Uenotrechus Deuve et Tian, 1999

Wei, Guofu, Chen, Jujian & Tian, Mingyi, 2017, A review of the aphaenopsian ground beetle genus Uenotrechus Deuve et Tian, 1999 (Coleoptera: Carabidae: Trechinae), Zootaxa 4282 (2), pp. 361-373 : 362-363

Key to species of the genus Uenotrechus Deuve et Tian, 1999

1 Mentum tooth bifid, male genitalia long and elongated, with a distinct sagittal aileron, apical lobe notched and distinctly reflexed in lateral view. The northern congeners............................................................. 2

- Mentum tooth simple, male genitalia short and stout, lacking sagittal aileron, apical lobe bent at tip or strongly hooked ventrally in lateral view. The southern congeners................................................................ 3

2 Head expanded laterally, hind pronotal angles bluntly rectangular, base of pronotum more or less sinuate........................................................................................ Uenotrechus liboensis Deuve et Tian

- Head subparallel-sided, hind pronotal angles pointedly rectangular, base of pronotum nearly straight.................................................................................. Uenotrechus nandanensis Deuve et Tian , bona sp.

3 Hind angles of pronotum broadly obtuse, elytra strongly convex, median lobe of aedeagus shortly bent and hooked ventrally at tip, each of the right and left parameres bearing three long apical seta......... Uenotrechus gejianbangi Tian et Wei , sp. n.

- Hind angles of pronotum rectangular, elytra less convex, median lobe of aedeagus largely bent and strongly hooked ventrally, each of the right and left parameres bearing four long apical setae............... Uenotrechus deuvei Tian et Chen , sp. n.