Monday, September 26th 2011 — Corn Earworm

Red: high risk, Yellow: moderate risk, Green: low risk, Brown: insect source region
How to Read the Maps

No risk of corn earworm migration is predicted the next five days. A large cutoff low in the southwest Great Lakes region will continue to result in some southerly or southwesterly winds especially in the eastern Great Lakes region and eastern Midwest, but any remaining crops (both field and fresh market produce) are past critical insect damage stages so no migration risk is warranted at this time.

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Corn Earworm

CEW thumb

Corn Earworm (Helicoverpa zea) Corn earworm is found throughout North America except for northern Canada and Alaska. Normally, corn earworm does not overwinter successfully in the northeastern United States. It is known to survive as far north as about 40…

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