> Abnormal colony decline at the end of the season... In a word, "Imidacloprid". "Not Wanted" in multiple countries. Often known to use one or more of the following aliases: Admire Condifor Gaucho Impower Premier Premise Provado Marathon Merit (Also known by a wide variety of French curses untranslatable into English and unfit for a mixed crowd) Armed and dangerous. Approach with extreme caution. Starring soon in a major class-action lawsuit at a US courthouse at a yet-to-be disclosed location in the Midwest. But you already KNOW this, since the URL you offered: http://www.fundp.ac.be/~jvandyck/divbee/imida/beedecline.html ...clearly has "imida" in the URL. So why are you asking us? Are you trying to make sure that nothing else could cause the symptoms you describe? jim :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and other info --- ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::