Having seen the daily drop sheets under hives treated with OA(v) I have no doubt that it kills mites I use 2 gm/box in a water pipe "crack pipe" Yes this is the upper end doseage If it is too warm for them to be clustered you have to do it towards dusk. Warmer is better, as loose a cluster as possable They should make some noise dave *********************************************** 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 Access BEE-L directly at: http://community.lsoft.com/scripts/wa-LSOFTDONATIONS.exe?A0=BEE-L