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Spruce budworm sex pheromone was dispersed from aircraft over forest land in Maine in late June, 1980. A major goal was to sample pheromone concentrations in air to determine whether the formulation would provide the steady, sustained release of chemical believed required for interfering with the mating process of the moths. Since pheromone was going to be applied for purposes of analyses of air, we believed we should also study some behavioral effects on spruce budworm populations. The principal body of data involved the ability of male budworm moths to orient to point sources of pheromone in pheromone-treated and untreated forest blocks, but attempts were also made to monitor fertility levels among females and to measure populations of eggs.
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Maine Agricultural Experiment Station
Dimond, J.B., D.G. Mott, W.P. Kemp, and J.H. Krall. 1984. A field test of mating-suppression using the spruce budworm sex pheromone. Maine Agricultural Experiment Station Technical Bulletin 113.