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RESPONSE OF THE MOUNTAIN PINE BEETLE, DENDROCTONUS PONDEROSAE HOPKINS, TO ETHANOL IN A LABORATORY OLFACTOMETER1

Published online by Cambridge University Press:  31 May 2012

A. Syed  and
K. Graham
A. Syed
Affiliation:
Faculty of Forestry, University of British Columbia, Vancouver, British Columbia, Canada V6T 1W5
K. Graham
Affiliation:
Faculty of Forestry, University of British Columbia, Vancouver, British Columbia, Canada V6T 1W5
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Extract

Graham (1968) demonstrated that logs became attractive to ambrosia beetles after the sapwood was subjected to anaerobic conditions. Pursuing this lead, Cade et al. (1970) and Moeck (1970a, 1970b, 1971) extracted, analyzed, and bioassayed anaerobic products from western hemlock and Douglas-fir trees and ascertained that ethanol was the principal “primary attractant” to the ambrosia beetles, Gnathotrichus sulcatus (LeConte) and Trypodendron lineatum (Olivier), respectively. The demonstration that ethanol enhanced the response of the Douglas-fir beetle, Dendroctonus pseudotsugae Hopkins, to its aggregation pheromones frontalin and seudenol (Pitrnan et al. 1975) suggested that ethanol could also be involved in the primary attraction of or host recognition by bark beetles. We report that the mountain pine beetle, Dendroctonus ponderosae Hopkins, is arrested to ethanol in a laboratorv olfactometer.

Type
Articles
Information
The Canadian Entomologist , Volume 119 , Issue 5 , May 1987 , pp. 489 - 490
Copyright
Copyright © Entomological Society of Canada 1987

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References

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