Author: Timberlake, P.H.
Title: A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the Pacific Coast (Hymenoptera, Apoidea). Part II-VII.
Description: Berkeley & L.A., 1956-68. 6 (of 7) parts. Uniform softcovers. (University of California publications in entomology, vol. 11, no. 5; vol. 14, no. 5; vol. 17, no. 1; vol. 28, no. 1 & 2; vol. 49 ).Missing part I.

Keywords: Entomology Bees Apoidea Entomologie Bijen