Sex pheromones of Spilonota ocellana and Spilonota laricana
Witzgall, P. | Bengtsson, M. | Buser, H.-R. | Chambon, P.-J. | Priesner, E. | Wildbolz, T. | Arn, H.
The sex pheromones of Spilonota ocellana D. & S. and Spilonota laricana Hein. (Lepidoptera:Tortricidae) were identified by chemical analysis and field trapping. Female moths of the two species produce (Z)-8-tetradecenyl acetate, (Z)-8-tetradecen-1-ol and dodecyl acetate in almost the same proportions (98:1:1 and 97:3:1). Males of both species were best attracted to a blend of 10:1 to 1:1 Z8-14Ac:Z8-14OH. This indicates that mating barriers other than sex pheromones exist between sympatric populations.
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