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1997
Scanning Electron and Light Microscope Studies of Pollens of Some Leguminosae, R. J. Adams and M. V. Smith; Journal of Apricultural Research
1996
Provisional rejection of three alternative hypotheses on the maintenance of a size dichotomy in males of Dawson's burrowing bee, Amegilla dawsoni (Apidae, Apinae, Anthophorini), John Alcock; Behav. Ecol. Sociobiol.
Mating Systems and Male Size in Australian Hylaeine Bees, John Alcock and Terry F. Houston; Ethology
Comparative Morphology of the Female Reproductive System of Nomadine Bees (Hymenoptera: Apidae: Nomadinae), Byron A. Alexander; Memoirs of the Entomological Society of Washington
The Explosive Floral-mechanism and Pollination in the Genus Hyptis (Lamiaceae), Raju J S Aluri and C Subba Reddi; Proc. Indian natn. Sci. Acad.
1995
Explosive Pollen Release and Pollination in Flowering Plants, Raju J S Aluri and C Subba Reddi; Proc. Indian natn. Sci. Acad.
1994
Habitat Fragmentation, Native Insect Pollinators, and Feral Honey Bees in Argentine "Chaco Serrano", Marcelo A. Aizen and Peter Feinsinger; Ecological Applications
Pollination of Apocynaceae, P. Albers and L. J.G. van der Maesen; Wageningen Agric. Univ. Papers
Species-Groups and Cladisitic Analysis of the Cleptoparasitic Bee Genus Nomada (Hymenoptera: Apoidea), Byron A. Alexander; The University of Kansas Science Bulletin
A Catalog of the Species of Nomada (Hymenoptera: Apoidea) of the World, Byron A. Alexander and Maximillian Schwarz; The University of Kansas Science Bulletin
1993
Energy Intake and Expenditure in Alfalfa Pollinating Bee Megachile femorata (Hymenoptera: Megachilidae), D. P. Abrol; Tropical Ecology
Nesting Biology of Glenostictia pictifrons (F. Smith) (Hymenoptera: Sphecidae: Bembicini), Byron A. Alexander, Robert L. Minckley, and Douglas Yanega; Journal of the Kansas Entomological Society
The Nest, Prey, and Larva of Entomosericus kaufmani Radoszkowski (Hymenoptera: Sphecidae), Vladimir L. Kazenas and Byron A. Alexander; J. Hym. Res.
1992
Pollination of Australian Orchids by Trigona (Tetragona) Jurine Bees (Hymenoptera: Apidae), P. B. Adams, T. Bartareau, and K. L. Walker; Aust. Ent. Mag.
A cladisitic analysis of the subfamily Philanthinae (Hymenoptera: Sphecidae), Byron A. Alexander; Systematic Entomology
An Exploratory Analysis of Cladistic Relationships within the Superfamily Apoidea, with Special Reference to Sphecid Wasps (Hymenoptera), Byron A. Alexander; J. Hym. Res.
1991
Conservation of Pollinators for Promotion of Agricultural Production in India, D. P. Abrol; J. Anim. Morphol. Physiol.
A Cladistic Analysis of the Genus Apis, Byron Alexander; Diversity in the Genus Apis
Phylogenetic Analysis of the Genus Apis (Hymenoptera: Apidae), Byron Alexander; Annals of the Entomological Society of America
1990
Energetics of Nectar Production in some Apple Cultivars as a Predictor of Floral Choice by Honeybees, D. P. Abrol; Tropical Ecology
Studies on the Pollen Loads and Pollination Efficiency of Some Bees, D. P. Abrol; J. Anim. Morphol. Physiol.
A cladistic analysis of the nomadine bees (Hymenoptera: Apoidea), Byron Alexander; Systematic Entomology
A Preliminary Phylogenetic Analysis of Sphecid Wasps and Bees, Byron Alexander; Sphecos
1989
Fenologia Das Abelhas Visitantes De Murici (Byrsonima Crassifolia, Malpighiaceae), Patricia M.C. Albuquerque and Marcia Maria C. Rego; Mus. Para. Emflio Geoldi, ser. Zool.
