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David Roubik

Roubik, David Ward and Ackerman, James D. 1987. "Long Term Ecology of Euglosine Orchid-Bees in Panamá." Oecologia, 73, (3) 321–333.
Roubik, David Ward, Smith, B. H., and Carlson, R. G. 1987. "Formic Acid in Caustic Cephalic Secretions of Stingless Bee, Oxytrigona (Hymenoptera: Apidae)." Journal of chemical ecology, 13, (5) 1079–1086.
Snow, Alison A. and Roubik, David Ward. 1987. "Pollen Deposition and Removal by Bees Visiting Two Tree Species in Panamá." Biotropica, 19, (1) 57–63.
Roubik, David W. 1986. "Long-term consequences of the African honey bee invasion: implications for the United States." from Proceedings of the Africanized honey bee symposium. 46–50.
Roubik, David Ward, Moreno, Jorge Enrique, Vergara, Carlos, and Wittmann, Dieter. 1986. "Sporadic food competition with the African honey bee: projected impact on neotropical social bees." Journal of Tropical Ecology, 2, (2) 97–111.
Waddington, Keith D., Herbst, Lawrence H., and Roubik, David Ward. 1986. "Relationship Between Recruitment Systems of Stingless Bees and Within-Nest Worker Size Variation." Journal of the Kansas Entomological Society, 59, (1) 95–102.
Wolda, Hendrik and Roubik, David Ward. 1986. "Nocturnal bee abundance and seasonal bee activity in a Panamanian forest." Ecology, 67, (2) 426–433.
Blomquist, Gary J., Roubik, David Ward, and Buchmann, Stephen L. 1985. "Wax chemistry of two stingless bees of the Trigonisca group (Apidae: Meliponinae)." Comparative biochemistry and physiology, 82B, (1) 137–142.
Gilliam, Martha, Buchmann, Stephen L., Lorenz, Brenda J., and Roubik, David Ward. 1985. "Microbiology of the larval provisions of the stingless bee, Trigona hypogea, an obligate necropage." Biotropica, 17, (1) 28–31.
Roubik, David Ward, Holbrook, N. M., and Parra V., German. 1985. "Roles of nectar robbers in reproduction of the tropical treelet Quassia amara (Simaroubaceae)." Oecologia, 66 161–167.
Roubik, David Ward, Sakagami, Shoichi F., and Kudo, Iwao. 1985. "A note on distribution and nesting of the Himalayan honey bee Apis laboriosa Smith (Hymenoptera: Apidae)." Journal of the Kansas Entomological Society, 58, (4) 746–749.
Roubik, David Ward and Buchmann, Stephen L. 1984. "Nectar selection by Melipona and Apis mellifera (Hymneoptera: Apidae) and the ecology of nectar intake by bee colonies in a tropical forest." Oecologia, 61, (1) 1–10.
Roubik, David Ward and Michener, Charles D. 1984. "Nesting biology of Crawfordapis in Panama (Hymenoptera, Colletidae)." Journal of the Kansas Entomological Society, 57, (4) 662–671.
Roubik, David Ward and Reyes, Francisco. 1984. "African honey bees have not brought acarine mite infestations to Panama." American Bee Journal, 124, (9) 665–667.
Roubik, David Ward, Schmalzel, Robert J., and Moreno, Jorge Enrique. 1984. Estudio apibotánico de Panamá: Cosecha y fuentes de polen y nectar usados por Apis mellifera y sus patrones estacionales y anuales. Panamá: Organismo Internacional Regional de Sanidad Agropecuaria - OIRSA. In Boletín Técnico.
Brooks, Robert W. and Roubik, David Ward. 1983. "A Halictine bee with distinct castes: Halictus hesperus (Hymenoptera: Halictidae) and its bionomics in Central Panama." Sociobiology, 7, (3) 263–282.
Delfinado-Baker, M., Baker, E. W., and Roubik, David Ward. 1983. "A new genus and species of Hypoaspidinae (Acari: Laelapidae) from nests of stingless bees." International Journal of Acarology, 9, (4) 195–203.
Roubik, David Ward. 1983. "Nest and colony characteristics of stingless bees from Panama (Hymenoptera: Apidae)." Journal of the Kansas Entomological Society, 56, (3) 327–355.
Roubik, David Ward. 1983. "Experimental community studies: time-series tests of competition between African and neotropical bees." Ecology, 64, (5) 971–978.
Roubik, David Ward and Aluja, S. M. 1983. "Flight ranges of Melipona and Trigona in tropical forest." Journal of the Kansas Entomological Society, 56, (2) 217–222.
Roubik, David Ward and Peralta, Francisco Javier Aquilera. 1983. "Thermodynamics in nests of two Melipona species in Brasil." Acta Amazonica, 13, (2) 453–466.
Smith, B. H. and Roubik, David Ward. 1983. "Mandibular glands of stingless bees (Hymenoptera: Apidae): chemical analysis of their contents and biological function in two species of Melipona." Journal of chemical ecology, 9, (11) 1465–1472.
Roubik, David Ward. 1982. "Seasonality in colony food storage, brood production and adult survivorship: studies of Melipona in tropical forest (Hymenoptera: Apidae)." Journal of the Kansas Entomological Society, 55, (4) 789–800.
Roubik, David Ward. 1982. "Obligate Necrophagy in a Social Bee Trigona-Hypogea." Science, 217, (4564) 1059–1060.
Roubik, David Ward. 1982. "The ecological impact of africanized honeybees on native neotropical pollinators." In Social Insects in the Tropics I. Jaisson, P., editor. 233–245. Paris: Univ. Paris-Nord.
Roubik, David Ward, Ackerman, James D., Copenhaver, Christine, and Smith, Brian H. 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, David Ward and Wheeler, Quentin D. 1982. "Flightless beetles and stingless bees: phoresy of scotocryptine beetles (Leiodidae) on their meliponine (Apidae)." Journal of the Kansas Entomological Society, 55, (1) 125–135.
Roubik, David Ward. 1981. "A natural mixed colony of Melipona (Hymenoptera: Apidae)." Journal of the Kansas Entomological Society, 54, (2) 263–268.
Roubik, David Ward. 1981. "Comparative foraging behavior of Apis mellifera and Trigona corvina (Hymenoptera: Apidae) on Baltimora recta (Compositae)." Revista de Biología Tropical, 29, (2) 177–183.
Roubik, David Ward. 1980. "Foraging behavior of competing africanized honeybees and stingless bees." Ecology, 61, (4) 747–757.
Roubik, David Ward. 1980. "New species of Trigona and cleptobiotic Lestrimelitta from French Guiana (Hymenoptera: Apidae)." Revista de Biología Tropical, 28, (2) 263–269.
Roubik, David Ward and Michener, Charles D. 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) 56–60.
Roubik, David Ward. 1979. "Nest and colony characteristics of stingless bees from French Guiana (Hymenoptera: Apidae)." Journal of the Kansas Entomological Society, 52, (3) 443–470.
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