> We also noticed a significant correlation between the number of pathogen species and colony losses. As usual, I would hasten to add that correlation does NOT prove causation. These pathogens are just as likely symptoms of some underlying condition as they are causal or even contributory. Peter Loring Borst Ithaca, NY 14853 *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html