Corn Survey Reports

​​​​​​​Euoprean corn borer larva, or caterpillarThe 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

Corn crop export certification 2017

Corn crop export certification 2016

Corn crop export certification 2015

Corn crop export certification 2014

Corn crop export certification 2013

Cereal and corn cyst nematode survey 2015


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