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Spotted Wing Drosophila

Photos and Videos for SWD

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Infested Blueberry

egg on blueberry surface. Photo: Danny Dalton, Oregon State University

Uninfested blueberry

SWD male no-choice experiment

Larvae inside fruit flesh

Apple cider vinegar traps attracting flies but with no damage to wine grapes. Photo: Walton Laboratory, Oregon State University

Sharp ovipositor is used by female SWD to cut into ripe fruit and lay eggs under the skin

SWD Identification - Key Characters. Male: black spot on wings, two black combs on front legs. Female: inserts saw-like device (ovipositor) into fruits and lays eggs.

SWD yeast monitoring trap. Photo: Danny Dalton, Oregon State University

Photo: Walton Laboratory, Oregon State University

Walton Laboratory fly colony establishment

Cultural controls (netting) and monitoring for spotted wing drosophila in Italy

Photo: Walton Laboratory, Oregon State University

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Oregon State University
Corvallis, Oregon 97331

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