Amy Dreves, an entomologist with the Oregon State University Extension Service, demonstrates how to check vinegar traps for spotted wing drosophila flies. Filmed and edited by Tiffany Woods.
![](/sites/default/files/styles/related_content_block/public/images/2018-06/f09drosophilajpg.jpg?h=3075d6f2&itok=BUCRIG6_)
Amy Dreves, an entomologist with the Oregon State University Extension Service, demonstrates how to check vinegar traps for spotted wing drosophila flies. Filmed and edited by Tiffany Woods.
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