﻿AbstractBaiyueriusgen. nov., a new genus of the subfamilyCoelotinaeF. O. Pickard-Cambridge, 1893 is described, including five new species:B.daxisp. nov.(♀),B.pindongsp. nov.(♂),B.tamdaosp. nov.(♀),B.zhupingsp. nov.(♂) andB.zuojiangsp. nov.(♂♀), from southern China and northern Vietnam. Our molecular phylogenetic analyses supportBaiyueriusgen. nov. as monophyletic and as a sister group of the newly established genusYunguiriusLi, Zhao & Li, 2023.