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1970
Cucumber Pollination by Honey Bees, L. B. Davis, M. L. Laster, and G. M. Campbell; Mississippi State University Agricultural Experiment Station
An Analysis of Bee Behaviour as it Relates to Pollination, Keith M. Doull; The Indispensable Pollinators University of Arkansas
1969
La Biologie des Trigones et des Mélipones (Hyménoptères Apidæ) a la Lumière des Travaux Récents, Roger Darchen; L.Ennée Biologique
Le Comportement de Ponte des Reines des Deux Espèces d'Abeilles sans Dard (Trigones), Roger Darchen; Gazette Apocole
Sur La Biologie de Trigona (Apotrigona) Nebulata Komiensis Cock. I, Roger Darchen; Revue Biologia Gabonica
A Revision of the Bees of the Subgenus Cnemidandrena of North America, B. J. Donovan
Erneuter Nachweis von Camptopoeum frontale (F.) im Raum Halle/Saale (Hym. Apoidaea), Manfred Dorn; Deutsche Entomologische Zeitschrift
The Harmful Effects of Pesticides on Pollinators, Keith M. Doull; The Australian Beekeeper
1968
Observations on Orchids and Euglossine Bees in Panama and Costa Rica, Robert L. Dressler; Revista de Biologia Tropical
Pollination by Euglossine Bees, Robert L. Dressler; Evolution
1967
Study of Meleosis of Bees, S. G. Danielyan and K. M. Nalbandyan; International Apicultural Congress
Pollination and Seed-Setting in Diploid and Tetraploid Red Clover (Trifolium Pratense L.) under Danish Conditions II. Studies of Floret Morphology in Relation to the Working Speed of Honey- and Bumble-Bees (Hymenoptera: Apoidea), Brian A. Dennis and Heinrich Haas; Den kgl. Veterinær- og Landbohøjskole. Årsskrift
Pollination and Seed-Setting in Diploid and Tetraploid Red Clover (Trifolium Pratense L.) under Danish Conditions I. Seed-Setting in Relation to the Number and Type of Pollinating Insects, Brian A. Dennis and Heinrich Haas; Den kgl. Veterinær- og Landbohøjskole. Årsskrift
The Genus Notylia, Calaway H. Dodson; Studies in Orchid Pollination
Why do Euglossine Bees Visit Orchid Flowers?, Robert L. Dressler; Atas do Simpósio sôbre a Biota Amazônica
The Honeybee Embryo, E. J. DuPraw; Methods in Developmental Biology
1966
Sur l'Éthologie de Trigona (Dactylurina) Staudingeri Gribodoi (Hymenoptera Apidae), Roger Darchen; Biologia Gabonica
Le Nid de Trigona (Dactylurina) Staudingeri Gribodoi (Hymenoptera: Apidae), Roger Darchen and Janine Pain; Biologia Gabonica
Alfalfa Weevil Research in Utah, Donald W. Davis, Robert Perkes, and J. Wanless Southwick
Observations on Ropalidia variegata (Smith) (Hymenoptera: Vespidae), T. A. Davis; Entomological News
Nektarowanie i Wydajność Miodowa 4 Gatunków Roślin o Drobnych Kwiatach, Zofia Demianowicz and Boleslaw Jabloński; Pszczelnicze Zeszyty Naukowe
Cypripedium, Phragmopedium and Allied Genera, Calaway H. Dodson; American Orchid Society Bulletin
Ethology of Some Bees of the Tribe Euglossini (Hymenoptera: Apidae), Calaway H. Dodson; Journal of the Kansas Entomological Society
The Genus Anguloa, Calaway H. Dodson; Studies in Orchid Pollination
Gas Chromatography of Orchid Fragrances, Calaway H. Dodson and Harold G. Hills; Studies in Orchid Pollination
The Ecological Life History of Halictus (Seladonia) Confusus Smith (Hymenoptera: Halictidae), Robert Earl Dolphin; Dissertation Abstracts
The Relative Attractiveness to Pollen-Collecting Honeybees of some Different Pollens, Keith M. Doull; Journal of Apicultural Research
1965
The Genus Coryanthes, Calaway H. Dodson; Studies in Orchid Pollination
The Organization of Honey Bee Embryonic Cells I. Microtubules and Amoeboid Activity, E. J. DuPraw; Developmental Biology
1964
Biologie de Vespa Orientalis. Les Premiers Stades de Développement, Roger Darchen; Insectes Sociaux
Dority Boards, J. Dority; Dority Boards
Analysis of Sterols from Phytophagous Insects with a Mass Spectrometer, P. Duperon; Compar. Biochem. And Physiol.
