- Common Name : Common Pierrot
- Scientific Name : Castalius rosimon (Fabricius)
- Family : LYCAENIDAE
- Wingspan : 24-32mm
- Colour : Black spots and streaks on white wings.
- Habit : It is usually seen fluttering around its food plant, Ber or Jujube. Besides perching on flowers, it is also seen on bird droppings and dead insects. Fond of sunshine, it basks, particularly after the rains.
- Larval Host Plants : Ziziphus mauritiana, Ziziphus rugosa
- Location : Throughout West Bengal