Trapping the spotted wing drosophila

Entomologists who are working with the spotted wing drosophila are trying to refine their monitoring techniques so they can correlate number of flies trapped to number of flies that are actually in the orchards and to give greater meaning to the results.

Spotted wing drosophila (Drosophila suzukii) is a tiny fruit-feeding insect that appeared in the Pacific Northwest in the fall of 2009. Unlike its relative, the common fruit or vinegar fly, which attacks only mature fruit, the spotted wing drosophila attacks fruit on the tree.

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