Insect Alert For

Black Cutworm

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

Another cold front is predicted to move through the corn-growing region this week. Along with the front is an accompanying elevated black cutworm migration risk as south to southwest winds ahead of the front and precipitation may lead to additional scattered moth flights into especially the central and eastern reaches of the corn-growing region. The Moderate risk tonight into tomorrow morning is focused from central Illinois east into Indiana and north into southwest lower Michigan. By tomorrow night into Thursday morning, as the cold front moves east, the Moderate risk area focuses from central and eastern Indiana east into Ohio and north into southeast lower Michigan and southern Ontario, Canada. Looking ahead to the weekend, another storm system is expected to slowly move through the corn-growing region and may pose a potential threat for some black cutworm migration, but concerns over excessive and widespread precipitation across the source region and also into potentially portions of the corn-growing region precludes a risk at this time. Growers should continue to monitor traps and keep track of heat unit accumulations, especially with corn now emerging and recent planting progress.