- Author: Mary Louise Flint
Published on: April 7, 2014
![Figure 1. The adult male (shown here) of the spotted wing drosophila has a black spot on its forewings but the female doesn’t.](https://ucanr.edu/blogs/UCIPMurbanpests/blogfiles/21317small.jpg)
Figure 1. The adult male (shown here) of the spotted wing drosophila has a black spot on its forewings but the female doesn't.
[From March 2013 issue of the Retail Nursery and Garden Center IPM News.]
Spotted winged drosophila (SWD), Drosophila suzukii, is a fruit fly that first arrived in California in the late 2000s and now is present throughout most of the state (Figure 1). It can attack various berry crops including strawberries, raspberries, blackberries, and blueberries; however, in backyards most complaints come from gardeners who grow cherries.
Unlike other fruit flies that attack fruit only after it has ripened and is starting to deteriorate, SWD attacks healthy fruit on the tree...
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