fall webworm


Definition of fall webworm

: a pale yellow dusky-striped hairy caterpillar that is the larva of either of two common white arctiid moths (Hyphantria cunea and H. textor) and that lives gregariously in nests of webbing at the ends of branches of many deciduous trees — compare tent caterpillar

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Cite this Entry

“Fall webworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fall%20webworm. Accessed 26 Oct. 2021.

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