Hybos psilus Yang & Yang, 1987: 167. Type locality: China: Tibet, Bomi.
Distribution. China (Tibet).
Remarks. This species was described by Yang & Yang (1987) from 3 males collected in Tibet. Its female is still unknown. It can be separated from H. pallidus and H. liupanshanus by the following characters: arista bare; hind tibia with 1 dorsal seta at middle; pterostigma indistinct (Yang & Yang 2004, figs 368–369).