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SEX PHEROMONE OF THE MAPLE LEAF ROLLER CENOPIS ACERIVORANA (LEPIDOPTERA: TORTRICIDAE)

Published online by Cambridge University Press:  31 May 2012

G. G. Grant  and
K. N. Slessor
G. G. Grant
Affiliation:
Forest Pest Management Institute, Canadian Forestry Service, Sault Ste. Marie, Ontario P6A 5M7
K. N. Slessor
Affiliation:
Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6
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Abstract

Pheromone gland rinses of female maple leaf roller moths were analyzed by capillary gas chromatography and found to contain (Z)-11-tetradecenal, (E)-11-tetradecenal, tetradecanal, (Z)-11-tetradecenyl acetate, (E)-11-tetradecenyl acetate, and tetradecyl acetate in the average ratio of 33:20:8:21:17:2 for single female analysis and 31:16:6:16:27:3 for a pooled extract of 55 females. Identity of the tetradecenals, the tetradecenyl and tetradecyl acetates was confirmed by gas chromatography/mass spectrometry. Electroantennogram analysis indicated that (Z)-11-tetradecenal followed by (E)-11-tetradecenal were the most stimulating compounds tested. In field tests, only three components (Z)-11-tetradecenal, (E)-11-tetradecenal and (Z)-11-tetradecenyl acetate, in the microgram ratio of 65:35:10, were necessary for optimum attraction. Another tortricid moth, Archips griseus, was attracted to some of the aldehyde mixtures.

Résumé

La chromatographie en phase gazeuse à colonnes capillaires a révélé, dans les extraits de la glande qui, chez la femelle adulte de l'enrouleuse de l'érable, secrète les phéromones, la présence de (Z)-tétradécène-11-al, de (E)-tétradécène-11-al, de tétradécénal et d'acétate de (Z)-tétradécène-11-ol-1, de (E)-tétradécène-11-ol-1 et de tétradécénol. En moyenne, le rapport des concentrations de ces substances dans les extraits était respectivement de 33/20/8/21/17/2 pour une femelle et de 31/16/6/16/27/3 pour 55 femelles. On a confirmé l'identité des tétradécénals ainsi que des acétates par chromatographie en phase gazeuse couplée à la spectrométrie de masse. Des électroantennogrammes ont démontré que les substances qui provoquaient les plus fortes réactions étaient d'abord le (Z)-tétradécène-11-al puis le (E)-tétradécène-11-al. Sur le terrain, un mélange de trois des composés seulement, soit 65 μg de (Z)-tétradécène-11-al, 35 μg de (E)-tétradécène-11-al et 10 μg d'acétate de (Z)-tétradécène-11-ol-1, s'est révélé le meilleur attractif. Une autre tortricide, Archips griseus, a été attirée par certains mélanges d'aldéhydes.

Type
Articles
Information
The Canadian Entomologist , Volume 115 , Issue 2 , February 1983 , pp. 189 - 194
Copyright
Copyright © Entomological Society of Canada 1983

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