Have you been seeing increased corn rootworm pressure in your continuous corn fields over the last few years? Monitoring with sticky traps can help you determine if you have a Bt resistant corn rootworm problem and it helps us keep track of where these problem fields are. Thanks to GFO and ABSTC, we still have […]
Corn Pests to Watch for Over the Next Month Tracey Baute, Entomologist – Field Crops, OMAFA Corn Rootworm Like many other pests, corn rootworm (CRW) is ahead of schedule this year. Adult beetles will be emerging this week or next. Anyone considering trapping for adults as part of the Corn Rootworm Trap Network should be […]
Have you really lived, if you haven’t had the enjoyable experience of trying to change sticky traps while rootworm beetles crawl down your shirt? Or had the thrill of tripping over goosenecked plants while you’re looking ahead to find your next trap down the corn row? Well, if that sounds thrilling (or even if it […]
We should be seeing adult rootworm activity very soon so it is the perfect time to put up any CRW sticky traps. If you are new to the CRW Trap Network, Welcome! If you are returning from previous years, there are some new features you should be aware of. Trap Set Up in Field: Corn […]
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 […]