Tachysphex prismaticus Straka, 2005

Straka, Jakub, 2016, Tachysphexaustriacus Kohl, 1892 and T. pompiliformis (Panzer, 1804) (Hymenoptera, Crabronidae) are a complex of fourteen species in Europe and Turkey, ZooKeys 577, pp. 63-123 : 68

Taxon classification Animalia Hymenoptera Crabronidae

Tachysphex prismaticus Straka, 2005

Type material.

Holotype: ♂, Kazakhstan: "Kazakhstan 20km / SE Aksay env / 16. - 19. 6. 1992 / leg.K.Denes", printed label. Holotype in OLML, examined.

Diagnosis.

Tachysphex prismaticus Straka resembles Tachysphex austriacus Kohl, Tachysphex hungaricus sp. n., and Tachysphex smissenae sp. n. in the shape of the clypeus and well developed punctures on the ventral part of the mesopleuron. It differs from the other species of the subgroup in the following character combination: ♂, ♀: mesopleuron rugose to densely punctate; venter of all trochanters with punctures several diameters apart, their interspaces unsculptured; all femora and tibiae black; ♂: volsella with large dorsal process; ventral volsellar setae in one line; ♀: clypeal lip with distinct irregular median emargination; clypeal bevel forming flat plate, separated from basomedian clypeal area by relatively sharp, more or less angulated transition; scutum and scutellum sparsely punctate, punctures up to two diameters apart at scutum center; forebasitarsal rake with four apical spines.

Geographic distribution.

Kazakhstan, Kyrgyzstan and Turkey.

Note.

Full description and all material is given in Straka (2005).