Journal
PHYSIOLOGICAL ENTOMOLOGY
Volume 31, Issue 4, Pages 316-327Publisher
BLACKWELL PUBLISHING
DOI: 10.1111/j.1365-3032.2006.00525.x
Keywords
Hylobius abietis; insecticide recognition; lambda-cyhalothrin; Sitka spruce; pyrethroids
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The response of the large pine weevil (Hylobius abietis) to the pesticide lambda-cyhalothrin, a pyrethroid, is investigated. Both behavioural (feeding preferences) and nutritional and physiological (lipid content) responses are recorded. Hylobius abietis shows both a significant avoidance of pesticide-treated food sources and a decrease in lipid content after exposure, but a full recovery after feeding on untreated food. It is proposed that the mechanism for the pesticide avoidance and altered lipid levels is due to an anti-feedant effect of the pesticide. Implications for pest management programmes are described.
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