Laboratory Evaluation of Plant-Derived Antifeedants Against the Pine Weevil Hylobius abietis (Coleoptera: Curculionidae)

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We assayed 12 plant-derived and 1 insect-produced allelochemicals—verbenone, borneol, bornyl acetate, carvone, cucurbitacin, myrcene, limonin, 4-allyanisole, α- pinene, β-pinene, limonene, and coumarin—for inhibition of feeding by the pine weevil Hylobius abietis L. Scots pine twigs were treated with these compounds dissolved in ethyl acetate solvent, and adult weevils were fed for 48 h on the twigs in both choice and no-choice assays. Coumarin, carvone, verbenone, and limonin were consistently inhibitory to feeding by both male and female H. abietis. Borneol and 4-allyanisole also demonstrated some activity as an antifeedant compound against H. abietis. The remainder of the compounds did not consistently inhibit weevil feeding. Sex of weevils or temperature in cold storage (10 or 5°C) did not consistently affect amount of bark feeding. A 48-h feeding period gave more distinct effects for active compounds than did a 24-h test.

Keywords: 4-allylanisole; H. abietis; carvone; coumarin; limonin; verbenone

Document Type: Research Article

Publication date: June 1, 1999

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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