The Wisconsin Pest Survey conducts surveys for diseases, insects and weed pests of corn. These include European corn borer, corn rootworm beetle, western bean cutworm, Stewart's wilt and gray leaf spot. We sample more than 1,500 corn fields each summer, making more than 4,000 pest observations.
Newly emerging corn diseases
Cereal and corn cyst nematode survey 2015-2017
Corn crop export certification 2017
Corn crop export certification 2016
Corn crop export certification 2015
Back to main pest survey page
