Lutz, Frank Eugene, 1879-1943.Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948.2005-10-062005-10-061920http://hdl.handle.net/2246/936p. 491-641 ; 24 cm.Includes bibliographical references (p. 629-641).12600928 bytesapplication/pdfen-USQH1 .A4 vol.42, art.15, 1920Bees -- North America -- Geographical distribution.Bees -- Seasonal distribution -- North America.Bees -- North AmericaInsect-plant relationships -- North America.Insects -- North America -- Geographical distribution.Insects -- Seasonal distribution -- North America.Insects -- North AmericaNotes on the distribution and bibliography of North American bees of the families Apidae, Meliponidae, Bombidae, Euglossidae, and Anthophoridae. Bulletin of the AMNH ; v. 42, article 15.Notes on American beestext