The 2005 ESA Annual Meeting and Exhibition
December 15-18, 2005
Ft. Lauderdale, FL

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Saturday, December 17, 2005
D0443

Insect resistance management for corn rootworm

Alan H. Reynolds, reynolds.alan@epa.gov1, Sharlene Matten, matten.sharlene@epa.gov1, and Tessa Milofsky, milofsky.tessa@epa.gov2. (1) USEPA/Office of Pesticide Programs/Biopesticides and Pollution, Prevention Division (7511C), 1200 Pennsylvania Ave. N.W, Washington, DC, (2) U.S. EPA, Office of Pesticide Programs, 1200 Pennsylvania Avenue NW (7511C), Washington, DC

EPA has required Insect Resistance Managment (IRM) strategies for Bt corn crops targeting corn rootworm (Diabrotica sp.). IRM is needed due to the risk of resistance from sustained, season-long expression of high levels of Bt toxins. The preferred strategy involves the use of refuges to produce susceptible insects to mate with any resistant insects that might arise from the Bt crop. For additional information, see EPA's biopesticides web site: www.epa.gov/pesticides/biopesticides


Species 1: Coleoptera Chrysomelidae Diabrotica virgifera (western corn rootworm)
Species 2: Coleoptera Chrysomelidae Diabrotica barberi (northern corn rootworm)
Keywords: host plant resistance, insecticide resistance management

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