Effet de faibles doses d'un insecticide néonicotinoïde sur le système olfactif d'un lépidoptère de ravageur des cultures, Agrotis ipsilon

Abstract : Insects face a multitude of environmental stresses, which they have to bypass in order to survive and reproduce. The extensive use of neonicotinoid insecticides, because of their high efficiency, leads to the accumulation of residues in the environment, which can have an additive toxic effect on target insects. However, such residues can also have unwanted positive effects on certain life traits of pest insects. In my thesis I studied the effects of a neonicotinoid insecticide on the olfactory system of the pest insect Agrotis ipsilon. Our results show that acute oral treatments of males with low doses of clothianidin modify their behavioural responses to the sex pheromone: a treatment with 0.25 ng/moth (
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Kaouther Rabhi. Effet de faibles doses d'un insecticide néonicotinoïde sur le système olfactif d'un lépidoptère de ravageur des cultures, Agrotis ipsilon. Sciences agricoles. Université d'Angers, 2015. Français. ⟨NNT : 2015ANGE0074⟩. ⟨tel-02289108⟩

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