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Insecticides that threaten bees also harm damselflies, study finds

Insecticides that threaten bees also harm damselflies, study finds

Science
July 5 (UPI) -- New research suggests damselflies are being harmed by thiacloprid, a common neonicotinoid insecticide used by farmers to kill aphids and whiteflies. When researchers first began testing the efficacy and safety of neonicotinoids, insecticides synthetically derived from nicotine, they determined the chemicals only harmed insects that actually ate the sprayed crops. Thus, only the targeted pests would be killed. But over the last decade, dozens have studies have shown this assumption to be false and identified neonicotinoid exposure as the primary driver of colony collapse disorder and the decline of honey bees all over the world. The latest study, published this week in the Journal of Applied Ecology, suggests other bystanders are also being negatively affected, including d...