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Corn Earworm Archive

Corn Earworm Forecast
August 27, 2025

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
August 26, 2025

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
August 25, 2025

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
August 22, 2025

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
August 21, 2025

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
August 20, 2025

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
August 19, 2025

There is little to no risk for corn earworm migration in the next five days.

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Corn Earworm Forecast
August 18, 2025

Low corn earworm migration risks are predicted mainly east of a line from near Wichita, Kansas to Milwaukee, Wisconsin tonight into tomorrow as a cold…

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Corn Earworm Forecast
August 15, 2025

Moderate corn earworm migration risks are predicted tonight into tomorrow across portions of Nebraska, South Dakota, Minnesota, Iowa, Missouri, Wiscon…

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Corn Earworm Forecast
August 14, 2025

Low corn earworm migration risks are predicted tonight into tomorrow mainly west of Lake Michigan and the I-55 corridor in Illinois.

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Corn Earworm Forecast
August 13, 2025

Low corn earworm migration risks are predicted tonight into tomorrow across the Plains states mainly west of I-35, and potentially as far north as nea…

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Corn Earworm Forecast
August 12, 2025

Low corn earworm migration risks are predicted west of I-35 tomorrow night into Thursday, and then these risks expand east to Lake Michigan and the I-…

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Forecasts are limited to the country’s main crop production regions east of the Rocky Mountains and west of the Appalachian Mountains and parts of Canada. Insect forecasts are based on data analyzed from moth traps located throughout the United States’ main crop production regions as well as predicted weather patterns and field reports and research. Forecasts are estimates based on available information and cannot guarantee actual insect pressure risks. Recommendations for insect pressure risk forecasts are based upon generally accepted practices. Forecasts and recommendations should not be used as a substitute for sound farming practices, including diligent field monitoring, or as a sole means for making risk management decisions.

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