesting bees (Osmia lignaria propinqua and Osmia ribifloris biedermannii) (Hymenoptera, Megachilidae). Annals of the Entomological Society of America 86(3): 327-332.  

Rust, R. W. 1998. The effects of cavity diameter and length on the nesting biology of Osmia lignaria propinqua Cresson (Hymenoptera: Megachilidae). Journal of Hymenoptera Research 7(1): 84-93.

Rust, R. W. 2003. Horned lark (Eremophila alpestris L.) predation on alkali bees, Nomia melanderi Cockerell. Western North American Naturalist 63(2): 224-228.  

Rust, R. W. & G. Bohart, 1986.  New species of Osmia (Hymenoptera, Megachilidae) from the southwestern United StatesEntomological News 97(4): 147-155. 

Rust, R. W. &  S. L. Clement, 1972.  The biology of Osmia glauca and Osmia nemoris (Hymenoptera: Megachilidae).  Journal of the Kansas Entomological Society 45(4): 523-528. 

Rust, R. W. & S. L. Clement,  1977. Entomophilous pollination of the self compatible species Collinsia sparsiflora Fisher and Meyer. Journal of the Kansas Eantomological Society 50(1): 37-48.

Rust, R. [W.], A. Menke & D. Miller, 1985.  A biogeographic comparison of the bees, sphecoid wasps and mealybugs of the California Channel Islands (Hymenoptera, Homoptera). In: A. S. Menke & D. R. Miller (eds.), Entomology of the California Channel Islands. Proceedings of the First Symposium, Santa Barbara Museum of Natural History, pages 29-59. 

Rust, R. W., C. E. Mason & E. H. Erickson, 1980. Wild bees on soybeans, Glycine max. Environmental Entomology 9(2): 230-232.

Rust, R. W.  &  R. W. Thorp,  1973.  The biology of Stelis chlorocyanea, a parasite of Osmia nigrifrons (Hymenoptera: Megachilidae).  Journal of the Kansas Entomological Society 46(4): 548-562. 

Rust, R. W., R. W. Thorp & P. F. Torchio, 1974.  The ecology of Osmia nigrifrons with a comparison to other species of AcanthosmioidesJournal of Natural History 8(1): 29-47. 

Rust, R. W. & P. F. Torchio, 1991. Induction of Ascosphaera (Ascomycetes: Ascosphaerales) infections in field populations of Osmia lignaria propinqua Cresson (Hymenoptera: Megachilidae). Pan-Pacific Entomologist 67(4): 251-257.  

Rust, R. [W.], P. Torchio & L. Trostle, 1989.  Late embryogenesis and immature development of Osmia rufa cornigera (Rossi) (Hymenoptera, Megachilidae). Apidologie 20(4): 359-367.

Rust, R. W., B. E. Vaissiere  P. Westrich, 2003. Pollinator biodiversity and floral resource use in Ecballium elaterium (Cucurbitaceae),  Mediterranean endemic. Apidologie 34(1): 29-42. 

Ruszkowski, A. 1961.  Trzmiele a problem podwyższenia plonów lucerny nasiennej.  Pol. Pismo Entomol. Ser. B. t. ˝ (21/22), zesz.11: 91-94.  

Ruszkowski, A. 1968. Oblot lucerny przez trzmiele. –Pamietnik Pulawski – Prace Inst. Uprawy Nawoż. i Glebozn. zesz. 31: 189-199. 

Ruszkowski, A. 1969.  Skĩad gatunkowy trzmielli –Bombus Latr. (Hym., Apidae) oblatujących dziko rosnące rósliny motylkowe.  Pol. Pismo Entomol. 39(1): 147-157. 

Ruszkowski, A. 1970.  Food plants of the bumblebee species of subgenera Pratobombus Vogt, and Soroeensibombus Vogt. Pol. Pismo Entomol. 40: 191-209. 

Ruszkowski, A. 1973. Znaczenie taśmy pokarmowej dla podniesienia liczebności trzmieli zapylających lucernę. Zesz. Probl. Postępów Nauk. Roln. zesz. 131: 171-176. 

