photo of european corn borerEuropean Corn Borer: European corn borer is primarily a pest of corn, but is occasionally found in Mississippi cotton fields, particularly fields that have received few insecticide treatments. European corn borers damage cotton by boring in the stem or by boring into bolls. During the later portion of the season, European corn borer moths are frequently seen in cotton fields that are located near corn. The moth of the European corn borer is readily distinguished from moths of most cotton pests by its characteristic wing shape (note how the margin of the forewing curves near the tip).