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The invasion of the spotted wing drosophila, Drosophila suzukii Matsumura, across the Americas and Europe has led to increased insecticide applications to protect fruit crops. This insecticide usage conflicts with integrated pest management programs, as well as harvest, export, and pollination services in the affected crops. A novel management tool was assessed against D. suzukii that may mitigate these conflicts. HOOK SWD, an attract-and-kill (A&amp;K) formulation applied as a sprayable bait, was evaluated for three growing seasons in two berry crops in New Jersey and California. In blueberry crops treated with HOOK SWD, fruit infestations by D. suzukii were 2-8 times lower than in untreated crops. In trials in commercial raspberry fields, weekly or biweekly HOOK SWD applications combined with a single grower standard D. suzukii-targeted cover spray resulted in nearly 2-5 times fewer fruit infestations compared to the grower standard cover spray alone. Assays of the residual activity of HOOK SWD resulted in more than 78-93% adult D. suzukii mortality when exposed to raspberry leaves after the formulation had aged for 35 d in the field under plastic hoop houses. These results suggest that this A&amp;K strategy can be integrated in D. suzukii management programs.

Testing a Novel Attract-and-Kill Strategy forDrosophila suzukii(Diptera: Drosophilidae) Management