Head of male, front view, and mandibles. 1 Tachysphex smissenae sp. n. 2 T. bohemicus sp. n. 3 T. cretensis sp. n. 4 T. dimidiatus 5 T. jokischianus 6 T. nigripennis 7 T. nobilis sp. n. 8 T. punctipleuris sp. n. 9 T. pompiliformis 10 T. opacus 11 T. opacus, mandible, frontal view 12 T. pompiliformis, mandible, frontal view.

 
 
  Part of: 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