?For those following this topic, here are three good references. http://www.extension.umn.edu/honeybees/components/pdfs/Sampling-plans-for-Varroa-destructor.pdf http://ddr.nal.usda.gov/bitstream/10113/11830/1/IND43624805.pdf http://www.culturaapicola.com.ar/apuntes/revistaselectronicas/apidologie/38-6/05.pdf Feel free to post some more links to free copies of studies, folks. BTW, if the link is long, posting in HTML seems to allow the links to work even if wrapped. *********************************************** 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