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1948
Hybrid Vigor From Natural Crossing for Improving Cotton Production, D. M. Simpson; Journal of the American Society of Agronomy
Additions and Corrections to the List of Nearctic Species of Dianthidium (Hymenoptera, Apoidea), Philip H. Timberlake; Journal of the New York Entomological Society
Bees of the Genus Colletes Chiefly from Colorado, Philip H. Timberlake; Bulletin of the American Museum of Natural History
1947
Ammophila Campestris Latr. Und Ammophila Adriaansei Wilcke, A. Adriaanse; Behavior
Nagra aktuella problem inom foradlingen med rodklover och lusern for Mellansverige, Erik Akerberg, Sven Bingefors, and Karlis Lesins; Sartryck Ur Sveriges Utsadesforenings Tidskrift
A key to the African genera of the Apidae, George Arnold; Journal of Entomological Society of South Africa
Notes on the Dasymutilla of the Palo Verde Valley, California with the Description of a New Species, William F. Barr and Paul D. Hurd Jr.; The Pan-Pacific Entomologist
Proposed Suspension of the Regles for Bombus Latreille, 1802 (Class Insecta, Order Hymenoptera), R. B. Benson, Ch. Ferriere, and O. W. Richards; Bulletin of Zoological Nomenclature
Comments by Readers, Richard E. Blackwelder; Science
New North American Bees of the Genus Dufourea (Apoidea: Halictidae) Part I, George E. Bohart; Annals of the Entomological Society of America
The Phorid Flies of Guam, George E. Bohart; Proceedings of the United States National Museum
Adelantos Recientes en la Tecnica de Mejoramiento Genetico de la Alfalfa, Arturo Burkart; An. Acad. Sciec. Buenos Aries
A New Bee from the Marshall Islands, T. D. A. Cockerell; The Pan-Pacific Entomologist
A New Genus of Bees from Honduras, T. D. A. Cockerell; Proc. Ent. Soc. Wash.
A New Osmiine Bee from South Africa, T. D. A. Cockerell
A Character Analysis of a Solitary Bee, Hoplitis Albifrons (Hymenoptera, Megachilidae), Charles D. Michener; Evolution
A Revision of the American Species of Hoplitis (Hymenoptera, Megachilidae), Charles D. Michener; Bulletin of the American Museum of Natural History
Bees of a Limited Area in Southern Mississippi (Hymenoptera; Apoidea), Charles D. Michener; The American Midland Naturalist
Some Observations on Lasioglossum (Hemi-Halictus) Lustrans (Hymenoptera, Halictidæ), Charles D. Michener; Journal of the New York Entomological Society
Anthidium as an Exterminator of Honey Gathering Bees and Bumblebees, L. Sitowski; Roczniki Nauk Roln. i Leśn.
Anthidium, as an Exterminator of Bees and Bumble-Bees Gathering Honey, Ludwik Sitowski; Roczniki Nauk Rolniczych I Lesnych
A Revision of the Species of Exomalopsis Inhabiting the United States (Hymenoptera, Apoidea), Philip H. Timberlake; Journal of the New York Entomological Society
New Species of Perdita from the Southern States (Hymenoptera, Apoidea), Philip H. Timberlake; Proceedings of the Entomological Society of Washington
Two New Species of Bees from Arizona (Hymenoptera, Apoidea), Philip H. Timberlake; The Pan-Pacific Entomologist
1946
A New Species of Halictophagus Parasitic on Cercopidae (Strepsiptera, Halictophagidae), Richard M. Bohart; Proceedings of the Entomological Society of Washington
Scolia caffra Saussure and Sichel and a Malagasy Species Usually Confused With It. (Hymenoptera: Scoliidae), James Chester Bradley; Revue Suisse de Zoologie
Some Methods of Tree Fruit Pollination, R. M. Bullock and J. C. Snyder; Proceedings of the Washington State Horticultral Association
Symposium on "Alfalfa Seed Setting" Forward, P. V. Cardon; Journal of the American Society of Agronomy
Pollination, Lygus Infestation, Genotype, and Size of Plants as Affecting Seed Setting and Seed Production in Alfalfa, John W. Carlson; Journal of the American Society of Agronomy
An Examination of the Pollen Loads of Andrena: The Species that Visit Fruit Trees, V. H. Chambers; J. anim. Ecol.
