What class is caterpillar under?

worm

(Whoever wrote this is an idiot! Goes to show that anyone can answer a question on here and get published online. Don't trust everything you read; if you have a question, do a little research yourself)

*Butterflies and moths are in the class Insecta, order Lepidoptera*

HE ASKED WHAT IS A CATERPILLAR NOT A BUTTERFLY! but i dont really no, maybe it is a myriapod, or annelid