Another possibility is, are the bees being bothered? I'm suggesting skunks in the middle of the night. Look around the front of the hive. Has the ground been disturbed? Another possibility is a sudden reduction in honey flow. Kent Stienburg :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and other info --- ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::