in 2001 we got  bees  on property,couple years ago  more than half my hives had colony collapse it was very hard to deal with ,nothing you could do to   please check out attachment below    

 helphref="http://www.physorg.com/news205675578.html">Report: Virus, fungus new suspects in bee disease</a></p> <p>Researchers have a pair of new suspects in the mysterious collapse of honey bee colonies across the country.</p>