Grass Demon


  • Common Name : Grass Demon
  • Scientific Name : Udaspes folus (Cramer)
  • Family : HESPERIIDAE
  • Wingspan : 40-48mm
  • Colour : Black with a big white spot on the hind wing and several smaller white spots on the fore wing. Male and female look similar.
  • Habit : Bold butterfly and not easily disturbed. It avoids deep shade or stark sunlight. It is most abundant in the more open regions of hilly jungle. The Grass Demon is a nectar lover and has a long proboscis compared to body size.
  • Larval Host Plants : Curcuma aromatica, Curcuma decipiens, Zingiber sp.
  • Location : Throughout West Bengal