Taxon classification Animalia Coleoptera Hydraenidae

Genus Ochthebius Leach, 1815 Figs 18, 19, 22, 23, 29, 30, 31, 37, 38, 45, 46

Ochthebius Leach, 1815: 95. Type species: Helophorus marinus Paykull, 1798.

Diagnosis.

Body (Fig. 26) with distinct pronoto-elytral angle. Head (Fig. 27) with a transverse groove separating clypeus and frons, the latter on each side with an interocular pit-like depression and a short longitudinal depression or groove on postero-medial part. Anterior margin of labrum truncate, sometimes with a small medial emargination. Pronotum (Figs 21, 30, 37, 45) with a narrow hyaline membranous cuticula, middle pronotal portion raised, and with longitudinal or transversal groove. Elytra (Figs 22, 31, 38, 46) with rows of punctures (Chiesa 1959; Hansen 1987; Jäch 1992).

Key to the species of South Korean Ochthebius