Here is an interesting paper that claims tobacco plant nectar, and some other kinds also.... help bees deal with parasites: http://www.sciencedaily.com/releases/2015/02/150217202931.htm Christina *********************************************** 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