News

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.

In Iowa, the species of corn rootworm (CRW) that are of economic importance include western corn rootworm (Diabrotica virgifera virgifera LeConte) and northern corn rootworm (D.

The Canadian “Bt” Corn Trait Tables for 2024 are now available:

English:  Canadian Bt Corn Trait Table for April 2024

This 2-page document list 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.

Western corn rootworm (WCR) and northern corn rootworm (NCR) continue to dominate as
economic pests throughout the U.S. and Canada. Recently, high corn rootworm