The Genus Lithurgus (Hymenoptera: Megachilidæ)
Published in Psyche: A Journal of Entomology, in 1938, in volume 45, issue 4, pages 146-155
Date published:1938
Published in Psyche: A Journal of Entomology, in 1938, in volume 45, issue 4, pages 146-155
Date published:1938