Thirteen new species of the spider genus Pholcus Walckenaer, 1805 (Araneae: Pholcidae) from China.

Thirteen new species from four species groups of the genus Pholcus Walckenaer, 1805 are described from China: Pholcus yanjinensis sp. nov. (male & female, Yunnan) from the P. bidentatus species group; P. jingyangensis sp. nov. (male & female, Shaanxi), P. langensis sp. nov. (male & female, Henan) and P. longus sp. nov. (male & female, Beijing) from the P. crypticolens species group; P. huoxiaerensis sp. nov. (male, Xinjiang) from the P. ponticus species group; P. difengensis sp. nov. (male, Chongqing), P. gonggarensis sp. nov. (male & female, Tibet), P. hamaensis sp. nov. (male & female, Guizhou), P. lingguanensis sp. nov. (male & female, Henan), P. qingyunensis sp. nov. (male & female, Jiangxi), P. tangyuensis sp. nov. (male & female, Shaanxi), P. tianmuensis sp. nov. (male & female, Zhejiang) and P. zhongdongensis sp. nov. (male & female, Guangxi) from the P. yichengicus species group.