Rozen, Jerome G., Jr. (Jerome George), 1928-McGinley, Ronald J.2005-10-062005-10-061991http://hdl.handle.net/2246/503211 p. : ill. ; 26 cm.Includes bibliographical references (p. 11)2567748 bytesapplication/pdfen-USQL1 .A436 no.3005, 1991Townsendiella pulchra.Hesperapis larreae.Bees -- Arizona.Insects -- Arizona.Host-parasite relationships.Biology and larvae of the cleptoparasitic bee Townsendiella pulchra and nesting biology of its host Hesperapis larreae (Hymenoptera, Apoidea). American Museum novitates ; no. 3005text