Non-Linnean Taxonomy, E. J. DuPraw; Nature
1963
Competitive Displacement Between Ecological Homologues, Paul DeBach and Ragnhild A. Sundby; Hilgardia
Mites of the Honeybee in South-East Asia, Mercedes D. Delfinado; Journal of Apicultural Research
New Species of Spider Wasps, Genus Auplopus, from the Americas South of the United States (Hymenoptera: Psammocharidae), Robert R. Dreisbach; Proceedings of the United States National Museum
Techniques for the Analysis of Cell Function and Differentiation, Using Eggs of the Honeybee, E. J. DuPraw; Proc. 16th Intern. Congr. Zool. Washington D.C.
1962
Ein Beitrag zur Genetischen Basis der Quanten-Evolution, Th. Dobzhansky and W. Drescher; Evolution und Hominisation
The Importance of Pollination in the Evolution of the Orchids of Tropical America, Calaway H. Dodson; American Orchid Society Bulletin
1961
Les Mélipones et Leur Élevage: Melipona – Trigona –Lestremelitta, Roger Darchen and J. Louis; Annales de l'Abeille
Tropilaelaps, a New Genus of Mite from the Philippines (Laelaptidae [s. lat.]: Acarina), Mercedes D. Delfinado and Edward W. Baker; Fieldiana Zoology
Alfalfa for Forage Production in Arizona, R. E. Dennis, K. C. Hamilton, M. A. Massengale, M. H. Schonhorst, L. J. Erie, A. D. Halderman, L. R. Amburgey, C. O. Stanberry, T. C. Tucker, M. W. Nielson, D. M. Tuttle, P. D. Keener, and I. J. Shields; The University of Arizona Bulletin A-16
Natural Pollination of Orchids, Calaway H. Dodson and G. P. Frymire; Missouri Botanical Garden Bulletin
Insect Problems of Lucerne Seed Production in South Australia, Keith M. Doull; The Journal of the Australian Institute of Agricultural Science
Studies on the Efficiency of Pollination of Lucerne in South Australia, Keith M. Doull; Australian Journal of Agricultural Research
Eighteen New Species in the Genus Calicurgus Lepeletier (Hymenoptera: Psammocharidae) from Mexico, Central and South America with a Key to All the Species and Photomicrographs of the Male Genitalia and Subgenital Plates, Robert R. Dreisbach; The American Midland Naturalist
A Unique Hatching Process in the Honeybee, E. J. DuPraw; Trans. Am. Microscop. Soc.
