Caterpillar on shallots.

Caterpillar onion is a major pest that is difficult to control because it destroys the plant from the inside so that its existence is difficult to detect what else in the dry season.
Caterpillar on onions can attack the plant from the initial growth phase until the tuber maturation phase. This caterpillar can pierce the leaf and can enter into the leek. This caterpillar consumes the surface of the inner leaves of the onion.
The leaves of onion look translucent or visible white patches finally leaves drooping.