Ochthebiinae, Thomson, 1859

Valladares, Luis F. & Short, Andrew Edward Z., 2011, Revision of the Ochthebiinae of Venezuela (Coleoptera: Hydraenidae), Zootaxa 3021, pp. 63-68 : 63

Key to the species of Ochthebiinae of Venezuela

1 Pronotum with prominent lobe-shaped anterior angles,; foveae well developed and deep ( Fig. 1A). Aedeagus ( Fig. 2A) with the main piece bifid; parameres longer than main piece ...................... Gymnochthebius fossatus (LeConte)

- Pronotum without lobate anterior angles; foveae shallow ( Fig. 1B,C). Aedeagus with the main piece single; parameres shorter than main piece ( Fig. 2B,C) ............................................................................................................ 2

2 Pronotum ( Fig. 1B) with the anterior and posterior foveae united forming a sinuate line; anterior margin without postocular tooth. Aedeagus (ventral view) with the distal lobe subcylindrical, slightly widened near the apex ( Fig. 2B).................................................................................................................................... Ochthebius lineatus LeConte

- Pronotum ( Fig. 1C) with the anterior and posterior foveae not externally united; with postocular tooth in the pronotal anterior margin. Aedeagus (ventral view) with the distal lobe apically arcuate ( Fig. 2C) ............................................ ......................................................................................................................................... Ochthebius atrittus LeConte