ROZEN, J. G., JR. 1994. Biology and immature stages of some cuckoo bees belonging to Brachynomadini, with descriptions of two new species (Hymenoptera: Apidae: Nomadinae). Am. Mus. Novit. 3089: 1-23
ROZEN, J. G., JR. 1997. New taxa of brachynomadine bees (Apidae: Nomadinae). Am. Mus. Novit. 3200: 1-26