Taxonomic revision of the genus Parena Motschulsky, 1860 (Coleoptera, Carabidae, Lebiini, Metallicina) Author Shi, Hongliang 0000-0002-9989-5830 shihl@bjfu.edu.cn Author Liang, Hongbin 0000-0002-9989-5830 shihl@bjfu.edu.cn text Zootaxa 2023 2023-05-18 5286 1 1 144 http://dx.doi.org/10.11646/zootaxa.5286.1.1 journal article 263342 10.11646/zootaxa.5286.1.1 67e7a105-1f62-414a-83d9-f758039eb726 1175-5326 7958937 F9834684-24D3-4795-B5EB-77B451DF856D 5. Parena dorsigera species group This species group contains two species distributed throughout East Asia , north to Japan , south to Laos and Vietnam , and west to Nepal . They are characterized by: dorsum uniformly brown, elytra with indistinct middle paler patch in a few specimens; pronotum nearly quadrate; elytral apices truncate, outer apical angles distinct ( Figs 5G–J ); median lobe of aedeagus stout to very stout (AL/AW 3.5–4.2), apical lamella short, coniform; gonocoxite II of ovipositor rectangular, apex with five to seven ensiform setae, subequally arranged or grouped at angles.