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

Family: Hesperiidae
Subfamily: Hesperiinae
Genus: Udaspes
Species: folus
Common name: Grass Demon
Thai common name: ผีเสื้อพญาทุ่งหญ้า
Reference: http://yutaka.it-n.jp/hes/91640001.html