British Independent. The sharp decline in honeybees has been linked with a change in the foraging behaviour of young bees brought on by some kind of environmental stress such as parasitic attacks or pesticides, a study has found.
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When honeybees are under stress they respond by sending out the youngest and most inexperienced worker bees to forage for food, and these bees are more likely to die prematurely than older workers that started to forage later in life, scientists said.