Definition of webworm in English:


Syllabification: web·worm
Pronunciation: /ˈwebˌwərm


North American
  • A caterpillar that spins a web in which to rest or feed. When present in large numbers, it can become a serious pest.
    • Loxostega and other genera, family Pyralidae
    More example sentences
    • The product works as either a preventive or curative control for fire ants, mole crickets, sod webworms, cutworms, armyworms and chinch bugs.
    • Of these pests, the mimosa webworm is the most serious, especially for thornless varieties.
    • These webworms behave a lot like thistle caterpillars in soybeans.

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