Pest Management Tips & Resources

Soybean Gall Midge

European Corn Borer

White Grubs


Bt corn with traits conferring resistance to corn rootworms offer growers a simple, seed-based solution to managing corn rootworms. These traits are far more effective than soil insecticides or seed treatments in protecting corn roots. Corn rootworms have developed resistance to many control tactics over the last 50 years including crop rotation, soil insecticides, and foliar insecticides.

Two-Spotted Spider Mites

Prolonged drought raises the threat of two-spotted spider mite (Tetranychus urticae) outbreaks in soybeans and corn. Spider mite outbreaks are rare but have occurred more frequently in recent years (1988, 2007, 2009 and 2010). Farmers and their crop management advisors may want to read these resources from University of Minnesota Extension:

Neonicotinoid Effectiveness

University of Minnesota Resources

General Pest Management

  • Northern Plains IPM Guide - This guide provides current effective management options for insect and other pests and for plant pathogens affecting all major field crops grown in North Dakota, South Dakota, Minnesota, Nebraska, Iowa, and Kansas. Specific sections are dedicated to soybeans, corn, and home and garden pests.
  • Handy Bt-Trait Table - This table, from Michigan State University, can help producers avoid herbicide selection mistakes and surprises from non-covered insects.
  • Insect Resistance Management Refuge Calculator - National Corn Growers Association joined forces with agribuisness to develop this next-generation tool that assists farmers in developing the right plan for refuge compliance.

On-Farm Research Guide