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 10.11646/zootaxa.5474.5.6 1175-5326 6B9033A2-DF32-43AB-A06F-FD9392BB718A Key to Chinese species of the Hesperus borneensis group 1 Head black; head and pronotum without microsculpture....................................................... 2 – Head orange red; head and pronotum with distinct and profound microsculpture................................... 3 2 Pronotum black; abdomen with segments III– V orange red........................................... H. birmanus – Pronotum orange red; abdomen with segments III– VI orange red............................... H . susannekontrusae 3 TL/EYL: 0.84–1.03; antennomeres 9–11 creamy white............................................. H. watanabei – TL/EYL: 0.81; antennomeres 8–11 creamy white............................................... H. flexibilis sp. n.