Earis vitella is

Answer: Option C

Earis vitella is Spotted boll worm.
Earias insulana, the Egyptian stemborer, Egyptian bollworm, spiny bollworm, or cotton spotted bollworm, is a moth of the family Nolidae.
The larvae feed on okra, cotton and hibiscus, but have also been recorded on rice, sugarcane and corn. Initially, the larva tunnels into the buds of its host plant. Later, the larva feeds on the bolls, which become brown and fall off. Secondary invasion by fungi and bacteria sometimes occurs.