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| - Categoría:Listas bibliografía Categoría:Bibliografía 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 Brazil. Nature 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 Agapostemon. University 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 Asclepias. Botanical 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. 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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 Megachilidæ and Bombinæ. 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. 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