New species group and two new species of the genus Hesperus from China (Coleoptera: Staphylinidae: Philonthina) Author Cai, Yu-Jie 0000-0001-8823-6904 cyj6991@sina.com Author Li, Yue-Yang 0000-0001-8823-6904 cyj6991@sina.com Author Tang, Liang 0000-0001-8823-6904 cyj6991@sina.com text Zootaxa 2024 2024-07-02 5474 5 550 562 http://dx.doi.org/10.11646/zootaxa.5474.5.6 journal article 299718 10.11646/zootaxa.5474.5.6 1e092b6e-f81a-4318-bb9a-05da10d922ae 1175-5326 12730952 6B9033A2-DF32-43AB-A06F-FD9392BB718A Hesperus borneensis group Diagnosis: Slightly modified from that of Schillhammer (2002 , 2016 ), the group can be defined by the following characters: body broadly elongate with head trapezoid; antennae with antennomeres 7–10 asymmetrically extended; abdomen with tergites III–V with two basal lines; apical portion of male sternite IX with stout and long setae; median lobe rod-like, apical portion slightly bent dorsad in lateral view, lateral margin of apical portion of paramere with large number of peg-setae. Distribution and diversity: The group is presently known from the Sunda region, India , Myanmar , Thailand , Laos , southwestern and southern China , and it includes the following species: H. borneensis Bernhauer, 1915 , H. birmanus Cameron, 1932 , H. javanus Cameron, 1937 , H. malayanus Cameron, 1932 a , H. temburong Schillhammer, 2002 , H. watanabei Shibata, 2002 , H. wemmeri Schillhammer, 2002 , H. susannekontrusae Schillhammer, 2005 , H. rougemonti Schillhammer, 2016 and H. flexibilis sp. n. .