Head of female, front view. 13 Tachysphex hungaricus sp. n. 14 T. smissenae sp. n. 15 T. bohemicus sp. n., 16 T. dimidiatus 17 T. jokischianus 18 T. nigripennis 19 T. nobilis sp. n. 20 T. pompiliformis 21 T. punctipleuris sp. n.

 
 
  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