Revision of the subgenus Aleochara Gravenhorst of the parasitoid rove beetle genus Aleochara Gravenhorst of Japan (Coleoptera: Staphylinidae: Aleocharinae) Author Yamamoto, Shûhei Author Maruyama, Munetoshi text Zootaxa 2016 4101 1 1 68 journal article 10.11646/zootaxa.4101.1.1 682e2c0a-35ac-46d1-9b0f-257f6d6d06f9 1175-5326 269393 53A25A6F-72AF-4B61-B8DA-E427FA2B634F Key to Japanese species of Aleochara ( Aleochara ) 1. Body large, thick, uniformly black; antennomeres I–III also black in coloration.................. A . ( A .) lata Gravenhorst -. Body small to relatively large, rather thick, not uniformly black, at most dark brown; antennomeres I–III reddish brown to brownish black....................................................................................... 2 2. Elytra uniformly yellowish to reddish brown, without any types of darkened maculations laterally and basally............................................................................................ A . ( A .) coreana Bernhauer -. Elytra uniformly yellowish to reddish brown, with darkened maculations laterally; OR elytra uniformly brownish brown (some with weak maculations laterally)......................................................................... 3 3. Elytra with prominent, blackish, and parallel sided maculations on lateral margins, reaching to each shoulder................................................................................................ A . ( A .) curtula (Goeze) -. Elytra with lateral maculations (if present), not reaching to each shoulder; OR without any maculations................. 4 4. Head rather coarsely and deeply punctured unevenly, especially near vertex; median lobe of male aedeagus narrowly elongate; female spermatheca with apical portion complicatedly coiled.................................. A . ( A .) postica Walker -. Head rather densely and shallowly punctured evenly, especially near vertex; median lobe of aedeagus bulbous; spermatheca simple, C-shaped, apical portion not coiled.................................................................. 5 5. Apical lobe of median lobe of aedeagus, not hook-shaped at apex in lateral view; spermatheca with chitinized portion of spermathecal stem moderately long, almost same length of spermathecal head and neck combined.......... A . ( A .) parens Sharp -. Apical lobe of median lobe of aedeagus, moderately hook-shaped at apex in lateral view; spermatheca with chitinized portion of spermathecal stem long, almost 1.5 times as long as spermathecal head and neck combined; endemic to Ishigaki-jima Is. and Iriomote-jima Is., Yaeyama-shotô Islands, southwestern part of Japan ........................ A . ( A .) yaeyamensis n. sp.