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Posted Wed May 26 2010: from
BBC:
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'Synergy' explanation for bee decline http://apocadocs.com/s.pl?1274887476
Scientists from the US Department of Agriculture say the pathogens to blame are a fungus and a family of viruses.... Jay Evans of the USDA Agricultural Research Service, a researcher on the study, says that when these two very different pathogens show up together, "there is a significant correlation with colony decline".... So how do bees get CCD? Evans believes the infection is spread primarily through pollen on flowers.... "Once the viruses become prevalent in a colony, they spread quite rapidly both by contact among the bees and often by a parasitic [Varroa destructor] mite that lives on them.
"We've been able to see the viruses move within that mite and actually be transmitted from bee to bee by the mite," said Evans.
As for the fungus, it is transferred by the insects' excretions, he said.
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