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1954

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Greater Bee Concentration is needed for Adequate Pollination of Clover Fields, W. E. Dunham; Ohio Farm and Home Research

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Biological Notes on Psammaecius Tricolor (Cresson) (Hymenoptera: Sphecidae: Gorytini), Howard E. Evans, Cheng Shan Lin, and Carl M. Yoshimoto; Entomological News

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The Genus Psorthaspis on the Mexican Central Plateau (Hymenoptera: Pompilidae), Howard Ensign Evans; American Museum Novitates

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Action Pollinisatrice des Abeilles sur Amandier, Jean Marie Gagnard and Charles Griessinger; Fruits et Primeurs de l'Afrique du Nord

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Drainage of the Cache Valley Lowlands, Willard Gardner and Orson W. Israelsen

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Additional Studies on the Effect of Field Applications of Insecticides on Honey Bees, F. V. Lieberman, George E. Bohart, G. F. Knowlton, and W. P. Nye; Journal of Economic Entomology

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A Genus of Bees New to the Illinois Region, Charles D. Michener; Journal of the Kansas Entomological Society

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Bees of Panamá, Charles D. Michener; Bulletin of the American Museum of Natural History

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Descriptions and Records of North American Hoplitis and Anthocopa (Hymenoptera, Megachilidae), Charles D. Michener; The Pan-Pacific Entomologist

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Melecta Pacifica Atlantica in the Central United States (Hymenoptera, Anthophorinae), Charles D. Michener; Journal of the Kansas Entomological Society

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Observations on the Pupae of Bees (Hymenoptera: Apoidea), Charles D. Michener; The Pan-Pacific Entomologist

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Records and Descriptions of North American Megachilid Bees, Charles D. Michener; Journal of the Kansas Entomological Society

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A Large Bombus Nest from Mexico, Charles D. Michener and W. E. LaBerge; Psyche

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Natural Cross-Pollination in Cotton, D. M. Simpson

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A Revisional Study of the Bees of the Genus Perdita F. Smith, With Special Reference to the Fauna of the Pacific Coast (Hymenoptera, Apoidea) Part I, Philip H. Timberlake; University of California Publications in Entomology

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Two New Species of Nomada, Subgenus Gnathias, from California (Hymenoptera, Apoidea), Philip H. Timberlake; The Pan-Pacific Entomologist

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Two New Species of Perdita from North Carolina (Hymenoptera, Apoidea), Philip H. Timberlake; Entomological News

1953

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Studies in the Orbweaving Spiders (Argiopidae), Allan F. Archer; American Museum of Natural History

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Hilarella hilarella (Zetterstedt) (Diptera: Sarcophagidae) Parasitic Upon a Rhaphidophorid (Orthoptera: Gryllacrididae), Paul H. Arnaud; The Canadian Entomologist

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A Review of the Beetle Family Cephaloidae, Ross H. Arnett Jr.; Proceedings of the United States National Museum

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Role of intravarieal pollinations in increasing the productivity of cotton, F. Babadshanov; Khlopkovodstvo

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Notes on Food Habits of the Western Harvester Ant (Hymenoptera, Formicidae), George E. Bohart and George F. Knowlton; Proceedings of The Entomololgical Society of Washington

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Notes on Mating, Prey Provisioning, and Nesting of Sphex Procerus (Dahlbom) (Hymenoptera, Sphecidae), George E. Bohart and George F. Knowlton; Proceedings of The Entomololgical Society of Washington

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Yearly Population Fluctuation of Bombus morrisoni at Fredonia, Arizona, George E. Bohart and George F. Knowlton; Journal of Economic Entomology

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Three New Species of Stenodynerus From Eastern United States (Hymenoptera, Vespidae), Richard M. Bohart; Proceedings of the Biological Society of Washington

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Breeding Alfalfa in Canada, J. L. Bolton and M. W. Cormack; Empire Journ. Of Exper. Agric.

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Passion Fruit Tests Show Promise, Francis A. I. Bowers Sr.; Hawaii Farm Science

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Der Parasitismus der Gattung Stylops an der Sandbiene Andrena vaga PZ. Summary, Jürgen Brandenburg; Zeitschrift für Parasitenkunde

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Studies in Red Clover Seed Production. Part II, E. Braun, R. M. MacVicar, D. R. Gibson, P. Pankiw, and J. Guppy; Canadian Journal of Agricultural Science

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Insects, Enemies of Insects, Barnard D. Burks; 1952 Yearbook of Agriculture

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A Review of the Genus Myopa in North America (Diptera: Conopidae), Sidney Camras; The Wasmann Journal of Biology

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A Review of the Scarab Genus Acoma (Coleoptera, Scarabaeidae), Mont A. Cazier; American Museum Novitates

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The External Morphology of the Dragonfly Onychogomphus Ardens Needham, Hsiu-Fu Chao; Smithsonian Miscellaneous Collections

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Bees of New Caledonia, L. Evelyn Cheesman; Annals and Magazine of Natural History

