>  Hello , I would put my money on a virus. I have seen it first hand
> about the time you think everything is normal and the mites are gone
> , the hive goes down very fast.
 
This strikes me as a potential area for bees resistant to specific
viruses to develop fairly quickly.
 
This combined with increased resistance to varroa and acarine may
reduce, if not eliminate the losses we are now seeing.
 
Regards
 
Allen
 
W. Allen Dick, Beekeeper                                         VE6CFK
RR#1, Swalwell, Alberta  Canada T0M 1Y0
Internet:[log in to unmask] & [log in to unmask]
Honey. Bees, & Art <http://www.internode.net/~allend/>