A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast )Hymenoptera, Apoidea(
Berkeley
University of California Press
1954-1968
7 v. : ill. ; 26 cm.
University of California publications in entomology ;v. 9, no. 6, v. 11, no. 5, v. 41, no. 5, v. 71, no. 1, v. 82, no. 1-2, v. 94
Supplemented by: Supplementary studies on the systematics of the genus Perdita )Hymenoptera, Andrenidae( / by P.H. Timberlake. Berkeley : University of California Press, 1971-c1980. )University of California publications in entomology ; v. 66, 85(
Includes bibliographical references and indexes. Pt. 7 includes index to pt. 1-7