Species Drosophila suzukii - Spotted-winged Drosophila

Spotted Wing Drosophila, Cherry Vinegar Fly

Drosophila suzukii Matsumura 1931

2-3 mm

Red eyes, yellowish-brown body color and dark bands on the abdomen. Males have a small dark spot on the leading edge of the wing near the tip, "spotted wings" and two sets of mating combs on the prothoracic legs. Females lack the spot and have a larger ovipositor than other common Drosophila spp.

native to e. & se. Asia, recently (2008) found and established along the Pacific Coast (BC-CA) and in FL(1)

In 2011 it has been showing up in ne. US (may become a serious pest of blueberries)

Many commercial fruits/berries (cherries, plums, raspberries, blackberries, blueberries, strawberries, etc.)(1)

The life cycle can be as short as 8-9 days (up to 13 generations a year in Japan)

Unlike most congeners, this species lays eggs in healthy fruit and can be a serious agricultural pest(1)

Pest alerts: FL, OR

University of Florida

http://cisr.ucr.edu/spotted_wing_drosophila_cherry_vinegar_fly.html