Chydaeus is a genus of beetles in the family Carabidae. Members of this genus are distributed mainly over mountainous regions of southeastern Asia, from the Himalayas and China to the Sunda Islands; however, three species are known from New Guinea and one from Australia. Species The genus contains the following species: Chydaeus abramovi Kataev & Fedorenko, 2013 – Vietnam Chydaeus acutangulus Kataev & Schmidt, 2006 Chydaeus acutangulus acutangulus Chydaeus acutangulus shiva Kataev & Schmidt, 2006 Chydaeus andrewesi Schauberger, 1932 Chydaeus andrewesi andrewesi Chydaeus andrewesi szetschuanus Schauberger, 1932 – southeastern China Chydaeus asetosus Kataev & Kavanaugh, 2012 – Yunnan, China Chydaeus bakeri Andrewes, 1926 Chydaeus baoshanensis Kataev & Liang, 2012 – Yunnan, China Chydaeus bedeli (Tschitscherine, 1897) Chydaeus bedeli bedeli Chydaeus bedeli difficilis Kataev & Schmidt, 2001 Chydaeus bedeli interjectus Kataev & Schmidt, 2001 Chydaeus bedeli longipennis Kataev & Schmidt, 2001 Chydaeus bedeli vietnamensis Kataev & Schmidt, 2001 – Vietnam Chydaeus belousovi Kataev, Wrase & Schmidt, 2014 – Yunnan, China Chydaeus bhutanensis Kataev & J.Schmidt, 2001 Chydaeus chujoi Habu, 1975 Chydaeus chuliensis Kataev, Wrase & Schmidt, 2014 – Nepal Chydaeus constrictus (Bates, 1883) Chydaeus convexiusculus Kataev & Schmidt, 2006 Chydaeus convexus Ito, 2002 Chydaeus dalatensis Kataev & Fedorenko, 2013 – Vietnam Chydaeus darlingtoni Baehr, 2007 Chydaeus dissimilis Kataev, Wrase & Schmidt, 2014 – Taiwan Chydaeus doiinthanonensis Ito, 1992 Chydaeus eremita Kataev & Schmidt, 2006 Chydaeus fugongensis Kataev & Kavanaugh, 2012 – Yunnan, China Chydaeus ganeshensis Kataev, Wrase & Schmidt, 2014 – Nepal Chydaeus gestroi Andrewes, 1929 Chydaeus gutangensis Kataev & Liang, 2012 – Tibet, China Chydaeus hanmiensis Kataev & Liang, 2012 – Tibet, China Chydaeus harpaloides Kataev & Schmidt, 2006 Chydaeus hinnus Darlington, 1971 Chydaeus irvinei (Andrewes, 1930) Chydaeus jedlickai Schauberger, 1932 Chydaeus kabaki Kataev, Wrase & Schmidt, 2014 – Sichuan, China Chydaeus kasaharai Ito, 2002 Chydaeus kirishimanus Habu, 1973 – Japan Chydaeus kumei Ito, 1992 Chydaeus luxiensis Kataev, Wrase & Schmidt, 2014 – Yunnan, China Chydaeus majusculus Kataev & Fedorenko, 2013 – Vietnam Chydaeus malaisei Kataev & Schmidt, 2006 Chydaeus manasluensis Kataev & Schmidt, 2001 Chydaeus minimus Kataev & Schmidt, 2001 Chydaeus miwai Jedlicka, 1946 Chydaeus nepalensis Kataev & Schmidt, 2006 Chydaeus nepalensis nepalensis – Nepal Chydaeus nepalensis punctulatus Kataev & Schmidt, 2006 Chydaeus nepalensis schawalleri Kataev & Schmidt, 2006 Chydaeus obscurus Chaudoir, 1854 Chydaeus obtusicollis Schauberger, 1932 Chydaeus ovalipennis Kataev & Schmidt, 2001 Chydaeus papua Darlington, 1968 Chydaeus putaoensis Kataev, Wrase & Schmidt, 2014 – Myanmar Chydaeus queenslandicus Baehr,