Journal of Applied Entomology - Zeitschrift für angewandte Entomologie (1996) 120, 397-403

B.S. Lindgren, G. Nordlander and G. Birgersson (1996)
Feeding deterrence of verbenone to the pine weevil, Hylobius abietis (L.) (Col., Curculionidae)
Journal of Applied Entomology - Zeitschrift für angewandte Entomologie 120 (7), 397-403
Abstract: Exposure to verbenone vapours did not cause any acute toxicity symptoms in the pine weevil, Hylobius abietis, whereas weevils exposed to higher doses of both limonene and alpha-pinene exhibited signs of poisoning within a few h. Verbenone consistently, suppressed feeding, while symptom-free weevils exposed to limonene or alpha-pinene fed as much as controls. Feeding in verbenone-exposed weevils remained suppressed 20 h after the insects had been transferred from the exposure vials, whereas weevils exposed to limonene and alpha-pinene resumed normal feeding soon after transfer. Feeding deterrence by verbenone was lost after 48 h, and starved weevils were less deterred than fed weevils. Feeding was also reduced by weevils offered food contaminated by verbenone, indicating that, acute toxicity effects were not responsible for the reduced feeding observed in weevils exposed to verbenone vapors. Feeding deterrence by verbenone is hypothesized to be due to its association with microbial breakdown of host tissues, indicating sub-optimal food quality.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): B. Staffan Lindgren, Göran Nordlander

Research topic(s) for pests/diseases/weeds:
pheromones/attractants/traps
control - general

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Hylobius abietis