Nemkov, P.G. and Pulawski, W.J. 2009. A cladistic analysis of Gorytina (Hymenoptera: Crabronidae: Bembicini), with a reclassification of the subtribe. Zootaxa. 2069, 1 (Apr. 2009), 1–17. DOI:https://doi.org/10.11646/zootaxa.2069.1.1.