Symptoms
- Larva seen in groups in tree trunks
- Feed gregariously
- Scraping the bark and gnawing foliage
- Severe infestation leads to defoliation of the tree
Management
- Collect and destroy egg masses and caterpillars
- Set up light trap @ 1/ha to attract and kill adults immediately after rain
- Use burning torch to kill congregating larvae on the trunk
Dept of Agriculture Development 
SFAC Kerala