Reference
Manfred A. Jäch, Juan A. Delgado, Dariusz Twardy, Adrian Villastrigo, Wolfgang Dorfer (2019): Ochthebius (s.str.) caudatus FRIVALDSZKY, 1883: redescription, new records, and group assignation based on molecular data (Coleoptera: Hydraenidae) – Koleopterologische Rundschau – 89_2019: 17 - 28.