The western bean cutworm is a late-season pest of field corn that we rarely see in Iowa. Tony Weis, ISU Extension specialist in field crops, first pointed out some of the problems this year that farmers are experiencing from this moth in northwestern Iowa. One field in Holstein, Ida County, had approximetely 95 percent of the ears heavily damaged from the larvae. Kernels in the ear tips, plus along the side of the ear, were consumed or heavily scarred. In addition to this loss of grain, many plants were invaded by ear molds, which reduce the quality of the yield at harvest.
Iowa State University
Rice, Marlin E., "Western bean cutworm hits northwest Iowa" (2000). Integrated Crop Management News. 2113.
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