Pollination Biology of Calotropis procera subsp. hamiltonii (Asclepiadaceae), Tahir Ali and Syed Irtifaq Ali; Phyton
ЗООГЕОГРАФИЧЕСКИЕ КОМПЛЕКСЫ ПЧЕЛИНЫХ (HVMENOPTERA, APOIDEA) МАЛОГО КАВКАЗА В ПРЕДЕЛАХ АЗЕРБАЯДЖАНА, Х. A. АЛИЕВ
1988
Effect of climatic factors on pollination activity of alfalfa-pollinating subtropical bees Megachile nana Bingh and Megachile falvipes Spinola (Hymenoptera: Megachilidae), D. P. Abrol; Acta Ecologica / Ecologica Generalis
Foraging Range of Alfalfa Pollinating Megachile Falvipes Spinola and Megachile Nana Bingh (Megachile: Hymenoptera), D. P. Abrol; J. Anim. Morphol. Physiol.
Pollination Studies in Crotalaria Juncea L., D. P. Abrol and R. P. Kapil; Science and Culture
Insect Foragers on Solanum Flowers in Australia, Gregory J. Anderson and David Symon; Annals of the Missuori Botanical Garden
1987
Activity Time Budgets and Pollination Potential of Apis cerana indica Workers, D. P. Abrol; Enviornment and Ecology
Ovaries, Ovarioles, and Oocytes in Parasitic Bees (Hymenoptera: Apoidea), Byron Alexander and Jerome G. Rozen Jr.; Pan-Pacific Entomologist
1986
Factors affecting pollination activity of Megachile Ianata lepel, D. P. Abrol and R. P. Kapil; Proc. Indian Acad. Sci. (Amin. Sci.)
Validation of Chill Unit and Flower Bud Phenology Models for 'Montmorency' Sour Cherry, J. L. Anderson, E. A. Richardson, and C. D. Kesner; Acta Horticulturae
1985
Longevity of Euglossine Bees, James D. Ackerman and Arlee M. Montalvo; Biotropica
Honeybee Research Programme, Rafiq Ahmad
Alfalfa Seed Production - Southern Great Plains, R. M. Ahring, T. L. Springer, O. R. Jones, J. F. Stritzke, and J. O. Moffett
The Significance of Post-insemination Display by Male Centris pallida (Hymenoptera: Anthophoridae), John Alcock and Stephen L. Buchmann; Z. Tierpsychol.
Sex Differentiation in Bees XXII Generalized Mahalanobis Distances Between Males and Females of the Stingless Bee, Miracema Gurgel de Almeida; Rev. Brasil. Genet.
1984
Floral biology and pollen viability of parental lines of onion hybrids, M. Ali, B. D. Dowker, L. Currah, and P. M. Mumford; Ann. Appl. Biol.
Duas Especies Novas De Trigona (S. Str.) (Apidae, Meliponinae) Da Regiao Neotropical, Maria Christina de Almeida; Dusenia
1983
A Device for Photographic Registration of Behavioural Events at Bee Nest Entrances, Hans Adin and Jan Tengo
Congruences in Pilosity between Three Species of Ophrys (Orichidaceae) and their Hymenopteran Pollinators, Lennart Agren, Bertil Kullenberg, and Terry Sensenbaugh
1982
Food-Foraging Behavior of Male Euglossini (Hymenoptera: Apidae): Vagabonds or Trapliners?, James D. Ackerman, Michael R. Mesler, Karen L. Lu, and Arlee M. Montalvo; Biotropica
Flagellar Sensilla of Sphecodes Bees (Hymenoptera, Halictidae), Lennart Agren and Bo G. Svensson; Zoologica Scripta
Gynandromorphs of Megachile Rotundata (Fab.) (Hymenoptera:Megachile), Roger D. Akre, E. Paul Catts, Richard S. Zack, and E. C. Klostermeyer; Entomological News
Observations en himenopteros cubanos., Rafael Alayo Soto; Poeyana
Thrips and Pollination Biology, T N. Ananthakrishnan; Current Science
1981
Nest Switching and Guarding by the Communal Sweat Bee Agapostemon Virescens (Hymenoptera, Halictidae), Judith Abrams and George C. Eickwort; Insectes Sociaux
Pollinations Systems in Paspalum Dilatatum Poir. (Poaceae): An Example of Insect Pollination in a Temperate Grass, Dwight E. Adams, W. Ethen Perkins, and James R. Estes; Amer. J. Bot.
