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

Jocelyn Millar; J. Steven McElfresh; Francisco De Assis Marques

doi:10.1603/0022-0493-95.4.692

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Jocelyn Millar,^1,2 J. Steven McElfresh,² Francisco De Assis Marques^3,2

¹jocelyn.millar@ucr.edu
²Department of Entomology, University of California, Riverside, CA 92521
³Current address: Department of Chemistry, Federal University of Paraná, P.O. Box 19081, Curitiba, 81531–990, Brazil

Abstract

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.

Citation Download Citation

Jocelyn Millar, J. Steven McElfresh, and Francisco De Assis Marques "Unusual Acetylenic Sex Pheromone of Grape Leaffolder (Lepidoptera: Pyralidae)," Journal of Economic Entomology 95(4), 692-698, (1 August 2002). https://doi.org/10.1603/0022-0493-95.4.692

Received: 16 October 2001; Accepted: 1 January 2002; Published: 1 August 2002