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PINE OIL AND OLEIC ACID DELAY AND REDUCE ATTACKS ON LOGS BY AMBROSIA BEETLES (COLEOPTERA: SCOLYTIDAE)

Published online by Cambridge University Press:  31 May 2012

W. W. Nijholt
W. W. Nijholt
Affiliation:
Pacific Forest Research Centre, Canadian Forestry Service, Victoria, British Columbia V8Z 1M5
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Abstract

Pine oil, derived from pulp mill by-products, and oleic acid significantly delayed and reduced the attack by ambrosia beetles Trypodendron lineatum (Oliv.) and Gnathotrichus spp. on Douglas-fir logs. Pine oil also appeared to interfere with the attack by bark beetles. The possibility of combining the use of repellents with a pheromone-based diversion scheme is suggested as an effective protection strategy.

Résumé

L’huile de Pin, dérivée de sous-produits d’usines de pâtes et papiers et l’acide oléique ont significativement retardé et réduit l’attaque des scolytes du bois Trypodendron lineatum (Oliv.) et Gnathotrichus spp. sur des grumes de Douglas taxifolié. L’huile de Pin a de plus semblé efficace contre les scolytes de l’écorce. L’auteur suggère la possibilité de combiner l’utilisation de répulsifs avec une solution de diversion à base de phéromones comme stratégie de protection efficace.

Information

Type
Articles
Information
The Canadian Entomologist , Volume 112 , Issue 2 , 01 February 1980 , pp. 199 - 204
Copyright
Copyright © Entomological Society of Canada 1980

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