ApocaDocs: Combined Pesticide Exposure Affects Bumblebee Colony Success

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	Combined Pesticide Exposure Affects Bumblebee Colony Success http://apocadocs.com/s.pl?1350937953 Individual worker behaviour and colony success are both affected when bees are exposed to a combination of pesticides, according to research conducted by Dr Richard Gill and Dr Nigel Raine at Royal Holloway, University of London. This research, published in Nature, investigated social bumblebee colonies which rely on the collective performance of numerous individual worker bees. It showed that chronic exposure to two commonly-used pesticides (a neonicotinoid and a pyrethroid), at concentrations approximating field-level exposure, impaired natural foraging behaviour and increased worker mortality. This led to significant reductions in colony success, and increased rates of colony failure.

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'Doc Michael says:

It never ceases to amaze me that pesticides could be harmful to insects.