Revision of Eccoptolonthus Bernhauer (Coleoptera: Staphylininae: Philonthina) with descriptions of four new species from China Author Fei, Xu-Dong 0000-0003-0386-5918 Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Rd., Chaoyang District, Beijing 100101, P. R. China. & University of the Chinese Academy of Sciences, 19 A Yuquan Rd., Shijingshan District, Beijing 100049, P. R. China. & feixudong @ ioz. ac. cn; https: // orcid. org / 0000 - 0003 - 0386 - 5918 feixudong@ioz.ac.cn Author Zhou, Hong-Zhang Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Rd., Chaoyang District, Beijing 100101, P. R. China. & University of the Chinese Academy of Sciences, 19 A Yuquan Rd., Shijingshan District, Beijing 100049, P. R. China. text Zootaxa 2021 2021-03-26 4949 3 473 498 journal article 7571 10.11646/zootaxa.4949.3.3 39300142-6cea-4253-80bb-00856fdd5f95 1175-5326 4640469 C22ACA1A-4856-4979-BD7A-DFE37949C2D4 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 .