Insect Alert For

Corn Earworm

Risk Level:
No Risk
Affected Area:
No risk Full page
Alert Details

A weather change is expected this weekend into next week as a strong cold front is likely to push across much of the corn-growing region. Ahead of the front, however, warm and breezy south to southwest winds may allow for a few isolated corn earworm moths to fly north into remaining fresh market and processing fields in far southeast Minnesota, northeast Iowa, northern Illinois, Wisconsin, southwest lower Michigan, and northern Indiana tomorrow night into Saturday morning. As the front continues southeast, additional moths may impact fields from northeast Illinois into Indiana, Ohio, lower Michigan, and southern Ontario, Canada Saturday night into Sunday. Little to no risk is anticipated after Sunday, but growers with crops still at susceptible stages to corn earworm damage should continue to monitor traps and scout fields until the threat has passed or harvest is complete.