Four new species of the genus Psechrus Thorell, 1878 (Araneae: Psechridae) from Yunnan Province, China

Four new species of the genus Psechrus Thorell, 1878 are described from Yunnan Province, China: Psechrus luopingensis sp. nov. (♂♀), P. mingshengi sp. nov. (♂♀), P. cornutus sp. nov. (♂♀) and P. cordatus sp. nov. (♂♀). Detailed morphological descriptions, photographs of living specimens, and a distribution map of the new species are provided.