Grass Demon resting on a seed pod of Bakung or Seashore spider lily [Crinum asiaticum].
The Grass Demon, Udaspes folus, is a small but prominent butterfly that belongs to the Skippers, or Hesperiidae family.
Grass Demon is a small butterfly with a wingspan of about 4 to 4.8 cm. It is black with a large white spot on the upperside of the hind wing and several smaller whites spots on the forewing. The underside of its wings is mostly white with brown edges and spots.
Range: Sri Lanka, India northeast wards onto Myanmar, China, Southeast Asia and Australia. It is regarded as an occasional pest of ginger and turmeric.
Photos: DFNP, Singapore 20120521