African Anthophorid Bees, T. D. A. Cockerell; Annals and Magazine of Natural History
African Halictine Bees, T. D. A. Cockerell; The Entomologist
African Halictine Bees, T. D. A. Cockerell; The Entomologist
African Heriadine Bees, T. D. A. Cockerell; Annals and Magazine of Natural History
African Nomiine Bees, T. D. A. Cockerell; Annals and Magazine of Natural History
Bees of the Genus Anthophora from Africa, T. D. A. Cockerell; Annals and Magazine of Natural History
New Species and Subspecies Collected in a Month in Guatemala, T. D. A. Cockerell; Journal of the New York Entomological Society
Notes on American Spiders of the Family Dictynidae, W. J. Gertsch; American Museum Novitates
Notes on the Habits of Some Panamanian Stingless Bees (Hymenoptera, Apidæ), Charles D. Michener; Journal of the New York Entomological Society
Taxonomic and Bionomic Notes on Some Panamanian Chiggers (Acarina, Trombiculinae), Charles D. Michener; Annals of the Entomological Society of America
Two New Species of Ptiloglossa from Arizona (Hymenoptera, Apoidea), Philip H. Timberlake; The Pan-Pacific Entomologist
1945
Uber die Farbungen der Stelis minima Schk., J. D. Alfken; Mitt. Desch. Ent. Gee.
The Sphecidae of Madagascar, George Arnold
Notes sur quelques Apides [Hym.] palearctiques, R. Benoist; Bulletin de la Société Entomologique de France
New Species and Subspecies of Rygchium From North America (Hymenoptera: Vespidae), Richard M. Bohart; Proceedings of the Entomological Society of Washington
On the Question Whether a Generic, or a Specific, Name Based Upon the Work of an Animal but Not on the Animal Itself Has Any Standing Under Article 25 of the International Code, James Chester Bradley; Bulletin of Zoological Nomenclature
The Scoliidae (Hymenoptera) of Northern South America, with Especial Reference to Venezuela. - I. The Genus Campsomeris, James Chester Bradley; Boletin de Entomologia Venezolana
Preliminary Studies on the Flight Range of the Indian Bee (Apis indica), M. C. Cherian and V. Mahadevan; The Indian Bee Journal
African Colletid Bees, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - CXCIX, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - CXCV, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - CXCVI, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - CXCVIII, T. D. A. Cockerell; Annals and Magazine of Natural History
The Colorado Desert of California: Its Origin and Biota, T. D. A. Cockerell; Transactions Kansas Academy of Science
Pollination of Late Flowering Red Clover Crop Caging Experiment, Beowulf A. Cooper
1944
Aanteekeningen bij den nestbouw van Megachile circumcinta K. (Hym. Apidae), P. Benno; Entomologische Berichten
Seed Setting in Red Clover, J. N. Bird; Journal of the American Society of Agronomy
Neue oder für Deutschland neue Bienen und Wespen und neue deutsche Fundorte einiger Arten. (Hym. Apid., Sphecid., Vespid.), Paul Blüthgen; Mitteilungen der Deutschen Entomologischen Gesellschaft, E. V.
Zweiter Beitrag zur Kenntnis der mitteleuropäischen Wegwespen. (Hym. Pompilidae)., Paul Blüthgen; Mitteilungen der Deutschen Entomologischen Gesellschaft, E. V.
