The spotted wing drosophila was already dreaded for its serrated ovipositor that allows females to lay eggs on intact, ripening fruit.Now, the invasive pest is developing resistance to insecticides in some regions, something the industry and researchers anticipated.It’s getting worrisome," said Joanna Chiu, an entomologist at the University of California, Davis.Chiu and colleagues at UC Davis and other universities around the nation are searching for ways to detect thatresistance, quantify it, map it, and connect it to genetic markers.
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