Tachysphex incertus (Radoszkowski, 1877)

Distribution in the Arabian Peninsula: Oman (Guichard 1980; Pulawski 2007), United Arab Emirates (Hamer 1986, 1988; Gillett & Gillett 2005; Howarth & Gillett 2008), Saudi Arabia (Pulawski 2007).

Extralimital distribution: Europe north to southern France, northern Italy, Hungary, Slovakia, Ukraine, Russia, Africa south to southern Egypt to Mali, Asia north to Turkey, Kazakhstan, east to Pakistan.