Pesticide-dosed bees lose future royalty, way home

Low doses of insecticides can lead to fewer queens, shrinking colonies

By Susan Milius, 14:23 PM March 29, 2012

What does not kill them does not in fact make them stronger when it comes to bees and pesticides. Two unusual studies with free-flying bumblebees and honeybees find that survivable exposure to certain pesticides can lead to delayed downturns in bee royalty and a subtle erosion of workforces.

Pesticides appear as a suspect in widespread declines, sometimes subtle and sometimes dramatic, of the bees and other animals that pollinate crops and wild plants. And in one of the most dramatic still ...

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