Get the Co RSS feed
To enable the Co RSS feed, simply drag this link into your RSS reader.
1928
A New Bee of the Genus Andrena Visiting Senecio, T. D. A. Cockerell; Psyche
Bees Collected by Nathan Banks in the Vicinity of the Panama Canal, T. D. A. Cockerell; Psyche
Bees Collected in Siberia in 1927, T. D. A. Cockerell; Annals and Magazine of Natural History
III. Bees Collected by Dr. W. M. Wheeler at Flowers of Triplaris, T. D. A. Cockerell; Psyche
Some Bees from Utah, T. D. A. Cockerell; Psyche
Supplementary Notes on Colorado Bees, With a List of All the Genera, Theodore D. A. Cockerell; University of Colorado Studies
The Types of Hymenoptera in the Academy of Natural Sciences of Philadelphia Other Than Those of Ezra T. Cresson, Ezra Townsend Cresson; Memoirs of the American Entomological Society
On the Nesting Habits of Melissodes Latr. (Hymenop.), Clarence P. Custer; The Canadian Entomologist
Parasites of Some Anthidiine Bees (Hym. : Megachile, Chrysididae; Dipt. : Bombyliidae)., Clarence P. Custer; Entomological News
The Bee That Works in Stone; Perdita Opuntiae Cockerell, Clarence P. Custer; Psyche
Sainfoin for Bees, C. P. Dadant; American Bee Journal
1927
Bees Collected by Dr. H. M. Smith on Turtle Island (Koh Tao), Gulf of Siam, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington
Bees from Malay Peninsula, T. D. A. Cockerell; Annals and Magazine of Natural History
Bees of the Genera Agapostemon and Augochlora in the Collection of the California Academy of Sciences, T. D. A. Cockerell; The Pan-Pacific Entomologist
Hymenoptera from Lucban, Philippine Islands, T. D. A. Cockerell; The Philippine Journal of Science
Megachilid Bees from Bolivia Collected by the Mulford Biological Expedition, 1921-1922, T. D. A. Cockerell; Proceedings of the United States National Museum
Northern Types of Insects in Peru, T. D. A. Cockerell; The Entomologist
Some Australian Bees, T. D. A. Cockerell; The Entomologist
Some Bees, Principally from Formosa and China, T. D. A. Cockerell; American Museum Novitates
Some North and South American Bees, T. D. A. Cockerell; Annals of the Entomological Society of America
Two New Types of Desert Bees, T. D. A. Cockerell; The Pan-Pacific Entomologist
Notes on the Life-History of Two Oriental Chalcidoid Parasites of Chrysomphalus, Harold Compere and Harry S. Smith; University of California Publications in Entomology
Osmia Saundesi, Auguste Cros; Bull. & Ann. de la Soc. Entom. de Belg.
Nesting Habits of a Solitary Bee of the Genus Spinoliella of Ashmead, Clarence P. Custer; Psyche
Nesting Habits of Some Anthidiine Bees, Clarence P. Custer and Charles H. Hicks; Biological Bulletin
1926
Descriptions and Records of Bees — CIX, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — CVIII, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — CX, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — CXI, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — CXIII, T. D. A. Cockerell; Annals and Magazine of Natural History
New Halictine Bees from Australia, T. D. A. Cockerell; The Entomologist
Some Bees in the Collection of the California Academy of Sciences, T. D. A. Cockerell; The Pan-Pacific Entomologist
North American Bees of the Genus Panurginus, J. C. Crawford; Proceedings of the Entomological Society of Washington
1925
Bees of the Genus Cœlioxys in the Collection of the California Academy of Sciences, T. D. A. Cockerell; The Pan-Pacific Entomologist
Descriptions and Records of Bees — CIV, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — CV, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — CVI, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — CVII, T. D. A. Cockerell; Annals and Magazine of Natural History
Diploplectron in California (Hymen. : Sphegoidea), T. D. A. Cockerell; Entomological News
Some Bees Collected by Mr. P. H. Timberlake at Riverside, California, T. D. A. Cockerell; The Pan-Pacific Entomologist
Some Bees from New Zealand, T. D. A. Cockerell; Annals and Magazine of Natural History
Some Bees from the Pyrenees, T. D. A. Cockerell; The Entomologist
Some Halictine Bees from the Maritime Province of Siberia [On the Insect Fauna of the Maritime Province of Siberia], T. D. A. Cockerell; Proceedings of the United States National Museum
Some Parasitic Bees of the Pacific Coast Region, T. D. A. Cockerell; The Pan-Pacific Entomologist
Some Philippine Bees, T. D. A. Cockerell; The Philippine Journal of Science
Tertiary Insects from Kudia River, Maritime Province, Siberia, T. D. A. Cockerell; Proceedings of the United States National Museum
The Entomology of the Gulf of California, T. D. A. Cockerell; The Pan-Pacific Entomologist
XI: Bees in the Collection of California Academy of Sciences, T. D. A. Cockerell; Proceedings of the California Academy of Sciences
XV: Anthidiine Bees in the Collection of the California Academy of Sciences, T. D. A. Cockerell; Proceedings of the California Academy of Sciences
Bees from Samar, Philippine Islands, T. D. A. Cockerell and Norma LeVeque; The Philippine Journal of Science
Les Osmies de la Belgique, A. Crèvecoeur; Bull. & Ann. de la Soc. Entom. de Belg.
