A new genus and nine species of jumping spiders from Hainan Island, China (Araneae, Salticidae).

A new genus and eight new species of jumping spiders from Hainan Island, China are reported. Pengmarengo gen. nov. is erected to accommodate the type species P.yangi sp. nov. (♂♀). Further Pengmarengo gen. nov. species including P.chelifer (Simon, 1990), comb. nov. (transferred from Philates Simon, 1900), P.elongata (Peng & Li, 2002), comb. nov. (transferred from Tauala Wanless, 1988), and two species transferred from Indomarengo Benjamin, 2004: P.yui (Wang & Li, 2020), comb. nov. , and P.wengnan (Wang & Li, 2022), comb. nov. Another seven new jumping spider species are described from Hainan: Iruraliae sp. nov. (♂), I.mii sp. nov. (♂♀), Marengoganae sp. nov. (♂♀), M.zhengi sp. nov. (♂♀), Nungiatangi sp. nov. (♂♀), Philateszhoui sp. nov. (♂♀), and Toxeushainan sp. nov. (♂♀). The unknown female of the endemic species, Irurapengi Guo, Zhang & Zhu, 2011 is also described for the first time.