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Drosophila #749912

Asked May 14, 2021, 12:32 PM EDT

Has the spotted winged Drosophila emerged in western Oregon yet this season? When should I start a control program? ie: traps, organic sprays...

Marion County Oregon

Expert Response

You can find information about SWD including a description of traps to monitor activity in the link below:
https://pnwhandbooks.org/insect/emerging-insect-pests/ongoing-eradication-programs/spotted-wing-drosophila-emerging-berry

If you can share with me what stone or small fruit you are growing, I can provide more detailed information on detection and management.

Neil Bell Replied May 14, 2021, 4:59 PM EDT

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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