Packer, L. 2006.

A new Leioproctus with unique wing venation in males (Hymenoptera: Colletidae: Paracolletinae) with comments on unusual wing modifications in bees

. Zootaxa. 1104, 1 (Jan. 2006), 47–57. DOI:https://doi.org/10.11646/zootaxa.1104.1.4.