Tachinus of Japan (Coleoptera: Staphylinidae: Tachyporinae): new records, a new synonym, and a new species Author Hashizume, Takuto Graduate School of Bioresource and Bioenvironment Sciences, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819 - 0395, Japan; Author Schülke, Michael Museum für Naturkunde Berlin, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, D- 10115 Berlin, Germany; Author Maruyama, Munetoshi The Kyushu University Museum, text Acta Entomologica Musei Nationalis Pragae 2024 2024-08-18 64 1 121 139 https://doi.org/10.37520/aemnp.2024.010 journal article 10.37520/aemnp.2024.010 1804-6487 14655822 8B232FDF-CEF8-4EE2-8F33-B21A458AB1E1 Tachinus ( Tachinus ) javanus Cameron, 1937 [Japanese name: Shibata-marukubi-hanekakushi] ( Fig. 2A ) Tachinus ( Tachinus ) javanus Cameron, 1937: 35 (original description); JEONG & AHN (2018) : 2 ( South Korea ). Tachinus ( Latotachinus ) shibatai Hayashi, 1987: 13 (original description); LI (1995b) : 204 (diagnostic redescription); SCHȖLKE (2004) : 952 (synonymized with T. javanus ) Material examined. JAPAN : HONSHU: AOMORI- KEN: 1 ♁ 1 ♀ , Rangan-no-mori, Ajigasawa-machi, 26–31.vii.2003 , Y. Kawahara leg. ( KUM ). MIYAGI- KEN: 1 ♀ , Futakuchi-kyôkoku, 12.vii.1985 , S. Nomura leg. ( KUM ). TOKYO- TO: 1 ♀ , Mitake, 19.viii.1978 , M.Tao leg. ( KUM ). KYUSHU: KUMAMOTO- KEN: 1 ♀ , Kitamuki-yama,Aso, 7.viii.1962 , H. Aramaki leg. ( KUM ). Diagnosis. Tachinus ( Tachinus ) javanus can be distinguished from other members of the subgenus Tachinus from Japan by the combination of following characters: forebody without microsculpture; male sternite VII without clusters of modified setae; apices of parameres of aedeagus modified into broad hook. For detailed redescription, see LI (1995b: 204) (as T. shibatai ). Distribution. Japan (Honshu, Shikoku, Kyushu), South Korea , China , Russia , India , Oriental Region. Remarks. This species was recorded from Kyushu in IMASAKA et al. (2018) and from South Korea in JEONG & AHN (2018) .