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.

Related Questions
What is the scientific classification for the most frequently encountered woolly bear?What defensive action does the Isabella Tiger Moth caterpillar exhibit when threatened?How do the color bands of a stressed or cold woolly bear typically appear?What is the typical color pattern of a mature Isabella Tiger Moth larva, moving from the head end to the tail end?Which factor is cited as contributing to the widespread distribution of the woolly bear?According to popular winter lore, what does a wide rusty-brown band on the caterpillar imply about the coming winter?In what stage does the woolly bear typically survive the winter months?What do natural scientists believe about the folklore linking band width to future weather?When is the best time to observe woolly bears actively moving to find shelter?If a woolly bear is entirely covered in long, dense black bristles, which species is it most likely *not*?