Insect Alert For

Corn Earworm

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Alert Details

Low corn earworm migration risks are in the forecast the next three nights as a hot and humid dome of air encompasses much of the corn-growing region. South to southwest winds originating from Texas and the mid-south region of the country will feed north right into the corn-growing region, and could lead to a few isolated moth flights during this time period. With both field and sweet corn beginning to tassel in some areas, it is important for growers to set out traps and scout fields looking for signs of new moths. Low risks are in place tonight into tomorrow morning mainly west of I-35 in Missouri and Iowa and south of I-90 from southern South Dakota and southwest Minnesota southward into Kansas. Low risks then expand east to Lake Michigan and the I-57 corridor in Illinois tomorrow night, and finally as far east as near Detroit, Michigan and western Ohio by Saturday night before a cold front moves through the region which should end the threat by that point.