Ontario needs corn rootworm trap participants, whether you’ve monitored traps in the past few years or not. Fields with a history of corn on corn are the preferred target. Any participants from last year are encouraged to use some of the same fields as last year, even if they rotated out of corn. This will help […]
Results from the 2022 Ontario trap sites participating in the Adult Corn Rootworm (CRW) Trap Monitoring Network have been summarized in the infographic below. A more detailed report for all trap sites across North America was prepared by Ashley Dean and Erin Hodgson at Iowa State University and myself at: 2022 Regional Corn Rootworm Monitoring […]
As corn approached VT stage, it is the ideal time to start putting up the corn rootworm sticky traps. We are asking everyone participating this year to monitor and change traps weekly, on approximately 7 day intervals, so that we can properly calculate the # of beetles per trap per day. It will also help […]
Key links for the 2022 Corn Rootworm Trap Network: The 2022 CRW Trapping Instructions are available here, though the trapping methods are similar to last year in that trap sites are to be monitored weekly (in regular 7 day intervals) for 6 to 8 weeks. 4 traps are setup each week at each trap site. […]
Several US states and Canadian provinces are joining forces to monitor for adult corn rootworm (CRW) beetles this year. Though some US states have been monitoring adult rootworm beetles using sticky traps for several years now, trapping for CRW is relatively new for Ontario. Weekly trap data for all trap sites involved will be collected […]
