Jacobs, H.-J. und Liebig, W.-H. (2018) „Records of digger wasps from Eastern Siberia and the Far East of Russia (Hymenoptera: Sphecidae, Crabronidae)“, Beiträge zur Entomologie = Contributions to Entomology, 68(1), S. 133–149. doi: 10.21248/contrib.entomol.68.1.133-149.