Figures 103-105 from: Straka J (2016) Tachysphex austriacus Kohl, 1892 and T. pompiliformis (Panzer, 1804) (Hymenoptera, Crabronidae) are a complex of fourteen species in Europe and Turkey. ZooKeys 577: 63-123. https://doi.org/10.3897/zookeys.577.7301

Figures 103-105 - Habitus, dorsal and lateral view. 103 Tachysphex nigripennis, female, dorsal view 104 Tachysphex cretensis sp. n., male, dorsal view 105 Tachysphex ferrugineus, female, lateral view.