Title: Descriptions of new species of Perdita (Hymenoptera, Apoidea) in the collection of the California Academy of Sciences
First published: 1977
Subjects: California Academy of Sciences, Catalogs and collections, Classification, Insects, Perdita
LC classification: Q11 .C253 vol. 41, no. 10, QL568.A4 .C253 vol. 41, no. 10