Опылять подсопнечннк -выгодно, V. Adazhuk
Artificial Pollination, Pollen Viability, and Storage in White Yam, M. O. Akoroda, J. E. Wilson, and H. R. Chheda; Tropical Root Crops
The Yellowjackets of America North of Mexico, Roger D. Akre, Albert Greene, John F. MacDonald, Peter J. Landolt, and Harry G. Davis
Effects of Mt. St. Helens on Ants and Yellowjackets, Roger D. Akre, Laurel D. Hansen, Hal C. Reed, and Larry D. Corpus; Melanderia
A Polygynous Colony of Vespula Pensylvanica (Saussure) (Hymenoptera: Vespidae), Roger D. Akre and Hal C. Reed; Entomological News
Late Cretaceous Megaspilidae (Hymenoptera) from amber of the Taymyr, V. N. Alekseyev and A. P. Rasnitsyn; Paleont. Jour.
Pollination in Wedelia chinensis (Osbeck) Merr and Tridax procumbens L. (Compositae) by Thrips (Thysanoptera: Insecta), T N. Ananthakrishnan, R Varatharajan, and K Gopinathan; Proc. Indian natn. Sci. Acad.
1980
Technique d'etude en semi in situ des relations style-pollen chez la Luzerne (medicago sativa L.), A. Abdelkefi; Ann. Amelior. Palntes
Biology of the Communal Sweat Bee Agapostemon virescens (Hymenoptera: Halictidae) in New York State, Judith Abrams and George C. Eickwort; Search Agriculture
El Genero Parazumia Saussure (Hym. Eumenidae), Maria V. Ajmat and Abraham Willink; Acta Zoologica Lilloana
Dufour's Gland and its Role in Secretion of Nest Cell Lining in Bees of the Genus Colletes (Hymenoptera: Colletidae), K. R. Albans, R. T. Aplin, J. Brehcist, J. F. Moore, and C. O'Toole; Journal of Chemical Ecology
Communal Nesting in an Australian Wasp, Cerceris Antipodes Smith (Hymenoptera, Sphecidae), John Alcock; J. Aust. Ent. Soc.
Natural Selection and the Mating Systems of Solitary Bees, John Alcock; American Scientist
Notes on the Reproductive Behaviour of some Autralian Solitary Wasps (Hymenoptera: Sphecidae, Tachysphex amd Exeirus), John Alcock; J. Aust. Ent. Soc.
Vplyv Vel'kosti Parcely A Vyskytu Opel'ovaca Na Urody Semena Lucerny, P. Ambrus and L. Sevecka; Ved Pr vysk Ustavu Rasti Vyroby Piestanoch Krmoviny
1979
Studies on the Pollinators of Some Medical Plants at Giza Govero-Rate., A. L. Abd El-Salam, A. M. Hefny, M. A. Moustafa, and A. A. El-Nakah
Changes With Age in Ultrastructure and Pheromone Content of Male Labial Glands in Some Bumble Bee Species (Hymneoptera, Apidae), Lennart Agren, Bjorn Cederberg, and Bo G. Svensson; Zoon
The Behavioural Consequences of Size Variation among Males of the Territorial Wasp Hemipepsis Ustulata (Hymenoptera: Pompilidae), John Alcock; Behavior
1978
Yeilds and Cross-pollination of Soybeans As Affected by Honey Bees and Alfalfa Leafcutting Bees, Robert I. Abrams, C. Richard Edwards, and Todd Harris; American Bee Journal
Honey Bee Flora of Pakistan, Rafiq Ahmad, Rashid Anwar, Sharfuddin Khan, S. M.A. Makhdoomi, and Abdul Qayyum
Biology and Pest Status of Venomous Wasps, Roger D. Akre and Harry G. Davis; Ann. Rev. Entomol.
Notes on Male Mate-Locating Behavior in Some Bees and Wasps of Arizona, John Alcock; The Pan-Pacific Entomologist
The ecology and evolution of male reproductive behaviour in the bees and wasps, John Alcock, Edward M. Barrows, Gordon Gordh, L. Jan Hubbard, Larry Kirkendall, Donald W. Pyle, Terry L. Ponder, and Frank G. Zalom; Zoological Journal of the Linnean Society
The Role of Workers and New Queens in the Ergonomics of a Bumblebee Colony (Hymenoptera: Apoidea), Tracy Allen, Sydney Cemeron, Ronald McGinley, and Bernd Heinrich; Journal of the Kansas Entomological Society
1977
Algumas plantas visitadas para obtencao de polen por operarias de Melipona seminigra merrilae em Manaus, Maria Luicia Absy and Warwick Estevam Kerr; Acta Amazonica
Effect of Forage Harvest Frequency on Subsequent Alfalfa Seed Production and Pollen Quality, S. Abu-Shakra, M. L. Bhatti, and H. Ahmed; Agronomy Journal
Patrolling and Mating by Males of Callanthidium-Illustre Hymenoptera Megachilidae, John Alcock; Southwest Nat.
