Insect Alert For

Corn Earworm

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

Corn earworm migration risks are on the increase in the next five days as a rather persistent and active weather pattern may allow isolated to scattered moth flights to occur. Low pressure is predicted to remain in the western or northwestern Plains region with high pressure in the southeast United States. In between these two pressure centers, south to southwest winds will be common and may increase especially this weekend. Low migration risks are in place tonight across much of the corn-growing region west of Lake Michigan and I-55 with the risk spreading east into southwest Michigan and Indiana by Friday night into Saturday morning. A Moderate risk is predicted in portions of Kansas, Missouri, Iowa, Nebraska, South Dakota, Minnesota, and Wisconsin on Saturday night into Sunday morning with Low risks spreading as far east as southwest Ontario, Canada, Ohio, and Kentucky during this same time and into next week. Growers across the entire corn-growing region should monitor their fields for signs of corn earworm moths especially on other host plants, and fresh-market or processing growers should be especially vigilant in monitoring for direct damage to their crops in the next week.