Schmid-Egger, C., Fallahzadeh, M., Khosroabadi, M., & Ljubomirov, T. (2016). A new species of Holotachysphex de Beaumont, 1940 (Hymenoptera, Apoidea, Crabronidae) from Iran with identification key to species. Zootaxa, 4169(1), 187–193. https://doi.org/10.11646/zootaxa.4169.1.11