Jacobs, H.-J., & 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): 133-149 - doi: 10.21248/contrib.entomol.68.1.133-149