A female spotted wing drosophila lays eggs on a cherry. PHOTO BY PETER SHEARER, OSU Fluctuating populations of spotted wing drosophila from year to year are keeping growers in the Pacific Northwest guessing. After relatively little pressure in 2011, the fly came back with a vengeance in 2012. Growers in Europe are also seeing fluctuations. European Fruit Magazine reports that after serious infestations in 2011, various European countries suffered less damage in 2012. “In 2011, entire crops were destroyed in various places by the actions of this insect,” the magazine reported in its January issue. “Therefore, the fear was that […]