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Influence of insecticide, wax and biofungicide treatments, applied to Pinus sylvestris and Picea abies, on the olfactory orientation of the large pine weevil, Hylobius abietis L. (Coleoptera: Curculionidae)

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1 A four-arm olfactometer was used to test the effect of permethrin ‘Gori 920®’ and the wax treatment ‘CereNat® E30’ on the response of mature adult Hylobius abietis to olfactory stimuli from seedlings of Pinus sylvestris and Picea abies.

2 Also investigated in the olfactometer was the effect of Rotstop®, a biofungicide for the control of Fomes root and butt rot, Heterobasidion annosum, on the responses of mature adult female H. abietis to stump material of both P. sylvestris and P. abies.

3 Hylobius abietis was significantly more attracted to untreated P. sylvestris seedlings compared to those treated with CereNat® E30 or permethrin Gori 920®. No differences in response to P. abies seedlings were found.

4 With Rotstop®, no changes in the attractiveness of P. sylvestris stump material were found, but that of P. abies was significantly increased compared to untreated material.

Keywords: Biological control; Heterbasidion annosum; Hylobius abietis; Phlebia gigantea; Picea abies; Pinus sylvestris; host plant location; large pine weevil; olfaction; permethrin

Document Type: Research Article

DOI: http://dx.doi.org/10.1046/j.1461-9563.1999.00023.x

Affiliations: Environment Department, Wye College, University of London, Wye, Kent, TN25 5AH, U.K.

Publication date: August 1, 1999

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