Review of the intertidal rove beetle tribe Liparocephalini Fenyes (Coleoptera, Staphylinidae, Aleocharinae) from Japan Author Tasaku, Yuto Department of Biology, School of Biological Sciences, Tokai University, Hokkaido, 005 - 8601, Japan. & Corresponding author Author Ono, Hiroki Sounan, Minami-ku, Sagamihara-shi, Kanagawa, 252 - 0312, Japan. Author Maruyama, Munetoshi The Kyushu University Museum, Hakozaki 6 - 10 - 1, Higashi-ku, Fukuoka, 812 - 8581, Japan. text Zootaxa 2023 2023-12-12 5383 3 251 296 https://www.mapress.com/zt/article/download/zootaxa.5383.3.1/52454 journal article 10.11646/zootaxa.5383.3.1 1175-5326 20988E42-C14D-4878-A716-8CEAB5E5EF92 Key to the Japanese species of Diaulota 1. Body usually black (reddish black in D . aokii ); head oval; male heads as large as that of female; mentum as long as wide... 2 - Body color reddish brown, but some of abdominal segments black or blackish; head rectangular; male head larger than that of female; mentum strongly transverse........................................................................4 2. Tarsal formula 4-4-4; apical lobe of median lobe unilobed in lateral view......................................... 3 - Tarsal formula 4-4-5; apical lobe of median lobe bilobed in lateral view............................... D . hokkaidona 3. Body reddish black; elytra and abdomen covered with thin and short setae; distributed in central Honshû........... D . aokii - Body almost black; elytra and abdomen covered with long setae; distributed in southern Honshû, Shikoku and Kyûshû.......................................................................................... D . decipiens sp. n. 4. Tarsal formula 4-4-4; infraorbital carina short, shorter than half of head.......................................... 5 - Tarsal formula 4-4-5; infraorbital carina long, reaching to eye........................................... D . oharai 5. Median lobe of aedeagus: apical sclerite in lateral view; suspensonia thin; distributed in Japan sea side of Honshû and Kyûshû................................................................................... D . submarina - Median lobe of aedeagus: apex of apical sclerite rounded in lateral view; suspensonia broad; distributed in Pacific side of Honshû and Kyûshû, and northern Ryûkyû................................................................. 6 6. Median lobe of aedeagus: apex of apical lobe pointed in ventral view; apical sclerite extend toward apical margin in ventral view; distributed in southern Honshû, Kyûshû and northern Ryûkyû....................................... D . uenoi - Median lobe of aedeagus: apex of apical lobe truncate in ventral view; apical sclerite narrow toward apical margin; distributed in central Honshû....................................................................... D . orientalis sp. n.