Background: Eresidae C. L. Koch, 1845 contains nine genera and 102 species, of which 24 species belong to Eresus Walckenaer, 1805. Four species of the family are known from China: E.granosus Simon, 1895 (Beijing), E.kollari Rossi, 1846 (Hebei), E.lishizheni Lin, Marusik & Li, 2021 (Xinjiang) and Stegodyphustibialis (O. Pickard-Cambridge, 1869) (Yunnan).
New information: Two new species of Eresus are described from Xinjiang, China: Eresusda Lin & Li sp. n. and E.yukuni Lin & Li sp. n. Photos and morphological descriptions of new species are given.
Keywords: Asia; DNA barcodes; diagnosis; taxonomy; type.
Yejie Lin, Shuqiang Li, Xin Zhao, Zhanqi Chen, Haifeng Chen.