Effects of rain and insecticides on Drosophila suzukii abundance and behavior
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An invasive insect to the Unites States, Drosophilia suzukii (SWD) has been destroying marketable fruit, particularly blueberries, since its introduction. The current pest management strategy relies heavily on full field insecticide sprays to protect fruit from infestation. Though research has been done on the efficacy of different insecticides against SWD, only one previous study has looked at the impact of rain on insecticide efficacy against SWD. This study’s aim was to determine if there was an effect of rain on SWD behavior, effect of rain on insecticide effectiveness, or if there was an effect of rain duration on insecticide effectiveness. We hypothesized that rain would cause a change in SWD behavior, and that rain and rain duration would decrease insecticide effectiveness, causing an increase in SWD abundance.