Something new to worry about?
http://www.theledger.com/apps/pbcs.dll/article?AID=/20061222/NEWS/612220347/1178 ...Seven commercial beekeepers interviewed for the report claimed hive losses ranging from 30 percent to 90 percent, and one beekeeper said he expected just nine of his 1,200 colonies to survive the winter...
...University of Florida professor Jamie Ellis said the disease might be the work of varroa mites, a pest of honeybees that transmit viruses.
Then again, fall dwindle might also be connected to bacteria, weather patterns, chemical buildup in honeycombs or stress from being transported for commercial pollination...
I'm betting on the chemical buildup myself.