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North Carolina State University

Woodward D Bailey

R Michael Roe

Fred L Gould

George G Kennedy

Chester L Sutula

Methods of assaying insects for pesticide resistance and to identify insect species are based on feeding disruption caused by insecticide such as the biopesticide toxin (Bt). Further provided are methods for monitoring insecticide resistance in a population of insects, as well as methods of screening compounds for insecticidal activity. Insecticide resistance can be assessed at the level of an individual insect or at population levels. Apparatus and dehydrated insect meal pads useful in such assays are described.

Insecticide resistance assay

Methods of assaying insects for pesticide resistance and to identify insect species are based on feeding disruption caused by pesticides such as the biopesticide Bacillus thuringiensis toxin (Bt). The assay end-point is feeding disruption, measured by the fecal production of insects exposed to a diagnostic dose of pesticide in a test diet. Pesticide resistance can be assessed at the level of an individual insect or at population levels. Apparatus useful in such assays are described.

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Apex, NC, United States of America

Woodward D Bailey