Cydnus pilosulus Klug, 1845: sign. c. STS: Egypt, Alexandria; ZMHB.
Cydnus lacconotus Fieber, 1861a: 363 (syn. Horváth, 1917a: 370). STS: Germany (Bavaria; in error) and Italy (Sicily); NHMW.
Cydnus dilutus Ferrari, 1874: 122 (syn. Signoret, 1881e: 636). ST(S): Iran.
Aethus karachiensis Ahmad, Moizuddin & Khan, 1979: 14, 17. Nomen nudum.
Aethus karachiensis Moizuddin & Ahmad, 1990: 315 (syn. J.A. Lis, 1993b: 90). HT: male, Pakistan, Sind, Karachi; Natural History Museum, University of Karachi, Pakistan.