Abstract
The attraction of virgin female medflies to either the natural pheromonal odor of calling males or its synthetic major components was enhanced by both intermediate and minor pheromonal components in multiple choice discrimination tests. The modification of the standard Gow rotating-trap-array, cage olfactometer to allow a single source of natural pheromonal odor to be delivered equally and simultaneously to a number of traps greatly increased trapping efficacy (64% capture rate) and ability to resolve odor preference discrimination by female flies. In olfactometer cage bioassays, responding female medflies expressed preferences in attraction to male odor augmented with either synthetic intermediate or minor components over male odor alone. In dual-choice flight-tunnel bioassays, the minor blend enhanced the attractiveness of both the natural male odor and its synthetic major components. Moreover, the minor blend, when presented together with the synthetic major components, comprised an artificial pheromonal lure competitive for the first time with the natural male odor in attraction of virgin female medflies.
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Light, D.M., Jang, E.B., Binder, R.G. et al. Minor and Intermediate Components Enhance Attraction of Female Mediterranean Fruit Flies to Natural Male Odor Pheromone and Its Synthetic Major Components. J Chem Ecol 25, 2757–2777 (1999). https://doi.org/10.1023/A:1020855625244
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DOI: https://doi.org/10.1023/A:1020855625244