Unlike the common drosophila flies, spotted wing drosophila will attack cherries before they are ripe. PHOTO BY PETER SHEARER, OSU After feeling little pressure from the spotted wing drosophila in 2011, Washington State cherry growers battled the pest through the 2012 season. And that’s likely to be the norm in the future, Dr. Elizabeth Beers, Washington State University entomologist, warned during horticultural meetings this winter. The first fly of the 2012 season was caught on April 30 in the Tri-Cities area, and many flies were trapped in May and June before peak harvest. Growers reported fruit damage, and 14 flies […]
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