Ruszkowski, A., M. Biliński, J. Gosek, et. Al. 1980. Rośliny wykorzystywane przez miesiarki (Megachile Latr.). Pszszel. Sesz. Nauk. Odd. Pszoczel. Puławach. Inst. Sad. i. Kwiaciar. 24: 97-112. 

Rutledge, A. D. 1988.  The importance of honey bees to Tennessee agriculture. Tenn.  Bee-Line 4: 4-5. 

Rutowski, R. L. & J. Alcock,  1980.  Temporal variation in male copulatory behaviour in solitary bee Nomadopsis puellae (Hymenoptera: Andrenidae).  Behaviour 73(3/4): 175-188. 

Ruttner, F. 1952.  Alter und Herkunft der Bienenrassen Europas. Österr. Imkerei, Wien 2: 8-12. 

Ruttner, F. 1966. The life and flight activity of drones. Bee World 47: 93-100.

Ruttner, F. 1968. Intraracial selection of race-Hybrid breeding of honey bees. Am. Bee J. 108: 394-396.

Ruttner, F. 1972a. The bee of tomorrow and its development. Apiacta 7(3): 97-98. 

Ruttner, F. (Editor). 1972. Controlled mating and selection of the honey bee. Apimondia, Bucharest , Romania

Ruttner, F. 1973a. Apis mellifera adansonii bee. Apiacta 8(3): 108.   

Ruttner, F. 1973b. Drones of Apis cerana at a congregation area. Apidologie 4(1): 41-44. 

Ruttner, F. 1973. Regulation of honeybee import. Allgemeine Deutsche Imkerzeitung 7(4): 88-89. 

Ruttner, F. 1973c. Results of research of the latest 25 years in the area of mating and collecting places of drones. Bienenvater 94(1): 8-11. 

Ruttner, F. 1973d. Standing up for the hornet, the royal animal. Biene 109(5): 135-136. 

Ruttner, F. 1974a. Importance of breeding in modern apiculture. Nordwestdtsch. Imkerztg. 26(8): 231-234. 

Ruttner, F. 1974b. Importance of breeding in modern apiculture: Breeding problems, selection, breeding technique. Nordwestdtsch. Imkerztg. 26(6): 171-173.  

Ruttner, F. 1974c. Importance of breeding in modern apiculture: Breeding problems, selection, technique. Nordwestdtsch. Imkerztg. 26(7): 202-205.   

Ruttner, F. 1975a. A bee race named for Brother Adam: the Cretan bee, Apis mellifera adami. Allgemeine Deutsche Imkerzeitung 9(10): 271-272. 

Ruttner, F. 1975b. A metatarsal adhesive organ of drones of the genus Apis (Hymenoptera: Apidae). Entomol. Ger. 2(1): 22-29.

Ruttner, F. 1975c. African bees in South America. Biene 111(11): 324-327. 

Ruttner, F. 1975d. Apiculture in the past and present in Crete--model of a successful development project. Apiacta 11(4): 187-191.

Ruttner, F. 1975e. The Carniolan beekeeper's system of management. Imkerfreund 30(1): 16-19. 

Ruttner, F. 1976a. Apiculture from wild invertebrate to domestic animals. Bienenwelt 18(11): 215-218. 

Ruttner, F. 1976b. Apiculture in the German Federal Republic--a sober survey. Allgemeine Deutsche Imkerzeitung 10(9): 333-336, 338-342.  

Ruttner, F. 1976c. Inseminated queens in a performance test. Imkerfreund 31(11): 351-353.

Ruttner, F. 1976. The instrumental insemination of the queen bee. Apimondia, Bucharest, Romania.

Ruttner, F. 1977. A skep (Straw Beehive) from the North Sea Coast from the prehistoric age. Allgemeine Deutsche Imkerzeitung 9: 257-263. 

Ruttner, F. 1978. Development of Carniolan breeding. Bienenvater 99(11): 309-311. 

Ruttner, F. 1979. A skep (Straw Beehive) from the North Sea coast in prehistoric time. Bienmus Gesichte Bienzucht Mus. Hist. Apic. 1977: 109-119. 

