Thanks for the ref, Trevor! For the page in the book, see: http://www.amazon.com/Natural-Beekeeping-Organic-Approaches-Apiculture/dp/1933392088/ref=sr_1_1?s=books&ie=UTF8&qid=1284180937&sr=1-1#reader_1933392088 He claims several years' worth of use, but I don't see mention of any numbers about mites actually trapped. Randy Oliver *********************************************** 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 Guidelines for posting to BEE-L can be found at: http://honeybeeworld.com/bee-l/guidelines.htm