I'd be careful with wintergreen. It can be toxic. We don't use it in our conditioning of bees - too hard on the bees. It may be that there's a threshold at which the dose is toxic to mites, but not to bees. Jerry **************An Excellent Credit Score is 750. See Yours in Just 2 Easy Steps! (http://pr.atwola.com/promoclk/100126575x1221322979x1201367215/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072&hmpgID=62&bcd=Jun eExcfooterNO62) *********************************************** 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