- Caterpillar webs together the leaves and feeds from with in skeletonizing the leaves completely.
- The leaves become devoid of chlorophyll and dry up.
- The leaf webbings are filled with black excreta of the caterpillars making the leaves unfit for consumption.
Workout average number of leaf webs per plant by observing 20 plants selected at random. One leaf -mild; 2-5 moderate ; >5 severe.