I am not answering this question, but I am keenly interested in some discussion on it. After many years of good results with just a fall treatment of amitraz and then oxalic drizzle this year some hives (but just some) are showing lots of mites in the wash and I feel I have to do something but the hives have supers on. Stan *********************************************** 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