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Identification and Management of Spotted-Wing Drosophila in Virginia Berry Crops

The spotted-wing drosophila (SWD) originates from Asia where it has been a pest of soft fruit crops. In 2008 it was introduced into California, and we trapped it Virginia in 2010. This pest has a high reproductive rate and high number of generations, so populations can build quickly, with a high risk of insecticide resistance. Total crop losses have been seen resulting from infestation by SWD. Berry growers must be prepared to deal with SWD.

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