Identification of Sex-Pheromone Components of the Podborer, Matsumuraeses falcana (WALSHINGHAM) (Lepidoptera : Tortricidae)

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Analyses of female secretions of Matsumuraeses falcana by means of GC-MS equipped with a glass capillary column showed the presence of ten aliphatic acetates. Dodecyl acetate was the main component in the extracts at amounts of about 13 ng/female. (E)-8-Dodecenyl acetate and (E, E)-8, 10-dodecadienyl acetate were present to the extent of 27.8% and 23.3% of the main component, respectively. Minor components were identified as (E)-10-dodecenyl acetate (2.1%), (E, Z)-7, 9-dodecadienyl acetate (6.6%), (E, E)-7, 9-dodecadienyl acetate (2.7%), (E, Z)-8, 10-dodecadienyl acetate (2.1%), tetradecyl acetate (0.8%), (E)-10-tetradecenyl acetate (0.4%) and octadecyl acetate (tr). Bioassay revealed that both (E)-8-dodecenyl acetate and (E, E)-8, 10-dodecadienyl acetate were essential to show sex-attractive and sex-stimulative activities to the male moths.