Tachysphex grandissimus Gussakovskij, 1933

Tachysphex grandissimus Gussakovskij 1933:282, ♀, ³ (³ = Tachysphex sordidus). Lectotype: ♀, Iran: BampurKaskin, designated by Pulawski 1971:422.

Tachysphex argyrius (³ only): Gussakovskij 1933:280 (Iran), corrected to Tachysphex grandissimus by Gussakovskij 1952:237.

Distribution in Iran: Sistan & Baluchestan (Gussakovskij 1933; Pulawski 1971; 2007), Fars (Sadeghi et al. 2018), Hormozgan (Fallahzadeh et al. 2018).

General distribution: Afrotropical (Chad, Mali); Oriental (India, Pakistan, Sri Lanka); Palaearctic (Egypt, Israel, Kazakhstan, Kuwait, Libya, Morocco, Palestine, Saudi Arabia, Tajikistan, Tunisia, Turkmenistan, United Arab Emirates).