Source: Purdue University

Many producers have asked Extension personnel if the recent harsh, cold winter killed a lot of the pest insects, but the answer is that it depends.

According to Christian Krupke and John Obermeyer, Purdue University, the established pests such as rootworms, cutworms and corn borders, likely were unaffected since they have become adapted to the area. But it's still important to check the data: weather station records.

Original press release