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ViewAttendees 3

10-Minute Paper

Plant-Insect Ecosystems

P-IE: Biological Control 1

Survey of spotted-wing drosophila parasitoids in the Columbia River Gorge

Sunday, November 5, 2023
2:24 PM – 2:36 PM ET
Location: Gaylord National Resort & Convention Center, National Harbor 2
In-Person

    Presenting Author(s)

  • Christopher G. Adams

    Assistant Professor Tree Fruit Entomology
    Oregon State University
    Hood River, Oregon

Spotted wing drosophila, Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) is an invasive pest of many soft fruits including sweet cherries. Management of this pest relies heavily on insecticides, with a substantial economic and environmental impact. Sustainable non-pesticide integrated pest management strategies are urgently needed. Classical biological control using parasitoids is a promising area of research for this invasive pest. In the Columbia River Gorge region, a complete understanding of the parasitoids attacking D. suzukii is lacking. Recent discoveries of adventive populations Ganaspis brasiliensis and Leptopilina japonica here in the Pacific Northwest demonstrated the need for a coordinated sampling of parasitoids across this important sweet cherry growing region. Survey results discussed.