Effect of Pheromone-Releaser Distribution and Release Rate on the Mating Success of Spruce Budworm (Lepidoptera: Tortricidae)

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Abstract
Sex pheromone-releaser distribution and release rate had pronounced effects on the mating success of Choristoneura fumiferana (Clemens). Small field plot studies indicated an increase in mating disruption when the point source of the synthetic pheromone was increased in release rate and decreased in frequency per unit area. Daily variations in this effect were apparent.