Vetiver oil and its components nootkatone and cedrene were assessed as sand treatments for their efficacy to disrupt food recruitment by Coptotermes formosanus Shiraki. Termites were required to tunnel through sand treated with vetiver oil, nootkatone, cedrene, or untreated sand to reach a food source. Results showed that sand treated with vetiver oil or nootkatone disrupted termite tunneling behavior. As a consequence, after 21 d, wood consumption and termite survival were significantly lower compared with cedrene-treated or untreated sand treatments. Sand treated with vetiver oil or nootkatone at 100 μg/g substrate were effective barriers to termites.
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1 December 2001
Efficacy of Vetiver Oil and Nootkatone as Soil Barriers Against Formosan Subterranean Termite (Isoptera: Rhinotermitidae)
Lara Maistrello,
Gregg Henderson,
Roger A. LAINE
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Journal of Economic Entomology
Vol. 94 • No. 6
December 2001
Vol. 94 • No. 6
December 2001
cedrene
Coptotermes formosanus
insect repellent
natural products
Vetiveria zizanioides