ArticlePest management science2026
Control failure risk, resistance and enzymatic activity of neurotoxic insecticides in Brazilian populations of Leucoptera coffeella (Lepidoptera: Lyonetiidae).
Article in Pest management science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundLeucoptera coffeella is a key pest of coffee crops in Brazil, causing significant damage by mining coffee leaves. Reports of reduced effectiveness of chemical control measures highlight the need to investigate potential resistance mechanisms. This study aimed to evaluate the risk of control failure, resistance levels and enzymatic activity in Brazilian field populations of L. coffeella exposed to neurotoxic insecticides.
resultsA total of 35 field populations of L. coffeella were collected and tested in the laboratory using filter paper discs treated with insecticide solutions. After 48 h of exposure, mortality rates, median and 95% lethal concentrations (LC
conclusionOur findings demonstrate widespread resistance and altered enzymatic activity in L. coffeella populations across Brazilian coffee-growing regions. These results highlight the urgent need to incorporate resistance monitoring and alternative control strategies into integrated pest management programs to ensure sustainable coffee production. © 2026 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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