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Parasites and Predators, Curtis P. Clausen; Yearbook of Agriculture 1952

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Biology of Eumenine Wasps I. The Ecology, Predation, and Competition of Anistrocerus Antilope (Panzer), Kenneth W. Cooper; Transactions of The American Entomological Society

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The Wasps of Penikese Island, Buzzards Bay, Massachusetts (Hymenoptera), Kenneth W. Cooper; Entomological News

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Psithyrus insularis (Sm.) in a nest of Bombus ternarius Say (Hymenoptera: Bombidae), C. H. Craig; The Canadian Entomologist

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Cranberry Flowers and the Set of Fruit, Chester E. Cross; Cranberries

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Life Cycle of the Humble Bee, R. A. Cumber; N.Z. Science Review

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Some Aspects of the Biology and Ecology of Humble-Bees Bearing Upon the Yields of Red-Clover Seed in New Zealand, R. A. Cumber; New Zealand Journal of Science and Technology

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Contribution a l'etude du peuplement de la Mauritanie, Jacques de Beaumont; Bulletin de l'Institut francais d'Afrique Noire

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Notes sur quelques Tachysphex de la faune francaise [Hym. Sphecidae], Jacques de Beaumont; Bulletin de la Societe entomologique de France

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A Biological Study of Anoplius Apiculatus Autumnalis (Banks) and its Parasite, Evagetes Mohave (Banks) (Hymenoptera, Pompilidæ, Howard E. Evans, Cheng Shan Lin, and Carl M. Yoshimoto; Journal of the New York Entomological Society

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Comparative Ethology and the Systematics of Spider Wasps, Howard Ensign Evans; Systematic Zoology

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L'Avvenire dell'Apicoltura si Chiama Impollinazione, Giulia Giordani; Relazione al 1° Convegno Nazionale dei Giovani Apicoltori

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A Note on a Phorid Parasite of Pheidole Dentata Mayr., Wallace E. LaBerge; Journal of the Kansas Entomological Society

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Problems in the Development of Social Behavior and Communication Among Insects, Charles D. Michener; Transactions Kansas Academy of Science

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The Biology of a Leafcutter Bee (Megachile brevis) and Its Associates, Charles D. Michener; University of Kansas Science Bulletin

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Bees of the Genus Perdita in the Collection of the University of Kansas (Hymenoptera, Apoidea), Philip H. Timberlake; University of Kansas Science Bulletin

1952

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Report of the Thirteenth Alfalfa Improvement Conference, O. S. Aamodt

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Ensaio sobre a influencia de Apis mellitera L. na polinizacao do cafeeiro, Erico Amaral; Escola Superior de Agricultura "Luiz de Queiroz"

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New Speci of African Hymenoptera, G. Arnold; National Museums of South Rhodesian

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The Action of the Proventriculus of the Worker Honeybee, Apis Mellifera L., L. Bailey; Journal of Expiremental Biology

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Dalsi Prispevek K Poznani Blanokridleho Hmyzu Csr. (Aculeata), Vladimir Balthasar; Acta Societatis Entomol. Cechosl.

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Prispevek K Poznani Blanokridleho Hmyzu Slovenska, Vladimir Balthasar

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Sex of Host Specificity and Position Specificity of Certain Species of Laboulbenia on Bembidion Picipes, R. K. Benjamin and Leland Shanor; American Journal of Botany

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De Nederlandse Behangersbijen (Megachile; Hym. Apidae), P. Benno; Entomologische Berichten

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Honey Bees and Vetch Pollination, G. A. Bieberdorf; Proceedings of the Oklahoma Academy of Science

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Insect Friends of Man, F. C. Bishopp; Yearbook of Agriculture

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The Generic Names of the Beetle Family Staphylinidae with an Essay on Genotypy, Richard E. Blackwelder

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Pollination by Native Insects, George E. Bohart; Yearbook of Agriculture

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Honey Bees for Higher Yields of Alfalfa Seed in Utah, George E. Bohart and George F. Knowlton; Extension Service Circular, Utah State Agricultural College

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The California Species of Mite-Bearing Stenodynerus (Hymenoptera, Vespidae), Richard M. Bohart; Proceedings of the Entomological Society of Washington

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The Evolution of Antigeny in the Color-Pattern of Some Scoliidae, James Chester Bradley; Trans. Ninth Int. Congr. Ent.

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Division of Labour and Foraging in Bombus Agrorum Fabricius, Anne D. Brian; The Journal of Animal Ecology

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The Wasp, Vespula sylvestris Scopoli: Feeding, Foraging and Colony Development, M. V. Brian and Anne D. Brian; Royal Ent. Soc., Trans.

