what type?

Question

what type of catipillar looks like tree bark,its grey and purple underneath?what does a toggle worm look like, i live in east texas and people fish with them.

Answer 1

You can identify your caterpillar on this site.
What's this caterpillar.. Identifying caterpillars made easy
http://www.whatsthiscaterpillar.co.uk/america/index.htm

As to the toggle worm, it is probably a local name. I would guess that it might be a smooth skinned caterpillar called a looper.