The genus Laemostenus is recorded from China for the first time, and two new species are described: L. (Pristonychus) zhentangensis sp. nov. (type locality: Dinggyê County, Xizang), and L. (P.) zhamensis sp. nov. (type locality: Nyalam County, Xizang). The relationships of these new species are briefly discussed. © Pingzhou Zhu et al.