Ctesias (Decemctesias) iranica sp. n., C. (D.) similis sp. n. and C. (Tiresiomorpha) hajeki sp. n., all from Iran, are
described, illustrated and compared with related species. A new combination C. (D.) maculifasciata (Reitter, 1899) comb. n., for
the species from Turkey and Syria is proposed and a male specimen of this species is illustrated for the first time.