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insecticide

In risks to bees, study finds not all neonicotinoids are equal

By Kate Kelland LONDON (Reuters) – A group of chemical insecticides known as neonicotinoids that have been banned in Europe due to fears about potential harm to bees have been found in new research to have very differential risks for bumblebees. Scientists who conducted the research said their findings showed that at least one neonicotinoid in the banned group – clothianidin – may have been unfairly named as among the offenders. This insecticide did not show the same detrimental effects on bee colonies as the others, imidacloprid and thiamethoxam, the researchers found.