Bijensterfte, oorzaken en gevolgen

By Michael McCarthy, Environment Editor - The Independent - Tuesday, 5 April 2011
Bees can detect pesticide residues in the pollen they bring back to the hive and try to isolate it from the rest of the colony, the American government's leading bee scientist revealed in London yesterday.

They "entomb" the contaminated pollen in cells which are sealed over, so they cannot be used for food, said Dr Jeffrey Pettis, head of the Bee Research Laboratory of the US Department of Agriculture.