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spotted-wing drosophila trap

spotted-wing drosophila trap

Beginning shortly after the arrival of spotted-wing drosophila (Drosophila suzukii) in Michigan in 2010, entomologists at Michigan State University set up traps such as this one—a plastic deli cup baited with a mix of sugar, active dry yeast, and tap water—to monitor the presence of the fly near blueberry crops and have been maintaining them ever since. In a report published in September in Environmental Entomology, the researchers use data from more than half a million flies caught over 7 years to delve into the environmental conditions that drive the flies’ activity, timing, and abundance. (Photo courtesy of Heather Leach)

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