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Field evaluation of controlled release formulations of disparlure for gypsy moth mating disruption

, : Field evaluation of controlled release formulations of disparlure for gypsy moth mating disruption. Journal of Economic Entomology 72(3): 322-326

Duplicate experiments were conducted in Massachusetts and Maryland [USA] to evaluate 7 aerially applied controlled-release formulations of disparlure for gypsy moth [Lymantria dispar (L)] mating disruption. Incidence of mating of female moths was significantly less in treated plots [oak forest] than in untreated plots. Depending upon the formulation sprayed, mating in treated plots over the season was reduced 83 to 21% from that in control plots in Massachusetts; the mating reduction in Maryland treatment plots varied from 97 to 19%. Several formulations reduced mating throughout the entire flight season. In plots treated with the most effective formulation (1976 2% NCR microcapsules), the mating reduction dropped to 73% in Massachusetts during peak flight, when most male moths were present. With this same formulation, the mating reduction in Maryland, where more sparse populations existed, was at least 88% throughout the test.


DOI: 10.1093/jee/72.3.322

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