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Spotted wing Drosophila in home gardens

Spotted Wing Drosophila (SWD), Drosophila suzukii, is an invasive insect pest mainly of raspberries, blackberries (and other cane berries), blueberries, grapes, and stone fruit. Native to Asia, SWD was first found in North America in 2008 in California, and is currently found in Florida, Michigan, Wisconsin, and most of the primary fruit growing regions of the U.S. In August of 2012, the first confirmation of SWD was made in Minnesota in Ramsey, Hennepin, Anoka, and Olmsted Counties and as of December had been found in 29 counties, including McLeod County and a suspected infestation in Meeker County. To date the primary crop attacked has been raspberry but wild blackberries were also found to be infested.

Click here for more information about the identification and management of SWD.

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