Tachysphex sericans Gussakovskij, 1952 Distribution in the Arabian Peninsula: United Arab Emirates (Roche 1981; Hamer 1986, 1988 both as Tachysphex sericans (??); Gillett & Gillett 2005 as T. (?) sericans); Howarth & Gillett 2008 as T. sericans (?); Straka & Schmid-Egger 2017). Extralimital distribution: Cyprus, Syria, Tajikistan, Turkmenista, Uzbekistan.