Drosophila suzukii (Diptera: Drosophilidae)
Spotted Wing Drosophila
San Leandro, Alameda County, California
September 16, 2012

I reared 104 of these fruit flies from just seven red raspberries picked from vines in my backyard -- nearly 15 flies per raspberry. This photo shows some of the females, which don't have spots on their wings.