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Insecticide resistance in parasitoids is a trait of value for a better integration of biological and chemical controls in certain situations. However, practical use of this trait has been rare and may have been partly hindered by the very low rate of success in artificial selection of insecticide resistance in parasitoids. In this study, we explored the feasibility of promoting selection of resistance...
Laboratory selection was conducted for fenvalerate resistance in two colonies of the parasitoid, Cotesia plutellae Kurdjumov, each reared on a different colony of its host, Plutella xylostella (L.), with different level of resistance to the insecticide. In the selection regime the insecticide was applied to the host larvae that harbored the parasitoid larvae. Compared with the unselected parasitoid...
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