Local Mate Competition and Parental Investment in Social Insects, Richard D. Alexander and Paul W. Sherman; Science
1976
Location before emergence of the female bee, Centris pallida, by its male (Hymenoptera: Anthoporidae), John Alcock, C. Eugene Jones, and Stephen L. Buchmann; J. Zool., Lond.
The Nesting Behaviour of Three Species of Centris bees (Hymenoptera: Anthoporidae), John Alcock, C. Eugene Jones, and Stephen L. Buchmann; Journal of the Kansas Entomological Society
A fatal error in determining a race of honeybee, V. V. Alpatov; Prirpda
Pylkowa Metoda Oceny Owadow Zapylajacych Koniczyne Czerwona (Trifolium Pratense L.), Anna Anasiewicz and Zofia Warakomska; Pszczelnicze zeszyty Naukowe
1975
Reproductive Biology of Goodyera Oblongifolai (Orchidaceae), James D. Ackerman; Madrono
Varroa Jacobsoni: A Prospective Pest of Honeybees in Many Parts of the World, P. Akratanakul and M. Burgett; Bee World
The behaviour of western cicada killer males, Sphecius grandis (Sphecidae, Hymenoptera), John Alcock; J. nat. Hist.
The Genus of Tiphia of the Indian Subcontinent, H. W. Allen; USDA Agricultural Research Service Bulletin
The Bees (Apoidea, Hymenoptera) on Alfalfa (Medicago Media Pers.) Plantations II. Trophic Relationship to Vegetation, Anna Anasiewicz; Ekologia Polska
The Bees (Apoidea, Hymenoptera) on Alfalfa (Medicago Media Pers.) Plantations I. The Species Composition and Variation of Flights, Anna Anasiewicz; Ekologia Polska
Les Apides Sauvages (Apoidea) Pollinisateurs Du Trefle Violet (Trifolium Pratense L.) L'Analyse Pollinique De Leurs Récoltes, Anna Anasiewicz and Zofia Warakomska
Effects of Evaporative Cooling on Temperature and Development of Apple Buds, J. L. Anderson, G. L. Ashcroft, E. A. Richardson, J. F. Alfaro, R. E. Griffin, G. R. Hanson, and J. Keller; Journal of the American Society for Horticultural Science
1974
The nesting behaviour of Cerceris simplex macrosticta (Hymenoptera: Specidae), John Alcock; J. nat. Hist.
Home Ranges of Male Cerceris simplex macrostricta (Hymenoptera, Specidae), John Alcock and George Gamboa; Psyche
Days from Pollination to Seed Maturity in Crownvetch, Wail Al-Tikrity, W. W. Clarke, G. W. McKee, M. L. Risius, and R. A. Peiffer; Crop Science
1973
Selective Toxicity of Carbophenothion and Trichlorfon to the Honey Bee and the Alfalfa Leafcutting Bee, Zahoor Ahmad and Carl Johansen; Enviornmental Entomology
Magnetic Recovery of Ferrous Labels in a Capture-Recapture System for Yellowjackets, Roger D. Akre, Wm. Bruce Hill, and John F. MacDonald; Journal of Economic Entomology
The Behavior of Microbemex nigrifons, John Alcock and Allen F. Ryan; The Pan-Pacific Entomologist
Beobachtungen an Osmia Bicolor Schranck (Hymenoptera. Apoidea), Felix Amiet; Mitteilungen Der Schweizerischen Entomologischen Gesellschaft
1972
An Improved Technique for Examining Pollen Under the Scanning Electron Microscope, R J. Adams and J. K. Morton; Pollen at Spores
Pollen Morphology of the Family Magnoliaceae, V. Sh. Agababian; Grana
Variation in Cell Number in a Population of Bemix Americana (Hymenoptera: Specidae), John Alcock; Psyche