red-humped caterpillar

noun

Definition of red-humped caterpillar

: a variably but predominantly black and yellow striped gregarious caterpillar with the head and dorsally humped fourth body segment bright red that is the larva of a notodontid moth (Schizura concinna) and is an important pest on various deciduous trees in North America

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“Red-humped caterpillar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red-humped%20caterpillar. Accessed 7 Aug. 2020.

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