Question

what is secreted by catterpillar​

Answer 1

Explanation:

The oral secretions or regurgitant of caterpillars contain potent elicitors of plant induced responses. These elicitors are recognized by host plants to differentiate between simple mechanical injury and the presence of herbivores

Answer 2

Explanation:

Caterpillars regurgitate the acidic digestive juices for attacking the enemies. Even papilionid larvae produce the smells from the extricable glands which is called as osmeteria