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corn earworm |
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corn earworm or cotton bollworm, destructive larva of a moth, Heliothis zea. Also known as tomato fruitworm, the larva attacks a variety of crops, boring into and feeding on the developing fruits—tomatoes, corn kernels, or cotton bolls. The adult moth is pale yellow. It is classified in the phylum Arthropoda Arthropoda (ärthrŏp`ədə) [Gr.,=jointed feet], largest and most diverse animal phylum. ..... Click the link for more information. , class Insecta, order Lepidoptera, family Noctuidae. corn earwormor cotton bollworm or tomato fruitwormMoth larva (Heliothis zea, family Noctuidae) that damages corn, tomato, cotton, and other seasonal crops. The smooth, fleshy, green or brown caterpillars feed on corn kernels near the tip of the ear and burrow into tomatoes and cotton bolls. Four or five generations of the pale brown adult moths, with wingspans of 1.3 in. (3.5 cm), are produced annually. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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He doesn't plant Roundup Ready soybeans, but nevertheless uses tramlines on his drilled beans to go after corn earworms and escaped weeds. When corn earworms mate, the males leave their partners with more than just sperm -- they also transfer a substance that makes the females less eager to find other mates. Elliger have found that varieties of Physalis (a genus including the tomatillo and cape gooseberry) and of petunia contain chemicals that can dramatically stunt Heliothis zea -- also known, depending on the host, as tomato fruitworms, corn earworms or bollworms. |
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