1960
Nota Sobre um Ninho de Bombus Construido Acima do Chāo, D. Dias; Revista Brastileira de Entomologia
Procedures for Handling Preserved Bumblebee Specimens for Pupulation Studies, D. Dias; Turtox News
Honeybees and Lucerne Pollination, Keith M. Doull; The Australian Beekeeper
Lucerne for Seed, Keith M. Doull and J. D. Purdie; Journal of Agriculture
Two Additional New Species in the Genus Haploneurion (Hymenoptera: Psammocharidae) from Chile with a Key to the Known Species, Robert R. Dreisbach; Entomological News
1959
Deux Types de Cellules (Royales) Chez Apis Mellifica Existe-t-il Chez Apis Mellifica des Sexués de Remplacement?, Roger Darchen and M. Vuillaume; Annales de l'Abeille
Some Taxonomic Problems in Honeybees: I. The Concept of Supra-Generic Grouping, G. B. Deodikar; Bee World
Cyto-Genetic Studies in Indian Honey-Bees I. Somatic Chromosome Complement in Apis indica and its Bearing on Evolution and Phylogeny, G. B. Deodikar, C. V. Thakar, and Pushpa N. Shah; Proceedings of the Indian Academy of Sciences
Estado Actual do Conhecimento dos Himenópteros de Portugal, Manuel de Assunção Diniz; Memórias e Estudos do Museu Zoológico da Universidade de Coimbra
1958
La Importancia del "Abejorro", Melitoma euglossoides Lep. & Serv. en la Polinización de las Flores del Algodón Tangüis, Abel Dulanto Bartra; Rev. Peruana de Entomol. Agr.
Note on Survival and Feeding of Newly Hatched Larvae of Ctenicera Aeripennis Destructor (Brown) (Coleoptera: Elateridae), G. R. F. Davis; Annals of the Entomological Society of America
Poisoning of Honeybees Foraging on Euphorbia Geniculata, G. B. Deodikar, C. V. Thakar, R. P. Phadke, and Pushpa N. Shah; Bee World
Evolution in the Genus Apis and its Bearing on Breeding Better Strains of Indian Bees, G. B. Deodikar, C. V. Thakar, and K. V. Tonapi; The International Conference of Bee Research Workers
Abnormal Segmentation in "Bombus" Affecting Abdominal Sternites, Musculature and Nerve Cord (Hymenoptera, Apoidea), D. Dias; Rev. Brasil. Biol.
Contribuiçáo Para o Conhecimento da Bionomia de Bombus Incarum Franklin da Amazônia (Hymenoptera: Bombidae), D. Dias; Revista Brastileira de Entomologia
Want to Move Alkali Bees?, D. C. Dix
Three New Species of Haploneurion Kohl (Hymenoptera: Psammocharidae) from Chile, Robert R. Dreisbach; Entomological News
Two New Species in the Genus Pompilinus (Hymenoptera: Psammocharidae) with Photomicrographs of the Genitalia and Subgenital Plate of the Male, Robert R. Dreisbach; Entomological News
1957
Contributions to the Morphology and Phylogeny of the Reduvioidea (Hemiptera: Heteroptera). Part I. The Morphology of the Abdomen and Genitalia of Phymatidae, Norman T. Davis; Annals of the Entomological Society of America
A Review of Work, G. B. Deodikar
Comparative Notes on the Ventral Nerve Cord of Certain Apinae Bees, D. Dias; Rev. de Agricultura
A New Species in the Genus Arachnoproctonus (Hymenoptera: Psammocharidae) with Photomicrographs of the Genitalia and Subgenital Plate, Robert R. Dreisbach; Entomological News
Progress Report of an Investigation of the Relationship of Water Table Level Fluctuation to Mosquito Development and Population Density, 1954-1956, F. R. Du Chanois and L. B. Alltop; Mosquito News
1956
A New Species in the Genus Evagetes (Hymenoptera: Psammocharidae) with Photomicrographs of the Genitalia and Subgenital Plate, Robert R. Dreisbach; Entomological News
1955
Contribution a l'Étude Biologique des Polistes (Hyménoptères Vespides) II.–Le Cycle Évolutif du Couvain, Édouard-Philippe DeLeurance; Insectes Sociaux
Two New Species in the Genera Dipogon Fox and Minagenia Banks (Hymenoptera, Psammocharidae), Robert R. Dreisbach; Entomological News
