Definition of bollworm in US English:



  • A moth caterpillar that attacks the cotton boll.

    ('pink bollworm') a small moth that is a serious pest of the North American cotton crop (Pectinophora gossypiella, family Gelechiidae)

    (also 'cotton bollworm')another term for corn earworm

    • ‘They are known to eat cabbage moths, bollworms, tomato hornworms and broccoli worms.’
    • ‘The pink bollworm is a major cotton pest which invades the growing cotton bolls and destroys both the seeds and the cotton fibers.’
    • ‘It would concentrate bollworms so they could be sprayed.’
    • ‘My beneficial insects take care of the bollworm, and our killing frosts kill a lot of the insects.’
    • ‘In its adult, or moth, stage, the pink bollworm lays its eggs on cotton bolls.’
    • ‘At the same time they had reduced pesticide applications from eight sprayings to one spraying, and the single spraying was for a secondary insect pest, not the bollworm that the cotton was now protected against.’
    • ‘The toxin-enhanced virus would act like a magic insecticide bullet, targeting only cotton bollworms, for example, and leaving bees and other beneficial insects unharmed.’
    • ‘Midwesterners call the insects corn earworms, but farmers elsewhere grumble about cotton bollworms and tomato fruitworms.’