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webworm Line breaks: web|worm
Pronunciation: /ˈwɛbwəːm/

Definition of webworm in English:


North American
A caterpillar which 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
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.
Definition of webworm in:
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