>In mid-summer, the main symptom is that the colonies are unusually slow to grow, may be poor at storing honey, may even go off feed (which in some cases may be due to Nosema ceranae). > I suspect these hives have infected queens. If you treat with formic the symptoms are well supressed, this may not "fix" an infected queen. Early queens seem more likly to evade ccd Does Formic kills Nosema ceranae? --- Juanse Barros J. APIZUR S.A. Carrera 695 Gorbea - CHILE +56-45-271693 08-3613310 http://apiaraucania.blogspot.com/ [log in to unmask] **************************************************** * General Information About BEE-L is available at: * * http://www.honeybeeworld.com/bee-l/default.htm * ****************************************************