News

The Regional Corn Rootworm Monitoring Network turned five in 2025! In 2025, data from 273 sites were compiled to produce this report.

The Corn Rootworm Trap Network is 5 years old! We have learned a lot about corn rootworm populations here in Ontario and we value the efforts of all trap participants who have monitored sites each season.

This report provides a summary of research conducted by the Gassmann Lab at Iowa State University to evaluation insecticide products and traits for corn rootworm management.

This 2-page document lists the types of Bt present in all commercialized corn in the U.S.A. in a concise format. It presents the trade names for traits, Bt event, protein(s) expressed, targeted insects and herbicide traits.

The most recent report of corn rootworm beetle counts is now available! This report covers beetle counts on sticky traps placed around the U.S. and Canada in 2024 as well as relevant field history information.