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STUDIES OF PHYSIOLOGICALLY ACTIVE ARTHROPOD SECRETIONS: X. SEX PHEROMONE OF THE EASTERN SPRUCE BUDWORM, CHORISTONEURA FUMIFERANA (LEPIDOPTERA: TORTRICIDAE)1

Published online by Cambridge University Press:  31 May 2012

J. Weatherston ,
W. Roelofs ,
A. Comeau  and
C. J. Sanders
J. Weatherston
Affiliation:
Insect Pathology Research Institute, Canadian Forestry Service, Sault Ste. Marie, Ontario
W. Roelofs
Affiliation:
Department of Entomology, Cornell University (NYS Agric. Exp. Station), Geneva, New York
A. Comeau
Affiliation:
Department of Entomology, Cornell University (NYS Agric. Exp. Station), Geneva, New York
C. J. Sanders
Affiliation:
Great Lakes Forest Research Centre, Canadian Forestry Service, Sault Ste. Marie, Ontario
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Abstract

The sex pheromone of the female eastern spruce budworm was identified as trans-11-tetradecenal by a combination of electroantennogram techniques, laboratory bioassays, and chemical analysis. Subsequent field trapping showed that this compound is a potent attractant for both male Choristoneura fumiferana (Clem.) and C. occidentalis Free, thus supporting its identification as a sex pheromone of the eastern spruce budworm and suggesting that it is also a major component in the pheromone system of C. occidentalis.

Résumé

Identification de la phéromone sexuelle sécrétée par le papillon femelle de la Tordeuse des bourgeons de l’Épinette. Il s’agit du trans-11-tétradécenal, décelé à l’électro-antennogramme et par des essais biochimiques et des analyses chimiques. Outre le mâle de Choristoneura fumiferana, ce composé attire aussi le C. occidentalis mâle, suggérant qu’il forme aussi une partie importante du système des phéromones appartenant à C. occidentalis.

Type
Articles
Information
The Canadian Entomologist , Volume 103 , Issue 12 , December 1971 , pp. 1741 - 1747
Copyright
Copyright © Entomological Society of Canada 1971

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