Thanks. Marla Spivak explains her strategy here: http: Hi Chris Thanks. Marla Spivak explains her strategy here: http://www.sare.org/publications/factsheet/pdf/03AGI2005.pdf but SMR (=VSH) bees seem better at keeping mite numbers low: http://www.apidologie.org/index.php?option=article&access=standard&Itemid=129&url=/articles/apido/ref/2006/01/M6002/M6002.html and http://www.apidologie.org/index.php?option=article&access=standard&Itemid=129&url=/articles/apido/ref/2007/01/m6069/m6069.html all the best Gavin *********************************************** 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