Genus-group names of bees and supplemental family-group names / by Charles D. Michener.

no.1

New genera and subgenera of augochlorine bees (Hymenoptera: Halictidae) / by Michael S. Engel, Robert W. Brooks, and Douglas Yanega.

no.5

A new Venezuelan honey creeper, by Emmet R. Blake.

v.24:no.14(1940)

Phylogenetic relationships and classification of the major lineages of Apoidea (Hymenoptera) : with emphasis on the crabronid wasps / by Gabriel A. R. Melo.

no.14