Insect Alert For

Corn Earworm

Risk Level:
Low Risk
Affected Area:
Full page
Alert Details

A continued active weather pattern is expected across much of the corn-growing region in the next week. No less than two cold fronts are predicted to affect the central and eastern United States in the next week. As a result, with at least some south to southwest wind flow present prior to each frontal passage, Low corn earworm migration risks are in the forecast. The potential for isolated moth flights remains focused primarily in the central and northern portions of the corn-growing region where there may still be crops at susceptible stages to damage (especially fresh-market and processing crops). Low risks remain across the eastern Midwest tonight into tomorrow morning as one front exits to the east. Low risks relax for one night but then return throughout the extended portion of the forecast as the next low pressure system develops in southern Canada and high pressure moves into the eastern United States. In between these two features southerly winds are expected that may result in isolated moth flights across much of the corn-growing region especially in the Plains late Saturday and spreading into the central and eastern corn-growing region by Sunday and into Monday/Tuesday of next week.