Taxonomic notes of jumping spiders (Araneae, Salticidae) from Guangxi, Hainan, Sichuan, Xizang and Yunnan, China

Twenty-one new species of jumping spiders from five provinces of South China are described: Cheliceroidesjinxini sp. nov. (♂), Dendroiciusqiong sp. nov. (♂♀), Iciusdeergong sp. nov. (♂♀), Iruraqiuhangi sp. nov. (♂♀), I.yarlungzangbo sp. nov. (♂♀), Mintoniashiwandashan sp. nov. (♂), Myrmarachnekuan sp. nov. (♂♀), Nandiciusxiefengi sp. nov. (♂♀), Pancoriusmedog sp. nov. (♀), P.yingjiang sp. nov. (♂♀), Piranthusmaddisoni sp. nov. (♂♀), Simaethahainan sp. nov. (♂♀), Stertiniuslhoba sp. nov. (♂♀), Synagelideskongmingi sp. nov. (♂♀), S.xuandei sp. nov. (♂♀), S.yunchangi sp. nov. (♂♀), S.yidei sp. nov. (♂), S.zilongi sp. nov. (♂♀), Yaginumaelladaweishan sp. nov. (♂♀), Y.moinba sp. nov. (♂♀), and Y.pingbian sp. nov. (♂♀). Nepalicius Prószyński, 2016, syn. nov. is proposed as a junior synonym of Okinawicius Prószyński, 2016. Three new combinations are proposed: O.nepalicus (Andreeva, Hęciak & Prószyński, 1984), comb. nov. and O.seychellensis (Wanless, 1984), comb. nov. transferred from Nepalicius, and O.daoxianensis (Peng, Gong & Kim, 2000), comb. nov. transferred from Philaeus Thorell, 1869. The unknown females of O.nepalicus, Padillothoraxexilis (Cao & Li, 2016) and Silerhanoicus Prószyński, 1985 are described for the first time. Distribution maps of the studied specimens are also provided.