4. Eccoptolonthus eustilbus (Kraatz, 1859)

Kraatz, 1859: 98 ( Philonthus, type locality: Ceylan); Bernhauer & Schubert, 1914: 337 ( Philonthus, catalog); Cameron, 1932: 150 ( Philonthus, Ceylon, India); Scheerpeltz, 1933: 1341 ( Philonthus, catalog); Cameron, 1933: 387 ( Philonthus, Sumatra); Scheerpeltz, 1954: 114 ( Philonthus, cited as Phylonthus, Ceylon); Coiffait, 1982: 232 ( Philonthus, India); Herman, 2001a: 2819 ( Philonthus, catalog); Smetana, 2004: 644 ( Philonthus, catalog of Palaearctic region); Hayashi, 2005: 68 ( Philonthus, Taiwan); Hayashi, 2008: 152 ( Pseudohesperus, Taiwan); Li & Zhou, 2011: 697–670 (China: Guangxi, Hainan); Newton, 2015: 13 (transferred to Eccoptolonthus); Schülke & Smetana, 2015: 1021 ( Eccoptolonthus, catalog); Li, 2019: 424 ( Eccoptolonthus, catalog).

Syn.: Philonthus versicolor Cameron, 1919: 254 (type locality: Ceylon); Cameron, 1932: 150 ( Philonthus, synonym of E. eustilbus); Scheerpeltz, 1933: 1341 ( Philonthus, synonym of E. eustilbus).

Materials examined. China: Guizhou: 1 ♂, Guiyang: Huaxi town, field roadside (26°4106′ N, 106°6697′ E), 1000 m, 11.IX.2005, collected by Liu Ye (IZ-CAS) ; Hainan: 1 ♂, 1 ♀, Xinglong (18°44’N, 110°11’E), 41 m, 22. III.2008, collected by Li Liang (IZ-CAS) ; 1 ♂, 2 ♀♀, Bawangling (19°04’N, 108°49’E), 1050 m, 21.XII.2007, collected by Yang Zhuo (IZ-CAS) ; 1 ♂, Bawangling eart of the second area (19°14’N, 108°29’E), 1050 m, 19.XII.2007, collected by Yang Zhuo (IZ-CAS) ; 12 ♂♂, 24 ♀♀, Bawangling (19°04’N, 108°49’E), 300–800 m, 28–30.XI.2008, collected by Zhao Zongyi (IZ-CAS) ; 5 ♂♂, 9 ♀♀, Jianfengling (18°42’N, 108°52’E), 620 m, 25.XI.2008, collected by Zhao Zongyi (IZ-CAS) ; 2 ♂, 4 ♀♀, Baisha county: Nankai country (19°04’N, 109°31’E), 250–300 m, 20.IX.2008, collected by Zhao Zongyi (IZ-CAS) ; Guangxi: 4 ♂♂, 3 ♀♀, Pingxiang county: Daqingshan (22°11’N, 106°45’E), 3600 m, 24. III.1998, collected by Zhou Haisheng (IZ-CAS) ; 2 ♂♂, 15 ♀♀, Fangchenggang: Fulong (21°46’N, 108°35’E), 220 m, 16. III.1998, collected by Zhou Haisheng (IZ-CAS) ; 2 ♂♂, Chongzuo: Nalong (22°45’N, 107°31’E), 290 m, 20. III.1998, collected by Zhou Haisheng (IZ-CAS) ; Yunnan: 1 ♂, Nabanhe National Nature Reserve, Jinghong North Mekong Hill Garden (22°02712’N, 100°78666’E), 19. V.2008, collected by A. Weigel.

Distribution. China (Hainan, Guangxi, Guizhou, Taiwan, Yunnan), India (Sikkim Darjeeling District, Uttarakhand), Indonesia (Sumatra), Sri Lanka.