Journal Article

Unusual Acetylenic Sex Pheromone of Grape Leaffolder (Lepidoptera: Pyralidae)

Jocelyn Millar, J. Steven McElfresh and Francisco De Assis Marques

in Journal of Economic Entomology

Volume 95, issue 4, pages 692-698
Published in print August 2002 | ISSN: 0022-0493
Published online September 2014 | e-ISSN: 1938-291X | DOI: https://dx.doi.org/10.1603/0022-0493-95.4.692
Unusual Acetylenic Sex Pheromone of Grape Leaffolder (Lepidoptera: Pyralidae)

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The female-produced sex pheromone of grape leaffolder, Desmia funeralis (Hübner), has been identified as a blend of (Z,Z)-11,13-hexadecadienal, 11-hexadecynal, and (Z)-11-hexadecenal. The first two components were essential for attraction of male moths, whereas the third compound was not essential, but increased trap catches approximately twofold when added in appropriate doses to the optimum blend of the other two components. In field tests, male moths were trapped equally well in traps baited with pheromone doses of 0.2 to >6 mg, and lures remained attractive for at least 5 wk.

Keywords: Desmia funeralis; (Z,Z)-11; 13-hexadecadienal; 11-hexadecynal; (Z)-11-hexadecenal; sex pheromone

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