[MartinTheK (OP)]

Well, does it? How about bumblebees? Sherlock Holmes retired to raise bees on the souiith downs. Lets send him an ounce of shag  and see what he can come up with.

[Don_1]

I don't think there have been any reports of this.

Colony collapse is no yet understood, there could be a number of reasons for it. Perhaps if a single reason can be isolated, the spread of killer bees could be controlled.