SWD Fruit Pictures | College of Agricultural Sciences

Potential impacts of spotted wing drosophila on berries and other fruit

SWD male no-choice experiment

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

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.

Infested Blueberry

Uninfested blueberry

Larvae inside fruit flesh

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

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

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

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SWD Fruit Pictures