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1997

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Scanning Electron and Light Microscope Studies of Pollens of Some Leguminosae, R. J. Adams and M. V. Smith; Journal of Apricultural Research

1996

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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.

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Mating Systems and Male Size in Australian Hylaeine Bees, John Alcock and Terry F. Houston; Ethology

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Comparative Morphology of the Female Reproductive System of Nomadine Bees (Hymenoptera: Apidae: Nomadinae), Byron A. Alexander; Memoirs of the Entomological Society of Washington

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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

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Explosive Pollen Release and Pollination in Flowering Plants, Raju J S Aluri and C Subba Reddi; Proc. Indian natn. Sci. Acad.

1994

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Habitat Fragmentation, Native Insect Pollinators, and Feral Honey Bees in Argentine "Chaco Serrano", Marcelo A. Aizen and Peter Feinsinger; Ecological Applications

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Pollination of Apocynaceae, P. Albers and L. J.G. van der Maesen; Wageningen Agric. Univ. Papers

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Species-Groups and Cladisitic Analysis of the Cleptoparasitic Bee Genus Nomada (Hymenoptera: Apoidea), Byron A. Alexander; The University of Kansas Science Bulletin

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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

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Energy Intake and Expenditure in Alfalfa Pollinating Bee Megachile femorata (Hymenoptera: Megachilidae), D. P. Abrol; Tropical Ecology

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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

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The Nest, Prey, and Larva of Entomosericus kaufmani Radoszkowski (Hymenoptera: Sphecidae), Vladimir L. Kazenas and Byron A. Alexander; J. Hym. Res.

1992

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Pollination of Australian Orchids by Trigona (Tetragona) Jurine Bees (Hymenoptera: Apidae), P. B. Adams, T. Bartareau, and K. L. Walker; Aust. Ent. Mag.

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A cladisitic analysis of the subfamily Philanthinae (Hymenoptera: Sphecidae), Byron A. Alexander; Systematic Entomology

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An Exploratory Analysis of Cladistic Relationships within the Superfamily Apoidea, with Special Reference to Sphecid Wasps (Hymenoptera), Byron A. Alexander; J. Hym. Res.

1991

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Conservation of Pollinators for Promotion of Agricultural Production in India, D. P. Abrol; J. Anim. Morphol. Physiol.

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A Cladistic Analysis of the Genus Apis, Byron Alexander; Diversity in the Genus Apis

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Phylogenetic Analysis of the Genus Apis (Hymenoptera: Apidae), Byron Alexander; Annals of the Entomological Society of America

1990

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Energetics of Nectar Production in some Apple Cultivars as a Predictor of Floral Choice by Honeybees, D. P. Abrol; Tropical Ecology

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Studies on the Pollen Loads and Pollination Efficiency of Some Bees, D. P. Abrol; J. Anim. Morphol. Physiol.

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A cladistic analysis of the nomadine bees (Hymenoptera: Apoidea), Byron Alexander; Systematic Entomology

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A Preliminary Phylogenetic Analysis of Sphecid Wasps and Bees, Byron Alexander; Sphecos

1989

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Fenologia Das Abelhas Visitantes De Murici (Byrsonima Crassifolia, Malpighiaceae), Patricia M.C. Albuquerque and Marcia Maria C. Rego; Mus. Para. Emflio Geoldi, ser. Zool.

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Pollination Biology of Calotropis procera subsp. hamiltonii (Asclepiadaceae), Tahir Ali and Syed Irtifaq Ali; Phyton

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ЗООГЕОГРАФИЧЕСКИЕ КОМПЛЕКСЫ ПЧЕЛИНЫХ (HVMENOPTERA, APOIDEA) МАЛОГО КАВКАЗА В ПРЕДЕЛАХ АЗЕРБАЯДЖАНА, Х. A. АЛИЕВ

1988

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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

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Foraging Range of Alfalfa Pollinating Megachile Falvipes Spinola and Megachile Nana Bingh (Megachile: Hymenoptera), D. P. Abrol; J. Anim. Morphol. Physiol.

