webworm

[ web-wurm ]
/ ˈwɛbˌwɜrm /

noun

the larva of any of several moths, as Hyphantria cunea(fall webworm ) or Loxostege similalis(garden webworm ), which spins a web over the foliage on which it feeds.

Origin of webworm

An Americanism dating back to 1790–1800; web + worm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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