Wednesday, 23 October 2024

Introgression: How the Corn Earworm Borrowed Insecticide Resistance From an Invasive Cousin

Side-by-side images of two caterpillars each feeding on an ear of corn. Their striped bodies with shades of green and brown crawl over partially eaten kernels. The surrounding corn silk and husk are visible.

This post Introgression: How the Corn Earworm Borrowed Insecticide Resistance From an Invasive Cousin appeared first on Entomology Today - Brought to you by the Entomological Society of America.

When sweetcorn growers in Colorado found corn earworms that were resistant to insecticides, researchers investigated, discovering that native corn earworms had hybridized with invasive Old World bollworms, onboarding insecticide-resistant genes from their relatives—a phenomenon called introgression. [Read more]

The post Introgression: How the Corn Earworm Borrowed Insecticide Resistance From an Invasive Cousin appeared first on Entomology Today.



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