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Revista de la Sociedad Química del Perú

versión impresa ISSN 1810-634X

Resumen

ESPINOZA, Giovana; GAMBETTA, Joanna  y  ROJAS, Rosario. Identification of a potential sexual pheromone of Copitarsia corruda by gas chromatography and electroantennography, for the integrated asparagus pest management. Rev. Soc. Quím. Perú [online]. 2012, vol.78, n.4, pp.225-233. ISSN 1810-634X.

Copitarsia corruda (Lepidoptera: Noctuidae) is a pest of asparagus, that causes serious economic losses to farmers. With the aim of controlling this insect by means of sex pheromones, the female sex glands volatiles were extracted with dichloromethane and analyzed by means of gas chromatography coupled to mass spectrometry. This same extract was then subjected to an analysis by gas chromatography coupled to Electroantennography to evaluate the response of the male antennas of C. corruda to the stimulus of the compounds contained in the extract. It was observed that male insects of respond positively to (Z)-9- tetradecenyl acetate. This compound appears to be the main sexual pheromone in the sex glands of female insects. These findings will be confirmed by field experiments.

Palabras clave : Asparagus; Copitarsia corruda; electroantennography; sexual pheromone.

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