What defensive action does the Isabella Tiger Moth caterpillar exhibit when threatened?

Answer

Curling into a tight, impenetrable ball

When threatened, the larva employs a predictable, innate defense mechanism by tucking its head and tail under its body, rolling into a tight ball to hide its softer underparts.

What defensive action does the Isabella Tiger Moth caterpillar exhibit when threatened?
insectidentificationlarvabearcaterpillar