Ruttner, F. 1980. Apis mellifera adami (n. ssp.), the Cretan honeybee. Apidologie 11(4): 385-400.  

Ruttner, F. 1982a. Significance of apiculture in the natural culture, economy and folklore at present. Allgemeine Forstzeitschrift 37(31): 922-923.   

Ruttner, F. 1982b. The honeybee in its environment. Allgemeine Deutsche Imkerzeitung 16(10): 297-300. 

Ruttner, F. 1984. The old story of the "best honeybee".  Allgemeine Deutsche Imkerzeitung 18(5): 156-158.

Ruttner, F. 1987a. Biogeography and Taxonomy of Honeybees.  xii + 284 pp. Springer, Berlin.

Ruttner, F. 1987b. Principles of geographic variation in honey bees. Almond-Facts. California Almond Growers Exchange, Sacramento, Calif. 1987,  52(1): 31. Also in: Needham, G.R. (ed.) 1988. Africanized honey bees and bee mites. E. Horwood, Chichester, West Sussex, England.

Ruttner, F. 1988a. Breeding techniques and selection for breeding of the honeybee. British Isle Bee Breeder's Assn.

Ruttner, F. 1988b.  Biogeography and taxonomy of honeybees.  Springer Verlag, Berlin.

Ruttner, F. 1991. Biometrical control of breeding. Journal of Apicultural Research 30(2): 113-114.

Ruttner, F., M. Pour Elmi & S. Fuchs, 2000. Ecoclines in the Near East along 36°N latitude in Apis mellifera L. Apidologie 31(2): 157-166.

Ruttner, F., H. Enbergs & S. Kriesten,  1971.  The fine structure of honey bee queen spermatheca (Apis mellifera).  Apidologie 2(2): 67-97. 

Ruttner, F. & H. Hanel, 1992. Active defense against Varroa mites in a Carniolan strain of honeybee. Apidologie 23: 173-187.

Ruttner, F. & N. Koeniger, 1976. Queen substance bei eierlegenden Arbeiterinnen der Honigbiene (Apis mellifica L.). Naturwissenschaften 63(9): 434.  

Ruttner, F. & N. Koeniger, 1979. Experiments to eliminate Varroa mites by biological methods. Apiacta 114(4): 159-160, 163. 

Ruttner, F. & N. Koeniger, 1980a. A biological method for eliminating Varroa mites from honeybee colonies. Allgemeine Deutsche Imkerzeitung 114(1): 11-12. 

Ruttner, F. & N. Koeniger, 1980b. Experiences for eliminating Varroa mites by biological methods. Gaceta del Colmenar 42(12): 551-552, 554. 

Ruttner, F. & O. Mackensen, 1952. The genetics of the honey bee. Bee World 33: 53-62 & 71-79.

Ruttner, F. & V. Maul, 1983. Experimental analysis of reproductive interspecies isolation of Apis mellifera L. and Apis cerana Fabr. Apidologie 14(4): 309-327.  

Ruttner, F. & H. Ruttner, 1976. Late summer brood in colonies of varied origin and its dependence on environmental conditions. Allgemeine Deutsche Imkerzeitung 10(11): 417-421. 

Ruttner, F., L. Tassencourt & J. Louveaux, 1978. Biometrical-statistical analysis of the geographic variability of Apis mellifera L. I. Material and methods. Apidologie 48(1): 363-381.  

Ruttner, F., J. Woyke, & N. Koeniger &, 1972.  Reproduction in Apis cerana 1. Mating behaviour. Journal of Apicultural Research 11(3): 141-146.

Ruttner, F., J. Woyke, & N. Koeniger, 1973 Reproduction in Apis cerana 2. Reproductive organs and natural insemination. Journal of Apicultural Research 12(1): 21-34.

Ruttner, F. D. P. & D. Kauhausen, 1985a.  The honey bees of Iran. 1. Apis florea. Apidologie 16(2): 119-138. [In German with Fr. & Eng. Summary.].

Ruttner, F. D. P. & D. Kauhausen, 1985b.  The honey bees of Iran. 2. Apis mellifera. Apidologie 16(3): 241-264. [In German with Fr. & Eng. Summary.].

