Sebastonyma is a genus of grass skippers in the family Hesperiidae.

Species Sebastonyma dolopia (Hewitson, 1868) - Himalayas, Sikkim to Burma, northern Thailand, Laos Sebastonyma perbella (Hering, 1918) - China Sebastonyma pudens Evans, 1937 - Burma, northern Thailand Sebastonyma suthepiana Murayama & Kimura, 1990 - northern Thailand, Laos Sebastonyma medoensis Lee, 1979 - China S. m. medoensis Tibet S. m. albostriata Huang, 2003 Yunnan

References Natural History Museum Lepidoptera genus database