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Pollination Studies in Crotalaria Juncea L., D. P. Abrol and R. P. Kapil; Science and Culture

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Insect Foragers on Solanum Flowers in Australia, Gregory J. Anderson and David Symon; Annals of the Missuori Botanical Garden

1987

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Activity Time Budgets and Pollination Potential of Apis cerana indica Workers, D. P. Abrol; Enviornment and Ecology

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Ovaries, Ovarioles, and Oocytes in Parasitic Bees (Hymenoptera: Apoidea), Byron Alexander and Jerome G. Rozen Jr.; Pan-Pacific Entomologist

1986

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Factors affecting pollination activity of Megachile Ianata lepel, D. P. Abrol and R. P. Kapil; Proc. Indian Acad. Sci. (Amin. Sci.)

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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

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Longevity of Euglossine Bees, James D. Ackerman and Arlee M. Montalvo; Biotropica

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Honeybee Research Programme, Rafiq Ahmad

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Alfalfa Seed Production - Southern Great Plains, R. M. Ahring, T. L. Springer, O. R. Jones, J. F. Stritzke, and J. O. Moffett

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The Significance of Post-insemination Display by Male Centris pallida (Hymenoptera: Anthophoridae), John Alcock and Stephen L. Buchmann; Z. Tierpsychol.

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Sex Differentiation in Bees XXII Generalized Mahalanobis Distances Between Males and Females of the Stingless Bee, Miracema Gurgel de Almeida; Rev. Brasil. Genet.

1984

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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.

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Duas Especies Novas De Trigona (S. Str.) (Apidae, Meliponinae) Da Regiao Neotropical, Maria Christina de Almeida; Dusenia

1983

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A Device for Photographic Registration of Behavioural Events at Bee Nest Entrances, Hans Adin and Jan Tengo

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Congruences in Pilosity between Three Species of Ophrys (Orichidaceae) and their Hymenopteran Pollinators, Lennart Agren, Bertil Kullenberg, and Terry Sensenbaugh

1982

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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

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Flagellar Sensilla of Sphecodes Bees (Hymenoptera, Halictidae), Lennart Agren and Bo G. Svensson; Zoologica Scripta

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Gynandromorphs of Megachile Rotundata (Fab.) (Hymenoptera:Megachile), Roger D. Akre, E. Paul Catts, Richard S. Zack, and E. C. Klostermeyer; Entomological News

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Observations en himenopteros cubanos., Rafael Alayo Soto; Poeyana

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Thrips and Pollination Biology, T N. Ananthakrishnan; Current Science

1981

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Nest Switching and Guarding by the Communal Sweat Bee Agapostemon Virescens (Hymenoptera, Halictidae), Judith Abrams and George C. Eickwort; Insectes Sociaux

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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.

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Опылять подсопнечннк -выгодно, V. Adazhuk

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Artificial Pollination, Pollen Viability, and Storage in White Yam, M. O. Akoroda, J. E. Wilson, and H. R. Chheda; Tropical Root Crops

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The Yellowjackets of America North of Mexico, Roger D. Akre, Albert Greene, John F. MacDonald, Peter J. Landolt, and Harry G. Davis

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Effects of Mt. St. Helens on Ants and Yellowjackets, Roger D. Akre, Laurel D. Hansen, Hal C. Reed, and Larry D. Corpus; Melanderia

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A Polygynous Colony of Vespula Pensylvanica (Saussure) (Hymenoptera: Vespidae), Roger D. Akre and Hal C. Reed; Entomological News

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Late Cretaceous Megaspilidae (Hymenoptera) from amber of the Taymyr, V. N. Alekseyev and A. P. Rasnitsyn; Paleont. Jour.

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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

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Technique d'etude en semi in situ des relations style-pollen chez la Luzerne (medicago sativa L.), A. Abdelkefi; Ann. Amelior. Palntes

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Biology of the Communal Sweat Bee Agapostemon virescens (Hymenoptera: Halictidae) in New York State, Judith Abrams and George C. Eickwort; Search Agriculture

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El Genero Parazumia Saussure (Hym. Eumenidae), Maria V. Ajmat and Abraham Willink; Acta Zoologica Lilloana

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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

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Communal Nesting in an Australian Wasp, Cerceris Antipodes Smith (Hymenoptera, Sphecidae), John Alcock; J. Aust. Ent. Soc.

