Schmid-Egger, Christian, Majid Fallahzadeh, Mahdi Khosroabadi, and Toshko Ljubomirov. 2016. “A New Species of Holotachysphex De Beaumont, 1940 (Hymenoptera, Apoidea, Crabronidae) from Iran With Identification Key to Species”. Zootaxa 4169 (1). Auckland, New Zealand:187–193. https://doi.org/10.11646/zootaxa.4169.1.11.