Tachysphex unicolor (Panzer, 1809)

Distribution in Iran: Alborz, Ardabil, Sistan & Baluchestan, Tehran (Ebrahimi 2000; 2005; 2014), Mazandaran (Ebrahimi 2014).

General distribution: Palaearctic (Afghanistan, Algeria, Austria, Belarus, Belgium, Bulgaria, Canary Islands, China, Croatia, Czech Republic, Egypt, France, Germany, Great Britain, Greece, Hungary, Iran, Israel, Italy, Kazakhstan, Luxembourg, Libya, Malta, Morocco, Netherlands, Poland, Portugal, Romania, Russia, Slovakia, Slovenia, Spain, Switzerland, Turkey, Turkmenistan, Ukraine).