The genera of bees of the tribe Eucerini in North and Central America (Hymenoptera, Apoidea). American Museum novitates ; no. 1837

LaBerge, Wallace E.2005-10-062005-10-061957http://hdl.handle.net/2246/247144 p. : ill. ; 24 cm.Includes bibliographical references (p. 42-44).4476958 bytesapplication/pdfen-USQL1 .A436 no.1837, 1957EuceriniBees -- North AmericaBees -- Central AmericaInsects -- North AmericaInsects -- Central AmericaThe genera of bees of the tribe Eucerini in North and Central America (Hymenoptera, Apoidea). American Museum novitates ; no. 1837text