Udaspes folus (Cramer, 1775) : Grass Demon (ผีเสื้อพญาทุ่งหญ้า)

Family:Hesperiidae
Subfamily:Hesperiinae
Genus:Udaspes
Species:folus
Common name:Grass Demon
Thai common name:ผีเสื้อพญาทุ่งหญ้า