Korean species of the genus Amischa Thomson (Coleoptera: Staphylinidae Aleocharinae), with a description of new species Author Lee, Seung-Gyu Animal Resources Division, National Institute of Biological Resources, Incheon 22689, South Korea. Author Ahn, Kee-Jeong Department of Biology, Chungnam National University, Daejeon 34134, South Korea. text Zootaxa 2023 2023-01-24 5230 4 478 488 http://dx.doi.org/10.11646/zootaxa.5230.4.5 journal article 10.11646/zootaxa.5230.4.5 71ccb64c-6b0c-4409-a1ed-c7c647e614d9 1175-5326 7564103 FA55F137-EF78-4ADB-B0CF-B9F84FFC86FD Genus Amischa Thomson, 1858 Amischa Thomson, 1858: 33 ( type species: Aleochara analis Gravenhorst, 1802 ). Colposura Casey, 1894: 336 ( type species: Colposura praelonga Casey, 1894 ). Diagnosis. Members of the genus Amischa can be distinguished from other athetine genera by combination of the following characters: head subtriangular, dilated basally; eyes small, distinctly shorter than temples; antennomeres 4–10 transverse or subquadrate; ligula short, broad and entire; prementum without lateral pseudopores; pronotal pubescence directed posteriorly in midline; hypomeron partially visible in lateral aspect; mesocoxal cavities unmargined in most species; abdominal tergites II–VI without anterior macrosetae, VI not impressed in basal region; posterior margin of tergite VIII emarginate in most species; and median lobe of aedeagus with distal crest almost perpendicular to apical process and facing upward, proximal crest long ( Benick & Lohse, 1974 ; Yosii & Sawada, 1976 ; Ashe, 2001 ; Assing, 2021 ). Distribution. Worldwide (except South Africa and Madagascar ).