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Natural Selection and the Mating Systems of Solitary Bees, John Alcock; American Scientist

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Notes on the Reproductive Behaviour of some Autralian Solitary Wasps (Hymenoptera: Sphecidae, Tachysphex amd Exeirus), John Alcock; J. Aust. Ent. Soc.

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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

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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

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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

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The Behavioural Consequences of Size Variation among Males of the Territorial Wasp Hemipepsis Ustulata (Hymenoptera: Pompilidae), John Alcock; Behavior

1978

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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

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Honey Bee Flora of Pakistan, Rafiq Ahmad, Rashid Anwar, Sharfuddin Khan, S. M.A. Makhdoomi, and Abdul Qayyum

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Biology and Pest Status of Venomous Wasps, Roger D. Akre and Harry G. Davis; Ann. Rev. Entomol.

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Notes on Male Mate-Locating Behavior in Some Bees and Wasps of Arizona, John Alcock; The Pan-Pacific Entomologist

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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

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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

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Algumas plantas visitadas para obtencao de polen por operarias de Melipona seminigra merrilae em Manaus, Maria Luicia Absy and Warwick Estevam Kerr; Acta Amazonica

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Effect of Forage Harvest Frequency on Subsequent Alfalfa Seed Production and Pollen Quality, S. Abu-Shakra, M. L. Bhatti, and H. Ahmed; Agronomy Journal

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Patrolling and Mating by Males of Callanthidium-Illustre Hymenoptera Megachilidae, John Alcock; Southwest Nat.

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Local Mate Competition and Parental Investment in Social Insects, Richard D. Alexander and Paul W. Sherman; Science

1976

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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.

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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

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A fatal error in determining a race of honeybee, V. V. Alpatov; Prirpda

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Pylkowa Metoda Oceny Owadow Zapylajacych Koniczyne Czerwona (Trifolium Pratense L.), Anna Anasiewicz and Zofia Warakomska; Pszczelnicze zeszyty Naukowe

1975

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Reproductive Biology of Goodyera Oblongifolai (Orchidaceae), James D. Ackerman; Madrono

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Varroa Jacobsoni: A Prospective Pest of Honeybees in Many Parts of the World, P. Akratanakul and M. Burgett; Bee World

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The behaviour of western cicada killer males, Sphecius grandis (Sphecidae, Hymenoptera), John Alcock; J. nat. Hist.

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The Genus of Tiphia of the Indian Subcontinent, H. W. Allen; USDA Agricultural Research Service Bulletin

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The Bees (Apoidea, Hymenoptera) on Alfalfa (Medicago Media Pers.) Plantations II. Trophic Relationship to Vegetation, Anna Anasiewicz; Ekologia Polska

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The Bees (Apoidea, Hymenoptera) on Alfalfa (Medicago Media Pers.) Plantations I. The Species Composition and Variation of Flights, Anna Anasiewicz; Ekologia Polska

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Les Apides Sauvages (Apoidea) Pollinisateurs Du Trefle Violet (Trifolium Pratense L.) L'Analyse Pollinique De Leurs Récoltes, Anna Anasiewicz and Zofia Warakomska

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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

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The nesting behaviour of Cerceris simplex macrosticta (Hymenoptera: Specidae), John Alcock; J. nat. Hist.

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Home Ranges of Male Cerceris simplex macrostricta (Hymenoptera, Specidae), John Alcock and George Gamboa; Psyche

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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

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Selective Toxicity of Carbophenothion and Trichlorfon to the Honey Bee and the Alfalfa Leafcutting Bee, Zahoor Ahmad and Carl Johansen; Enviornmental Entomology

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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

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The Behavior of Microbemex nigrifons, John Alcock and Allen F. Ryan; The Pan-Pacific Entomologist

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Beobachtungen an Osmia Bicolor Schranck (Hymenoptera. Apoidea), Felix Amiet; Mitteilungen Der Schweizerischen Entomologischen Gesellschaft

1972

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An Improved Technique for Examining Pollen Under the Scanning Electron Microscope, R J. Adams and J. K. Morton; Pollen at Spores

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Pollen Morphology of the Family Magnoliaceae, V. Sh. Agababian; Grana

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Variation in Cell Number in a Population of Bemix Americana (Hymenoptera: Specidae), John Alcock; Psyche