Two New Species in the Genera Priocnemis and Priocnessus (Hymenoptera: Psammocharidae) from Mexico, Robert R. Dreisbach; Entomological News
Honey Bees are Effective in Pollination of Red Clover, W. E. Dunham; Ohio Farm and Home Research
1954
Greater Bee Concentration is needed for Adequate Pollination of Clover Fields, W. E. Dunham; Ohio Farm and Home Research
1952
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
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
Key to the American Genera of the Subfamily Cryptocheilinæ (Hymenoptera: Psammocharidæ) Males and Females, Robert R. Dreisbach; Journal of the New York Entomological Society
Preparing and Photographing Slides of Insect Genitalia, Robert R. Dreisbach; Systematic Zoology
Insect Pollination of Ladino Clover in South Carolina, David Dunavan; Journal of Economic Entomology
1951
Ovule Formation as a Factor Influencing Seed-Setting of Ladino White Clover, L. Dessureaux; Scientific Agriculture
Postembryonic Changes in the Digestive Tract of the Worker Honeybee (Apis Mellifera L.), T, M. Dobrovsky; Memoir 301
The Family Bembecidae (Hymenoptera: Sphecoidea) in Michigan, with Keys to the Genera and the Species of the State and Distribution Records, Robert R. Dreisbach; Papers of the Michigan Academy of Science, Arts and Letters
1950
Variation in the Seed Setting Ability of Ladino White Clover, L. Dessureaux; Scientific Agriculture
A New Species and New Variety in the Genus Priochilus Banks (Hymenoptera: Psammocharidae) with a Key to the Species of North America and the Antilles, Robert R. Dreisbach; Bulletin of the Brooklyn Entomological Society
A New Species in the Genus Alasagenia Banks (Hymenoptera: Psammocharidae) with a Key to the Species of North America, Robert R. Dreisbach; Entomological News
A New Species of the Genus Lissagenia Banks (Hymenoptera: Psammocharidae) from Central America, Robert R. Dreisbach; Entomological News
1949
Ethologische Waarnemingen aan een Nest van Bombus e. Equestris (F.), P. J. Den Boer and D. A. Vleugel; Tijdschrift Voor Entomologie
Key to the Genera of Psammocharidae (Hymenoptera: Vespoidea), for the Females, of North America, Mexico, Panama, Central America, and the Caribbean Region, Robert R. Dreisbach; Papers of the Michigan Academy of Science, Arts and Letters
1948
The Fauna of Krakatau, Karol Willem Dammerman; The Fauna of Krakatau
Les Prédateurs et les Parasites de la Chrysomèle du Peuplier, Jean Devantoy; La Feuille des Naturalistes
Influence of Insects on Alfalfa Seed Production in Iowa, Carl J. Drake; Journal of Economic Entomology
A New Species of the Genus Tachytes from Michigan (Hymenoptera: Larridae), Robert R. Dreisbach; Entomological News
Keys to the Subfamilies and Tribes of Pompilidae (Hymenoptera: Vespoidea) in North America and to the Genera in Michigan, Robert R. Dreisbach; Papers of the Michigan Academy of Science, Arts and Letters
The Description of a New Species of the Genus Ceropales (Hymenoptera: Psammocharidæ) with a Key to the Species of North America, Robert R. Dreisbach; Journal of the New York Entomological Society
Bumble-Bee Species in New Zealand, L. J. Dumbleton; The New Zealand Journal of Science and Technology
1945
The Green Halictine Bees of the Genera Agapostemon, Augochlora, Augochlorella, and Augochloropsis (Hymenoptera: Apoidea) in Michigan, with Keys and Distribution, Robert R. Dreisbach; Papers of the Michigan Academy of Science, Arts and Letters
1943
Need and Use of Boron for Alfalfa, D. E. Duncklee and A. R. Midgley; Vermont Agricultural Experiment Station Bulletin 501
1942
Pollen-Containing Sprays for the Cross-Pollination in Ohanez Grapes, T. C. Dunne; Journal of Agriculture