Ochthebius madli Jach 1992

Jach 1992. Revision of the Palaearctic-species of the genus Ochthebius Leach, 1815. 9. The andraei and notabilis species groups (Coleoptera, Hydraenidae). Nachrichtenblatt der Bayerischen Entomologen, 41(1) 1992: 7-21