OK, I'll bite... So you tested UNWRAPPED "styrofoam" hives against wrapped wooden hives? And you did not add any sort of upper entrance to the styrofoam hives? Isn't this sort of like having a "who can dive the deepest" contest where one contestant is given a wetsuit and a tank of air? ...or did the maker/vendor/dealer claim that styrofoam hives "needed no winter wrapping", not knowing that someone would take them at their word chosing a test site not far from the location where the movie "Ice Station Zebra" http://cinerama.topcities.com/iszticketflyer.htm http://cinerama.topcities.com/iszphoto4.jpg was filmed? jim (Who notes that Bee-L is a mechanism that enables beekeepers with a life to benefit from the labors of those who don't.) :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and other info --- ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::