A Preliminary Revision of the Pompilinae (Exclusive of the Tribe Pompilini) of the Americas (Hymenoptera: Pompilidae), James Chester Bradley; Transactions of the American Entomological Society
Scarab Beetles of the Genus Psammodius in the Western Hemisphere, O. L. Cartwright; Proceedings of the United States National Museum
A New Heridine Bee from Natal, T. D. A. Cockerell
Some African Bees, T. D. A. Cockerell; Annals and Magazine of Natural History
Some African Bees of the Genus Nomia, T. D. A. Cockerell; Psyche
Some African Megachilid Bees, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington
Notes and Descriptions of Some American Erotylidae, C. H. Curran; American Museum Novitates
A Comparative Study of the Appendages of the Eighth and Ninth Abdominal Segments of Insects, Charles D. Michener; Annals of the Entomological Society of America
The Distribution of the Osmiine Bees of the Deserts of North America, Charles D. Michener; The American Naturalist
1943
Natural crossing of white clover by bees, Sanford S. Atwood; Journal of American Society of Agronomy
Boletin de Entomologia Venezolana, Nathan Banks, Neal A. Weber, Jay R. Traver, C. F. Pifano, René Lichy, and Joseph Bequaert; Boletin de Entomologia Venezolana
Contribution a la connaissance des Hymenopteres de l'Afrique du nord francaise, R. Benoist; Bulletin de la Société Entomologique de France
Stingless Bees Nesting in Association with Ants (Hymenoptera), Joseph Bequaert; Bulletin of the Brooklyn Entomological Society
Über Das Variieren Der Dafypoda argentata Pz., H. Bischoff; Niederdonau / Natur und Kultur
A New Generic Name in Strepsiptera and Description of a New Species (Strepsiptera, Stylopidae), Richard M. Bohart; Bulletin of the Brooklyn Entomological Society
Insects and Pollination, Donald J. Borror; School Nature League Bulletin
Descriptions and Records of Bees - CLXXXIX, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - CXC, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - CXCIII, T. D. A. Cockerell; Annals and Magazine of Natural History
The natural cross-pollination of crop plants with particular reference to the radish, M. B. Crane and K. Mather; Ann. Apl. Biol
Need and Use of Boron for Alfalfa, D. E. Duncklee and A. R. Midgley; Vermont Agricultural Experiment Station Bulletin 501
The Blossom and the Bee, R. Ewert; Preussische Bienenzeitung
The Mutillidae or Velvet Ants of Georgia, P. W. Fattig; Emory University Museum Bulletin
A New Bee of the Genus Heriades from Panama (Hymenoptera, Megachilidæ), Charles D. Michener; Psyche
Sex Anomalies in the Genus Ashmeadiella (Hymenoptera) with Notes on the Homologies Between Male and Female Genital Appendages, Charles D. Michener; The Pan-Pacific Entomologist
The American Bees of the Genus Anthocopa with Notes on Old World Subgenera (Hymenoptera, Megachilidae), Charles D. Michener; Annals of the Entomological Society of America
The 40th Annual Summer Meeting and Field Day of the Pennsylvania State Beekeeper's Association, Pennsylvania State Beekeepers' Association; The Pennsylvania Beekeeper
Racial Differentiation in Nearctic Species of Dianthidium (Hymenoptera, Apoidea), Philip H. Timberlake; Journal of the New York Entomological Society
1942
Beitrag zur Kenntnis palaarktischer Bienen, J. D. Alfken
Ueber einige von Strand beschriebene Bienen von Kreta und andere Arten von dort., J. D. Alfken; Mitteilungen der Deutschen Entomologischen Gesellschaft
Cucumber Growing, W. R. Beattie; Farmers' Bulletin
Les Hymenopteres qui habitent les tiges de ronce aux environs de Quito (Equateur), R. Benoist; Ann. Soc. Entomol. France
Weitere Beiträge zur Kenntnis der paläarktischen Faltenwespen (Hym. Vespidae)., Paul Blüthgen; Izvestiia Tsarskite Prirodonauchni Instituti v Sofiia
A Synopsis of the Genus Micralictoides (Hymenoptera, Apoidea), George E. Bohart; The Pan-Pacific Entomologist
Notes on Some Feeding and Hibernation Habits of California Polistes (Hymenoptera-Vespidae), George E. Bohart; The Pan-Pacific Entomologist
An Analysis of the Odynerus Congressus Group of the Subgenus Leptochilus (Hymenoptera, Vespidae), Richard M. Bohart; The Pan-Pacific Entomologist
Notes on Bees (Hymen.: Andrenidae), James Chester Bradley; Entomological News
Supplement to Insects of North Carolina, C. S. Brimley
Bees of Guam, T. D. A. Cockerell; Insects of Guam - I
Bees of the Family Hylaeidae from the Ethiopian Region, T. D. A. Cockerell; Smithsonian Miscellaneous Collections
Collecting Wild Bees in the Yosemite, T. D. A. Cockerell; The Pan-Pacific Entomologist