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 13. Eccoptolonthus tripartitus ( Li & Zhou, 2011 ) Li & Zhou, 2011: 714–715 ( Pseudohesperus , type locality: China , Sichuan ); Newton, 2015: 14 (transferred to Eccoptolonthus , catalog); Schülke & Smetana, 2015: 1021 ( Eccoptolonthus , catalog); Li, 2019: 425 ( Eccoptolonthus , catalog). Materials examined. Holotype : ♂ , China : Sichuan : Wolong : Wulidun ( 31°28’N , 103°36’E ), 2220 m , 6– 9. VI .2004 , Yu Xiaodong collected ( IZ-CAS ) ; Paratypes : 2 ♂♂ , 1 ♀ , same data as holotype, but 2220–2410 m , 21. VI .–9.VII.2004 ( IZ-CAS ) ; 1 ♂ , Baoxing : Dengchigou (30°53’N, 102°94’E ), 1700 m , 22.VIII.2003 , collected by Zhao Caiyun ( IZ-CAS ) ; Tibet : 1 ♂ , Chayu county , Walong village , Longcunaga inn ( 28°54’N , 98°23’E ), 2883 m , 8.IX.2014 , collected by Wu Qingtai ( IZ-CAS ) ; Yunnan : 1 ♂ , Jingdong : Ailao Shan , Ecological Station ( 24°32.36′ N , 101°01.67′ E ), 2497 m , 21.IX.2010 , collected by Zhou Yulingzi ( IZ-CAS ) ; 1 ♂ , Jingdong : Ailao Shan , Ecological Station ( 24°32.55′ N , 101°01.38′ E ), 2520 m , 19.IX.2010 , collected by Zhou Yulingzi , Lv Liang ( IZ-CAS ) . Distribution. China ( Sichuan , Tibet , Yunnan ).