Prionyx nudatus (Kohl 1885)
Sphex nudatus Kohl 1885a: 187 . Syntypes: Ƥ, 3, Ukraine: Yekaterinoslav, now Dnepropetrovsk, Russia: Sarepta, now Volgograd; Caucasus: no specific locality; Turkey: Brussa, now Bursa; Dalmatia, now Croatia and Montenegro; Egypt: no specific locality (NHMW).
Prionyx nudatus: Bohart & Menke 1976: 133; Kazenas 1978: 44; 1998: 119; 2001: 85; 2002: 29; Pulawski 2012: 19.
Material examined: 124 Ƥ, 135 3 from Russia, Ukraine, Uzbekistan, Tajikistan, Kyrgyzstan, Kazakhstan, and Morocco.
Distribution: Spain, Croatia, Turkey, Ukraine, Russia (Astrakhan, Volgograd, Rostov and Voronezh Regions, Altai Territory and Tyva Republic), Iran, Turkmenistan, Uzbekistan, Afghanistan, Tajikistan, Kyrgyzstan, Kazakhstan, North China, Morocco, Tunisia, Egypt.