A revision of the Australian hylaeine bees (Hymenoptera: Colletidae) II /

by Houston, Terry F.
Published 1981

A revision of the Australian hylaeine bees (Hymenoptera: Colletidae): I Introductory material and the genera Heterapoides Sandhouse, Gephyrohylaeus Michener, Hyleoides Smith, Pharo...

by Houston, Terry F.
Published 1975