Insect Alert For

Corn Earworm

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

After a night of no corn earworm migration risk tonight, Low risks return to much of the corn-growing region from Saturday night through early next week as a weak low pressure system and attendant cool front work their way through the Midwest. Southerly winds in advance of the cold front may provide a corridor for moth flights to the northeast initially in the Plains and western Midwest Saturday night with the risk expanding east into Wisconsin, Illinois, Iowa, and Missouri on Sunday night into Monday morning. As the front moves east early next week, the Low risk area shifts into the Great Lakes region and eastern Midwest and is mainly focused east of I-57 from eastern Illinois to the east on Monday night into Tuesday morning. No risk is predicted thereafter as northwest to southeast wind flow is expected and this should limit any south to north corn earworm migration events at that time.