How bark eating caterpillar causes damage in Aonla and how it can be managed?

It affects the main trunk of the plant and makes tunnels. Feed on the bark under silken ribbon-shaped webs. It causes damage up to 80 percent.

It can be managed through clean cultivation, avoiding the overcrowding of branches. Spraying 0.03% endrin or furadan or injecting kerosene oil or petrol in the holes and plugging them with cotton or wet soil during September-October or February-March.