Abstract
Previously, (Z)-11-tetradecen-1-yl acetate was reported as the sex pheromone of the obliquebanded leafroller,Choristoneura rosaceana (Harris). A mixture of 92% (Z)-11-tetradecen-1-yl acetate and 8% (E)-tetradecen-1-yl acetate has been reported as an attractant for this insect. (E)-11-tetradecen-1-yl acetate and (Z)-11-tetradecen-1-ol have now been isolated and identified from female tip extracts and shown to be behaviorally active; in addition, there is some evidence for the presence of (E)-11-tetradecen-1-ol in these extracts. TheZ∶E ratio for both the acetates and the alcohols in these tip extracts was about 98∶2; the proportion of alcohols was rather variable, but the acetates always predominated. Maximum trap catches fn the field during the course of this study were obtained with 5 mg of 95∶5 (Z)∶(E)-11-tetradecen-1-yl acetates containing 0.5–10% (Z)-11-tetradecen-1-ol (approx. 1%Eisomer) in polyethylene caps. No evidence was found for the presence of (Z)-11-tetradecenal in female tip extracts, and this compound was found to be ineffective in increasing trap catches.
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Lepidoptera: Tortricidae: Tortricinae.
This research was supported in part by the Rockefeller Foundation, and by NSF Grant No. GB-38020.
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Hill, A.S., Roelofs, W.L. Sex pheromone components of the obliquebanded leafroller moth,Choristoneura rosaceana . J Chem Ecol 5, 3–11 (1979). https://doi.org/10.1007/BF00987683
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DOI: https://doi.org/10.1007/BF00987683