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 11. Eccoptolonthus rutiliventris ( Sharp, 1874 ) Sharp, 1874: 47 ( Philonthus , type locality: Nagasaki, eastern Siberia, Lake Baikal; China ); Matsumura, 1911: 114 ( Philonthus , Japan ); Bernhauer & Schubert, 1914: 354 ( Philonthus , catalog); Scheerpeltz, 1933: 1359 ( Philonthus , catalog); Adachi, 1937: 56 ( Philonthus , Izu-Oshima ); Nakane, 1963: 91 ( Philonthus , habitus image, Japan ); Watanabe & Shibata, 1972: 64 ( Philonthus , Yaku-shima Island); Yuh et al ., 1985: 242 ( Philonthus , Korea ); Herman, 2001a: 2949 ( Philonthus , catalog); Smetana, 2004: 649 ( Philonthus , catalog of Palaearctic region); Hayashi, 2008: 149 ( Pseudohesperus ); Hromádka, 2010: 497 ( Pseudohesperus ); Li & Zhou, 2011: 708–710 ( Pseudohesperus , first record from China ); Newton, 2015: 14 (transferred to Eccoptolonthus , catalog); Schülke & Smetana, 2015: 1021 ( Eccoptolonthus , catalog); Li, 2019: 425 ( Eccoptolonthus , catalog). Syn.: Philonthus insignitus Fauvel, 1875 : XXIX ( type locality: Russia , Baikal); Schillhammer, 2015: 23 (synonym of E. rutiliventris ). Philonthus longipalpis Kashcheev, 1999: 58 ( type locality: Russia , Altai Mountains); Schillhammer, 2015: 23 (synonym of E. rutiliventris ). Hesperus tokyanus R. Dvořák, 1957: 9 ( type locality: Japan , Tokyo , Mount Takar); Hayashi, 2008: 149 (synonym of E. rutiliventris ). Materials examined. China : Beijing : 3 ♂♂ , 25 ♀♀ , Xiaolongmen ( 39°58’N , 115°28’E ), 1140–1270 m , 14. VI .– 2.VII.2000, Yu Xiaodong collected ( IZ-CAS ) ; 1 ♂ , 1 ♀ , Xiaolongmen ( 39°58’N , 115°28’E ), 19. VI .1999, Yu Xiaodong collected ( IZ-CAS ) ; 3 ♀♀ , Xiaolongmen ( 39°58’N , 115°28’E ), 25. VI .2006, Chen Yongjie collected ( IZ-CAS ) ; 1 ♀ , Xiaolongmen ( 39°58’N , 115°28’E ), 20.VII.1999 , Zhou Hongzhang collected ( IZ-CAS ) ; Shaanxi : 2 ♀♀ , Taibaishan ( 33°57’N , 107°45’E ), 1800 m , 8. VI .2007, Zhou Hongzhang collected ( IZ-CAS ) ; Jilin : 1 ♂ , 1 ♀ , Changbaishan ( 41°34’N , 126°27’E ), 900–1800 m , 11.VII.1987 ( IZ-CAS ) ; Ningxia : 3 ♂♂ , 7 ♀♀ , Liupanshan ( 35°39’N , 106°17’E ), 1990–2100 m , 27–28. VI .2008, Zhou Haisheng & Zhao Zongyi collected ( IZ-CAS ) . Distribution. China ( Beijing , Jilin , Liaoning , Ningxia , Shaanxi ), Japan ( Hokkaido , Honshu, Kyushu, Shikoku), Kazakhstan , Korea (S), Mongolia , Nepal , Russia (European, Siberia, Far East, Sakhalin , Kuriles), Ryukyu Is (Yakushima).