#Castalius

Castalius rosimon, the common Pierrot is a small butterfly found in India that belongs to the lycaenids, or blues family.
The species is found in Sri Lanka, Bangladesh, India, Myanmar; Tenasserim, extending into the Malayan subregion.
Both sexes are identical except for the smaller area of blue at the wing bases on the upper side in females. The pattern on both sides can vary. The cilia of both wings are alternately marked in black and white. wings, without leaving any distinct patch-less areas.
Complete life cycle observed from egg to adult. Took 27 days. Egg:3, Caterpillar: 17 & Pupa: 7. First three instar eats only the surface of leaves, last instar eats young leaves.