Wiktionary
budworm
n. Any of various moth caterpillars.
WordNet
Wikipedia
Usage examples of "budworm".
One is called the native budworm and the other, the corn earworm or the cotton bollworm - a good rowdy name for this pest.
One species can parasitize a hundred kinds of caterpillars, including budworms and cabbage white butterfly larvae.
The classic repellent for budworms is a squirt of mineral oil, which smothers the worms, applied with a medicine dropper or syringe inserted into the tip of each ear of corn or other budding fruits.