The Western corn rootworm, Diabrotica virgifera virgifera, is one of the most devastating corn Corn rootworm larvae can destroy significant percentages of corn if left untreated. In the United States, current estimates show that 30,, .
Corn rootworms are important insect pest of corn in the Midwest. Two species of rootworms that may cause severe damage to corn as both larvae and adults, the .
Corn rootworm adult emergence is underway in Iowa. The three species of rootworm found in Iowa include the northern corn rootworm (NCR).
This corn rootworm insect management guide provides tips on how to differentiate the different types of corn rootworms and offers management options .