Varroa Mite Wreaks Havoc in Swiss Bee Colonies

swissinfo.ch  By Oliver Pauchard  10/3/12

Swiss beekeepers are hoping for a cold autumn and spring after last year's mild temperatures turned honeycombs into honeyed tombs – mostly because of the Varroa mite, which feeds on healthy bees.

The past few years have been tough for bee colonies almost everywhere. For example, colony collapse disorder was a massive problem in the United States in 2007. But this year has proven disastrous for honeybees and their keepers in Switzerland. A study of a thousand Swiss hives shows that  50 per cent of the bees did not survive the winter of 2011-2012.
 
There are many hypotheses suggesting why so many bees have died – from a build-up of pesticides to a loss of feeding area diversity, as well as climate change, fungal infections or even electromagnetic waves. However,...

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