> From: Dennis Murrell <[log in to unmask]> > > Thomas Moser, on the BiologicalBeekeeping Group at Yahoo Groups- has > indicated that European beekeepers have been experiencing failures in > some areas using organic acids in spite of more frequent treatments. I forgot those links in my previous post. You will find info on European research here. http://www.entom.slu.se/res/bi/proj16b.html is a good place to start. http://www.apis.admin.ch/english/Themes/Varroa.htm is the Swiss Bee Research Center with much facts about acids. -- Regards P-O Gustafsson, Sweden [log in to unmask] http://www.algonet.se/~beeman/