Insect Alert For

Corn Earworm

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

A persistent south to southwest flow weather pattern is predicted across a good portion of the corn-growing region this holiday weekend and into next week, as well. The result will be increasing southerly winds along with higher temperatures and eventually more humidity especially moving into next week. Corn earworm migration risks will also be on the increase, with threats especially to fresh market and processing grower fields. Low risks are predicted tonight into tomorrow mainly west of Lake Michigan, with the risk spreading east into southwest lower Michigan and Indiana as well as western Kentucky tomorrow night into Sunday. By early next week, a cold front does look to make its way into the picture, and southerly winds may actually increase a little more so Moderate risks have been introduced to the forecast in the Monday night and Tuesday time period across portions of Minnesota, Iowa, Wisconsin, and Illinois, with the Moderate risk spreading east into portions of Michigan and Indiana by Tuesday night into Wednesday, as well. Growers with various crops still at susceptible stages to corn earworm damage need to continue trapping and scouting efforts as additional moth flights appear probable in the next week.