A paper accepted for publication in Apidologie describes the incorporation of a trait for resistance to mites into an "Italian" pollination based bee population. It is possible, perhaps not easy, and takes time. Also, as some have pointed out, the efforts can get diluted quickly in the real world. http://www.ars.usda.gov/research/publications/publications.htm?seq_no_115=317665 *********************************************** 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