New studies show that a widely used insecticide can threaten the health of bumblebee colonies and interfere with the homing abilities of honeybees.

Science Daily quotes bee researcher Dave Goulson as saying, "Some bumblebee species have declined hugely. For example, in North America, several bumblebee species which used to be common have more or less disappeared from the entire continent. In the UK, three species have gone extinct."
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