1924
A New Bee from Oregon, T. D. A. Cockerell; Psyche
Anthophorid Bees in the Collection of the California Academy of Sciences, T. D. A. Cockerell; The Pan-Pacific Entomologist
Bees from the Tonga and Samoa Islands, T. D. A. Cockerell; Annals of the Entomological Society of America
Bees of the Genus Andrena in the Collection of the California Academy of Sciences, T. D. A. Cockerell; The Pan-Pacific Entomologist
Descriptions and Records of Bees — C, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — CI, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — CII, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — CIII, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — XCIX, T. D. A. Cockerell; Annals and Magazine of Natural History
New Anthophorid Bees from Arizona and Wyoming, T. D. A. Cockerell; American Museum Novitates
Notes on the Structure of Bees, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington
XXVII: Expedition of the California Academy of Sciences to the Gulf of California in 1921: The Bees (II), T. D. A. Cockerell; Proceedings of the California Academy of Sciences
XIX: Parasitic Bees (Epeolinæ and Melectinæ) in the Collection of the California Academy of Sciences, T. D. A. Cockerell and Grace Sandhouse; Proceedings of the California Academy of Sciences
Les Nids D'Hymenopteres, Leon Marcel Coulon; Societe d'etude des Sciences Naturelles d'Elbeuf
1923
A Bee-Collecting Trip Across the Plains (Hym. : Apoidea, Sphecoidea), T. D. A. Cockerell; Entomological News
Descriptions and Records of Bees — XCVII, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees — XCVIII, T. D. A. Cockerell; Annals and Magazine of Natural History
Some Bees from British Guiana, T. D. A. Cockerell; Annals and Magazine of Natural History
Some Bees from Victoria, Mexico, T. D. A. Cockerell; Proceedings of the United States National Museum
Some Colorado Bees, T. D. A. Cockerell; The Canadian Entomologist
Two Fossil Hymenoptera from Florissant (Vespidae, Megachilidae), T. D. A. Cockerell; Entomological News
Two Nocturnal Bees and a Minute Perdita, T. D. A. Cockerell; American Museum Novitates
Two Nocturnal Bees and a Minute Perdita, T. D. A. Cockerell; American Museum Novitates
VII: Expedition of the California Academy of Sciences to the Gulf of California in 1921: The Bees (I), T. D. A. Cockerell; Proceedings of the California Academy of Sciences
A Comparison of the Labium in Certain Holometabolous Insects from the Standpoint of Phylogeny, G. C. Crampton; Proceedings of the Entomological Society of Washington
1922
Australian Bees in the Queensland Museum, T. D. A. Cockerell; Memoirs of the Queensland Museum
Bees in the Collection of the United States National Museum. -4, T. D. A. Cockerell; Proceedings of the United States National Museum
Bees of the Genus Panurginus Obtained by the American Museum Rocky Mountain Expeditions, T. D. A. Cockerell; American Museum Novitates
Bees of the Genus Perdita from the Western States, T. D. A. Cockerell; American Museum Novitates
Descriptions and Records of Bees - XCII, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - XCIII, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - XCIV, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - XCV, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - XCVI, T. D. A. Cockerell; Annals and Magazine of Natural History
New Bees from the Madeira Islands. (Hym.), T. D. A. Cockerell; Proceedings of the Entomological Society of Washington
Notes on Some Western Bees, T. D. A. Cockerell; American Museum Novitates
Some Canadian Bees, T. D. A. Cockerell; The Canadian Entomologist
Two New Subgenera of North American Bees, T. D. A. Cockerell; American Museum Novitates
1921
Australian Bees in the Queensland Museum, T. D. A. Cockerell; Memoirs of the Queensland Museum
Descriptions and Records of Bees - XC, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - XCI, T. D. A. Cockerell; Annals and Magazine of Natural History
I. -Fossil Arthropods in the British Museum. -V. Oligocene Hymenoptera from the Isle of Wight, T. D. A. Cockerell; Annals and Magazine of Natural History
Some Parasitic Megachilid Bees of the Western United States, T. D. A. Cockerell; American Museum Novitates
The Epeoline Bees of the American Museum Rocky Mountain Expeditions, T. D. A. Cockerell; American Museum Novitates
Western Bees Obtained by the American Museum Expeditions, T. D. A. Cockerell; American Museum Novitates
1920
A New Leaf-Cutting Bee from the Hawaiian Islands, T. D. A. Cockerell; The Canadian Entomologist
Descriptions and Records of Bees - LXXXIX, T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees - LXXXVIII, T. D. A. Cockerell; Annals and Magazine of Natural History
Malayan Bees, T. D. A. Cockerell; The Philippine Journal of Science