The objectives of this study were to compare mortality of D. suzukii flies and fruit infestation in semi-field bioassays that employed fruit with field-aged residues in laboratory bioassays. These assays were conducted with insecticides approved for application on blueberry, with and without exposure to rainfall.We also compared grower-applied insecticide programs at commercial highbush blueberry farms during two growing seasons to determine whether conventional or organic insecticide-based management programs provide significant control of D. suzukii.