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New threats to wild bees identified

Bumblebees in the wild are infected with many diseases found in honeybees kept by bee keepers, according to a national survey.

With wild bees declining due to habitat loss and pesticides, it could have a big impact on native bees, say scientists at Royal Holloway, University of London.

More details from BBC environment correspondent, Helen Briggs.

  • 05 Mar 2015