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 3. Parena testacea species group This species group contains five allopatric species, distributed all through the Oriental Realm and eastern to Papua New Guinea and the Solomon Islands . They are characterized by: dorsum pale yellow, elytra entirely yellow or with large dark median patch; tarsi black, distinctly darker than other portions of legs; antennae bicolor, basal one or three antennomeres yellow, apical antennomeres black; elytral striae not incised, replaced by lines of punctures, intervals flat; elytral sutural angles pointed or not, forming denticles or spines, outer apical angles well rounded to distinctly angulate; median lobe of aedeagus slightly stouter than previous two groups, gradually attenuate to apex, apical lamella more or less bent to dorsum.