Insects

The Trapping Line: April 23

  • April 23, 2013

  • Dennis Bowman

UPDATE(4/25): Additional volunteers needed. Kelly Estes, Coordinator of the Illinois Cooperative Agricultural Pest Survey suggests anyone interested in monitoring traps contact her at:  kcook8@illinois.edu or 217-333-1005.
Currently, black cutworm moth pheromone traps are active in the University of Illinois insect monitoring program.  Traps for other species will be brought online as the season progresses. Extension Educators and volunteers monitor the traps and report the results through the North Central IPM PIPE system,…

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Pyramided Bt Cotton and Factors Leading to Potential Compromised Longevity: Cautionary Findings for Bt Corn and Western Corn Rootworm?

  • April 9, 2013

  • Michael Gray

In late March 2013, an article was published in the Proceedings of the National Academy of Sciences (PNAS) titled “Potential shortfall of pyramided transgenic cotton for insect resistance management.” The authors of the paper were as follows: Thierry Brévault, Shannon Heuberger, Min Zhang, Christa Ellers-Kirk, Xinzhi Ni, Luke Masson, Xianchiun Li, Bruce E. Tabashnik, and Yves Carrière. The scientists pointed out in their introduction that the first generation of Bt cotton plants,…

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Soil Insecticide Use on Bt Corn Expected to Increase this Spring Across Much of Illinois

  • March 28, 2013

  • Michael Gray

What a difference a year can make. Many of us will recall the record-breaking warm temperatures of last March across the Corn Belt of the United States. Those temperatures fueled a rush towards planting in April and the earliest emergence of western corn rootworm adults that I have witnessed. On June 7, 2012, I reported that severe rootworm injury had already occurred in a cornfield located in Cass County along with plentiful adults that were causing considerable injury to the corn leaves.…

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