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bollworm

bollworm

1 8.7
A caterpillar that eats cotton bolls and other crops
  • noun
  • /ˈbɔlˌwɜrm/
  • Specialized
translation icon : gusano del algodón
  • They harvested the early cotton before populations of pink bollworms had a chance to build up to troublesome levels.
  • cotton bollworm
  • pink bollworm
  • bollworm and budworm

Examples

  • Similarly, on farms throughout China, farmers have been growing a cotton plant that is engineered to be resistant to the destructive pest cotton bollworm.

    Academic text (2012)
  • However, a leading entomologist argued that the bollworm is less sensitive to the Bt toxin than are other pests, "so it is misleading to use this cotton in a high-dose/refuge approach."

    Academic text (1999)
  • This year, they expect to spray four or five times, primarily to control the bollworm.

    Academic text (1994)
  • Analysis has shown that these resistant cotton plants will even control the bollworm on nearby non-engineered plants.

    Academic text (2012)
  • They feed on pests like the cotton bollworm, beet armyworm, and aphids.

    Academic text (1994)
  • However, cotton treated with spinosad had fewer damaging bollworm and budworm larvae than plots treated with the other pesticides," Esquivel says.

    Academic text (2000)
  • Also known as the corn earworm, cotton bollworm, soybean podworm, or tomato fruitworm, it costs U.S. farmers nearly $1 billion annually in crop losses and control expenses.

    Academic text (1995)
  • In fact, like its "partners in crime"—tobacco budworm and cotton bollworm—it was recently added to the list of cotton pests that are showing resistance to insecticides.

    Academic text (1999)
  • Genes from the bacterium Bacillus thuringiensis (Bt) were added to cotton, making the plant produce a protein toxic to several major cotton pests, including pink bollworm, tobacco budworm, and bollworm.

    Academic text (2004)
  • Farmers often struggle with bollworm infestations, as these caterpillars can damage entire cotton crops.

Synonyms

cotton bollworm
vsbollworm
  • UK
6.7

A caterpillar that eats and damages crops like cotton and corn

is the general name for various larvae that damage cotton and other crops
pink bollworm
vsbollworm
  • Specialized
8.6

A small caterpillar that eats seeds inside cotton bolls and damages cotton plants

is broader covering many larvae that eat bolls and other crop parts
corn earworm
vsbollworm
  • Specialized
8.1

A caterpillar that eats and damages corn and other crop plants

is the wider category for larvae that destroy cotton bolls and other crops
tobacco budworm
vsbollworm
  • Specialized
8.8

A small caterpillar that eats crops like cotton, corn, and tomatoes

is the general label for larvae that feed on cotton bolls and other crops
vetchworm
vsbollworm
  • Specialized
9.9

A caterpillar that eats and destroys crops like corn or tomatoes

is the broader name for larvae that eat cotton bolls and other crops

Compounds

A caterpillar that eats and damages crops like cotton and corn

pink bollworm
  • Specialized
8.6

A small caterpillar that eats seeds inside cotton bolls and damages cotton plants

Surface Forms

bollworm singular
bollworms plural

Morphology

bollworm = boll + worm (semi-transparent) = boll + worm

The compound's parts directly indicate a 'worm' associated with a 'boll', but 'boll' is specialized agricultural vocabulary that many learners may not know.

Etymology

Bollworm is a simple compound of boll and worm, where boll means a plant's round seed pod (think of a 'ball') and worm means a 'young caterpillar'. So a bollworm is literally a caterpillar that eats the round seed pods of cotton and similar plants, which is why it destroys cotton bolls.