New pheromone components of the grapevine moth Lobesia botrana
2005
Witzgall, P. | Tasin, M. | Buser, H.R. | Wegner-Kiss, G. | Mancebon, V.S.M. | Ioriatti, C. | Backman, A.C. | Bengtsson, M. | Lehmann, L. | Francke, W.
Analysis of extracts of sex pheromone glands of grapevine moth females Lobesia botrana showed three previously unidentified compounds, (E)-7-dodecenyl acetate and the (E,E)- and (Z,E)-isomers of 7,9,11-dodecatrienyl acetate. This is the first account of a triply unsaturated pheromone component in a tortricid moth. The monoenic acetate (E)-7-dodecenyl acetate and the trienic acetate (7Z,9E,11)-dodecatrienyl acetate significantly enhanced responses of males to the main pheromone compound, (7E,9Z)-7,9-dodecadienyl acetate, in the wind tunnel. The identification of sex pheromone synergists in L. botrana may be of practical importance for the development of integrated pest management systems.
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