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E-MYRCENOL: A NEW PHEROMONE FOR THE PINE ENGRAVER, IPS PINI (SAY) (COLEOPTERA: SCOLYTIDAE)

Published online by Cambridge University Press:  31 May 2012

D.R. Miller ,
G. Gries  and
J.H. Borden
D.R. Miller
Affiliation:
Centre for Pest Management, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
G. Gries
Affiliation:
Centre for Pest Management, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
J.H. Borden
Affiliation:
Centre for Pest Management, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
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Abstract

E-Myrcenol reduced catches of the pine engraver, Ips pini (Say), to ipsdienol-baited, multiple-funnel traps in a dose-dependent fashion. The sex ratio was unaffected by E-myrcenol treatments. Lures containing E-myrcenol in ethanol solution failed to protect freshly cut logs of lodgepole pine from attack by I. pini. Rather, I. pini preferentially attacked logs treated with devices releasing E-myrcenol and ethanol, over nontreated, control logs. Our results demonstrate that E-myrcenol is a new pheromone for I. pini, and emphasize the importance of understanding basic pheromone biology before utilisation of a semiochemical in forest pest management.

Résumé

Selon la dose utilisée, le E-myrcenol a réduit les captures du scolyte du pin, Ips pini (Say), dans des pièges à entonnoirs multiples appâtés avec l’ipsdienol. Le rapport des sexes n’était pas affecté par les traitements avec le E-myrcenol. Les appâts contenant le E-myrcenol dans une solution d’éthanol n’ont pas réussi à protéger des billes du pin lodgepole fraîchement coupées de l’attaque du I. pini. L’attaque du I. pini s’est faite plutôt sur les billes libérant le E-myrcenol et l’éthanol, comparativement aux billes témoins non-traitées. Nos résultats démontrent que le E-myrcenol est une nouvelle phéromone pour I. pini et soulignent l’importance d’une compréhension de la biologie fondamentale des phéromones avant d’utiliser un composé semiochimique dans la lutte intégrée contre les ravageurs forestiers.

Type
Articles
Information
The Canadian Entomologist , Volume 122 , Issue 3 , June 1990 , pp. 401 - 406
Copyright
Copyright © Entomological Society of Canada 1990

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