corn earworm

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corn earworm

n.
Either of two noctuid moths (Helicoverpa zea or H. armigera), having larvae that feed on and damage corn, cotton, tomatoes, and other crops. Also called cotton bollworm, tobacco fruitworm.

corn earworm

n
(Animals) US the larva of the noctuid moth Heliothis armigera, which feeds on maize and many other crop plants. See also bollworm

corn′ ear`worm

(ˈɪərˌwɜrm)
n.
the larva of a noctuid moth, Heliothis zea, that is a pest of corn ears, cotton bolls, and other crops.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.corn earworm - larva of a noctuid mothcorn earworm - larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops
family Noctuidae, Noctuidae - cutworms; armyworms
bollworm - any of various moth caterpillars that destroy cotton bolls
References in periodicals archive ?
Pina & Solleiro (2013) reported that protecting non-Bt corn in several areas of Mexico from infestations of corn earworms and fall armyworms required from 3 to 5 insecticide applications per season, and from 720 g to 3.
Corn earworms (also known as cotton bollworms) cost cotton producers an estimated $200 million a year in lost crops and control expenses, and they are notoriously hard to track because they migrate at night.
corn rootworms (2003) and corn earworms (2010) has been introduced.
However, the amount of feeding done by the cabbage looper and cabbageworm, cankerworms, corn earworms and the European Corn borer, cutworms and the granddaddy of caterpillars, the tomato hornworm, which can grow up to 5 inches long, is extensive.
com) online tool to help alert farmers when corn earworms could threaten their fields due to migration paths.
Bt (Bacillus thuringiensis) is a naturally occurring bacteria which controls many insects including cabbage worms, potato beetles, and corn earworms.
Midwesterners call the insects corn earworms, but farmers elsewhere grumble about cotton bollworms and tomato fruitworms.
One day farmers might exchange pesticides for an industrial grade polymer that looks and acts like cotton candy as a major weapon against onion maggots, cabbage maggots, corn earworms and other agricultural pests.
In addition, in vitro feeding tests were conducted to estimate insect survival and weight gain for corn earworms, fall armyworms (S.
We manipulated the presence or absence of alternative prey by adding either 0 or 20 corn earworms or pea aphids.