A taxonomic review of the Korean species of the subgenus Datomicra Mulsant & Rey of the genus Atheta Thomson, with description of a new species (Coleoptera, Staphylinidae, Aleocharinae) Author Lee, Seung-Gyu Author Ahn, Kee-Jeong text Zootaxa 2017 4268 4 508 522 journal article 33024 10.11646/zootaxa.4268.4.3 dc91aa5e-ab23-4599-8df9-56ebda03c098 1175-5326 580926 71929131-1CB7-4FF0-8A80-E062F1C00960 Key to Korean species of the subgenus Datomicra Mulsant & Rey 1. Male abdominal tergite VIII not modified, without processes...................................................2 - Male abdominal tergite VIII modified or with processes.......................................................3 2. Abdominal tergites with transversely striate microsculpture................................... A . ( D .) pyongangsani - Abdominal tergites with imbricate or reticulate microsculpture.................................... A . ( D .) sordidula 3. Abdominal tergite VIII with five macrosetae on each side of midline.................. A . ( D .) semidentiventris sp. nov. - Abdominal tergite VIII with four macrosetae on each side of midline............................................ 4 4. Abdominal tergites with imbricate microsculpture; abdominal tergite II with one posterior macrosetae on each side of midline....................................................................................................5 - Abdominal tergites with reticulate microsculpture; abdominal tergite II with two posterior macrosetae on each side of midline................................................................................................... 6 5. Labium with ligula long and slender; abdominal tergite III with two posterior macrosetae on each side of midline.................................................................................................... A . ( D .) celata - Labium with ligula short and broad; abdominal tergite III with three posterior macrosetae on each side of midline.................................................................................................... A . ( D .) nigra 6. Body length more than 2.0 mm; macrochaetal arrangement of abdominal tergites IV–V 23–23. ........ A . ( D .) dentiventris - Body length less than 2.0 mm; macrochaetal arrangement of abdominal tergites IV–V 13–13. ........................7 7. Antennomere 4 as long as wide; male abdominal tergite VIII with four distinct processes; spermatheca without umbilicus.......................................................................................... A . ( D .) dadopora - Antennomere 4 slightly transverse; male abdominal tergite VIII with four indistinct processes; spermatheca with umbilicus elongate................................................................................ A . ( D .) lewisiana