(redirected from bollworms)
Also found in: Thesaurus, Encyclopedia.


Any of several moth caterpillars that feed on cotton bolls, especially the pink bollworm and the corn earworm.


(Animals) any of various moth caterpillars, such as Pectinophora (or Platyedra) gossypiella (pink bollworm), that feed on and destroy cotton bolls



1. Also called pink bollworm. the larva of a small moth, Pectinophora gossypiella, that feeds on the seeds of cotton bolls.
[1840–50, Amer.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bollworm - any of various moth caterpillars that destroy cotton bollsbollworm - any of various moth caterpillars that destroy cotton bolls
caterpillar - a wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth
Gelechia gossypiella, pink bollworm - larvae of a gelechiid moth introduced from Asia; feeds on the seeds of cotton bolls
corn earworm, cotton bollworm, Heliothis zia, tobacco budworm, tomato fruitworm, vetchworm - larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops
References in classic literature ?
At last the bollworm had attacked the cotton--the poison ivy was reaching out its tendrils to entwine the summer boarder--the millionaire lumberman, thinly disguised as the Alaskan miner, was about to engulf our Milly and upset Nature's adjustment.
Flint and technician John Merkle were able to alter the response of male pink bollworms so they seek unnatural ratios of two components found in their pheromone.
The bollworms were mostly found in Pollen because the toxin in the Pollen was lower and bollworms mostly eat Pollen and leaf.
and/or bollworms Helicoverpa zea (Boddie) (heliothines) might be difficult to obtain depending upon host plants available to the insects.
Lab work has shown that pink bollworms already carry gene variants that in certain combinations can provide immunity.
ARS researchers are working with industry to develop cotton that would not be destroyed by pink bollworms and other lepidopteran insect pests.
Another biotech crop, Bollgard cotton, has been a particular advantage to growers in the Makhathini Flats region of South Africa, one of the poorer regions of the world, where bollworms traditionally have destroyed up to 60 percent of growers' harvests.
He said that Cotton in Pakistan was mainly damaged by number of Sundies like spotted bollworms, American bollworms, pink bollworms, army worms etc, and mostly cotton growers could not overcome these worms due to number of reasons, and end up great yield losses.
He told that in the 3-day the 5th meeting of the Asian Cotton Research and Development Network (ACRDN) was unique of its nature in which more than 50 papers were read on critical issues confronting cotton production, such as Cotton Leaf Curl Virus (CLCV), bollworms, sucking insect pests, weeds, drought, use of sewage water, value addition in cotton seed products.
Midwesterners call the insects corn earworms, but farmers elsewhere grumble about cotton bollworms and tomato fruitworms.
In a 1999 study, the National Center for Food and Agricultural Policy (NCFAP) estimated that 2 million less pounds of chemical insecticides were used to control cotton bollworms and budworms in six key cotton-producing states during the 1998 growing season, compared to the insecticide levels used prior to the introduction of Bt cotton.
Esquivel at College Station, Texas, have years of expertise developing new tactics to fight two of cotton's worst enemies--cotton bollworms and budworms.