The larva of any member of a large, widespread group of moths is called an inchworm. Also called loopers, inchworms move in a characteristic “inching” or “looping” gait by extending the front part of the body and bringing the rear up to meet it. Resembling twigs or leaf stems, they feed on foliage and can seriously damage or even destroy trees.
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: a small caterpillar that is a larva of a moth and moves by bringing forward the hind part of the body and then extending forward the front part of the body