Two new species of Lysiteles Simon, 1895 from Cibagou National Nature Reserve, Xizang, China (Araneae, Thomisidae)

Background Lysiteles Simon, 1895 contains 64 nominal species distributed in East, South and South Asia. It possesses very high species diversity in China (with 46 and 32 endemics), Bhutan (with 9 and 1 endemic) and Nepal (with 8 and 4 endemics). In June 2023, a spider survey of Cibagou National Nature Reserve, Xizang, China was carried out. After examination and morphological comparison, two Lysiteles species were recognised as new to science. New information Two new species of Lysiteles Simon, 1895 collected from Cibagou National Nature Reserve, Xizang, China are described: L. cibagou sp. nov. (male female) and L. tangi sp. nov. (male female). Diagnostic photos of habitus and copulatory organs and a distributional map are provided.