http://www1.agric.gov.ab.ca/$Department/deptdocs.nsf/all/crop15187/$FILE/shelley-hoover-bee-research-2015.pdf Interesting info, and take a good look at the info on singles vs doubles.... Not sure why but its an interesting data point. Charles *********************************************** 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