(Z,Z)-4,7-Tridecadien-(S)-2-yl Acetate: Sex Pheromone of Douglas-Fir Cone Gall Midge, Contarinia oregonensis

来自 Springer

阅读量:

52

作者:

RegineGriesGrigoriKhaskinGerhardGriesRobbG.BennettG.

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摘要:

Our objectives were to identify and field test the sex pheromone of female Douglas-fir cone gall midge, Contarinia oregonensis (Diptera: Cecidomyiidae). Coupled gas chromatographic–electroantennographic detection (GC-EAD) analyses of pheromone extract revealed a single compound (A) that elicited responses from male antennae. Hydrogenation of pheromone extract, followed by renewed GC-EAD analysis, revealed a new EAD-active compound with chromatographic characteristics identical to those of tridecan-2-yl acetate on five fused silica columns (DB-5, DB-210, DB-23, SP-1000, and Cyclodex-B). Syntheses, chromatography, and retention index calculations of all possible tridecen-2-yl acetates suggested that the candidate pheromone A was a tridecadien-2-yl acetate with nonconjugated double bonds. Synthetic candidate pheromone component (Z,Z)-4,7-tridecadien-2-yl acetate (Z4Z7) cochromatographed with A on all analytical columns and elicited comparable antennal activity. In GC-EAD analyses that sep

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DOI:

10.1023/A:1021005517389

被引量:

124

年份:

2002

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2005
被引量:23

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