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Relation of Irrigation Practice to the Differentiation and Development of Apricot Flower Buds, Dillon S. Brown; Botanical Gazette

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Further Observations on Sexual Dimorphism in Mosquito Pupae (Diptera, Culicidae), Stanley J. Carpenter; Mosquito News

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New and Little-Known False Scorpions (Arachnida, Chelonethida) From Monterey County, California, Joseph C. Chamberlin; Bulletin of the American Museum of Natural History

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A Remarkable New Species and Subgenus of Chrysid Wasp from North America, with Notes on Related Forms, Kenneth W. Cooper; Transactions of The American Entomological Society

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Records and Flower Preferences of Masarid Wasps. II. Polytropy or Oligotropy in Pseudomasaris? (Hymenoptera: Vespidae), Kenneth W. Cooper; American Midland Naturalist

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Societe Entomologique de Belgique, A. Crèvecoeur; Bulletin et Annales de la Societe Entomologique de Belgique

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Records of the Palearctic Megachile rotundata in the United States (Hymenoptera: Apoidea), Howell V. Daly; Entomological News

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Sphecidae of Portugal Genus Miscophus Jurine, Nuno Freire de Andrade; Memorias e Estudos do Museu Zoologico da Universidade de Coimbra

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A New Species in the Genus Amerocnemis (Hymenoptera: Psammocharidae) from North America with a Key to the Males of the Americas and Photomicrographs of the Genitalia of the N.Sp., Robert R. Dreisbach; Entomological News

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A New Species of the Genus Euplaniceps (Hymenoptera: Psammocharidae) from California with Microphotographs of the Genitalia of the Two Males of the Genus, Robert R. Dreisbach; Entomological News

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Key to the American Genera of the Subfamily Cryptocheilinæ (Hymenoptera: Psammocharidæ) Males and Females, Robert R. Dreisbach; Journal of the New York Entomological Society

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Preparing and Photographing Slides of Insect Genitalia, Robert R. Dreisbach; Systematic Zoology

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Insect Pollination of Ladino Clover in South Carolina, David Dunavan; Journal of Economic Entomology

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Honey Bees and Legume Seed Production in Indiana, Ray T. Everly; American Bee Journal

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Growing Red Clover for Seed, Ray T. Everly, K. L. Athow, D. E. Burrough, G. H. Cutler, B. E. Montgomery, R. R. Mulvey, and K. T. Payne; Purdue University Misc. Mimeo

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Isolation and Hybridization Between Aquilegia Formosa and A. Pubescens, Verne Grant; El Aliso

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Outline for Ecological Life Histories of Solitary and Semi-Social Bees, E. G. Linsley, John W. MacSwain, and Ray F. Smith; Ecology

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Journal of the Kansas Entomological Society, Vol. 25, Number 2, Bernard T. McDermott, Wallace E. LaBerge, George T. Brooks, Kamel Khalaf, Albert W. Grundmann, Frederick R. Evans, G. F. Knowlton, M. A. Palmer, and D. Elmo Hardy; Journal of the Kansas Entomological Society

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A New Genus of Panurgine Bees from Arizona (Hymenoptera, Andrenidae), Charles D. Michener; Journal of the Kansas Entomological Society

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A Note on the Larvae of Sphecid Wasps, Charles D. Michener; Journal of the Kansas Entomological Society

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The Saturniidae (Lepidoptera) of the Western Hemisphere, Charles D. Michener; Bulletin of the American Museum of Natural History

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Working Speed of Bumblebees and Honey Bees in the Pollination of Red Clover, O. S. Skovgaard; Tidsskrift Planteavl

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Descriptions of New Species of Nomadopsis from California and Texas, and of a New Allied Genus from South America, Philip H. Timberlake; Annals of the Entomological Society of America

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New Records of Perdita from the Eastern United States (Hymenoptera, Apoidea), Philip H. Timberlake; Proceedings of the Entomological Society of Washington

1951

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The Effect of Honey Bees on the Pollination of Crimson Clover, John M. Amos; The American Bee Journal

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Sphecidae and Pompilidae collected by Mr. K.M. Guichard in West Africa and Ethiopia, George Arnold; Bulletin of the British Museum

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Morphology of Immature Stages of Euzodiomyces Lathrobii Thaxter and the Taxonomic Position of the Genus Euzodiomyces, R. K. Benjamin and Leland Shanor; American Journal of Botany

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Apides Recueillis Par MM. L. Berland Et J. Panhouse Dans Le Sud Marocain En 1947, R. Benoist; Bulletin de la Société des Sciences Naturelles du Maroc

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Ueber einige Trigonaloiden des British Museum (Natural History) (Hymenoptera), H. Bischoff; Annals and Magazine of Natural History

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Hymenoptera of America North of Mexico Synoptic Catalog, W. G. Bodenstein

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Alfalfa Seed Growers of Utah Should Protect Their Wild Bees, George E. Bohart; Farm and Home Science

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Filth-Inhabiting Flies of Guam, George E. Bohart and J. Linsley Gressitt; Bernice P. Bishop Museum Bulletin

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Honey Bees for Higher Yields of Alfalfa Seed in Utah, George E. Bohart and George F. Knowlton; Extension Service Bulletin, Utah State Agricultural College