Ruttner, H. 1972a. The beekeeper-bee-technique coalition. Allgemeine Deutsche Imkerzeitung 6(8): 194-196.  

Ruttner, H. 1972b. The development and activity of the Lunz outdoor place of the Federal Institute for Honey Bee Information. Bienenvater 93(8/9): 241-244.  

Ruttner, H. 1973. Honeycomb from plastic. Bienenvater 94(10): 281-282.  

Ruttner, H. 1974.       Drone congregation places - an example of mating behavior in insects. Anz. Schadlingskd Pflanzenschutz 47(3): 39-41.  

Ruttner, H. 1976. Investigations on the flight activity and the mating behavior of drones. vI. flight on and over mountain ridges. Apidologie 7(4): 331-341.  

Ruttner, H. 1977. Late summer brood in colonies of varied origin and its dependence on environmental conditions. Bienenvater 98(3): 67-72.  

Ruttner, H. 1978a. Control of Nosema disease. Bienenwelt 20(11): 231-233. 

Ruttner, H. 1978b. Wintering of reserve queens. Bienenvater 99(8): 231-233. 

Ruttner, H. 1979. The value of the Carniolan honeybee for commercial beekeeping. Bienenvater 100(5): 136-139.

Ruttner, H. & F. Ruttner, 1972a. Drone congregation areas and mating places. Pp. 431-432. In: Proceedings of the 23rd International Apicultural Congress, Moscow [1971]. 

Ruttner, H. & F. Ruttner, 1972b. Investigations of the flight activity and the mating behavior of drones. V. Drone congregation areas and mating distance. Apidologie 3(3): 203-232. 

Ruvolo, M. C. C., C. Cruz-Landim da & R. L. M. Silva de Moraes, 1991. Caste determination in Melipona quadrifasciata anthidioides Lep.(Hymenoptera, Apidae): segregation of corpora allata size in pupae. Naturalia 16: 147-154.

Ruz, L. 1980.  Pseudosarus, nuevo genero de Panurginae Chileo.  Revista Chilena de Entomologia 10: 25-28.

Ruz, L. 1986.  Classification and phylogenetic relationships of the panurgine bees. Ph.D. Thesis, University of Kansas, Lawrence. iii + 312 pp.

Ruz, L. 1990.  Redefinición del género Xenopanurgus (Hymenoptera, Andrenidae) y descripción de una nueva especie de México.  Folia Entomologica Mexicana 79: 151-162.

Ruz, L. 1991. Classification and phylogenetic relationships of the panurgine bees: The Calliopsini and allies.  University of Kansas Science Bulletin 54: 209-256.

Ruz, L. & R. Herrera, 2001. Preliminary observations on foraging activities of Bombus dahlbomii and Bombus terrestris (Hymenoptera: Apidae) on native and non-native vegetation in Chile. Acta Horticulturae No. 561: 165-169.

Ruz, L. & J. G. Rozen Jr., 1993.  South American panurgine bees (Apoidea: Andrenidae: Panurginae), Part I.  Biology, mature larva, and description of a new genus and species. American Museum Novitates 3057: 1-12.

Ruz, L. &  H. Toro, 1983.  Revision of the bee genus Liphanthus University of Kansas Science Bulletin 52: 235-299.

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Ryan, R. O., J. O. Schmidt & J. H. Law, 1984b. Chemical and immunological properties of Lipophorins from seven insect orders. Archives of Insect Biochemistry and Physiology 1: 375‑383. 

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Rybak, J. & R. Menzel, 1993. Anatomy of the mushroom bodies in the honey bee brain: the neuronal connections of the alpha-lobe. J. Comp. Neurol. 334: 444-465.

Rybak, J. & R. Menzel, 1998. Integrative properties of the Pe1 neuron, a unique mushroom body output neuron. Learning and Memory 5(1): 133-145.

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Ryzhova, I. V., N. G. Lopatina, E. G. Tczesnokova & J. Woyke, 2001. Ionotropic glutamate receptors of the honeybee (Apis mellifera L.) under conditions of kynurenine deficit. Proceedings of the European Section of IUSSI, Berlin: 124.

 

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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

 

 

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