Author: Timberlake, P.H.
Title: A contribution to the systematics of North American species of Synhalonia. (Hymenoptera, Apoidea).
Description: Berkeley, 1969. 70 pp. 6 plts. Soft cover. (Univ. Calif. Publ. Entomol. 57).

Keywords: Entomology Bees Apoidea Entomologie Bijen