There was a presentation at the recent ABF Conference relating to bee longevity and the comparison to feeding sucrose syrup and HFC. Does anyone know if these were bees in confinement or were they allowed to fly? Perhaps the reduced life span had to do with confinement? Even so this may not be good for us northern beeks? Alden Marshall NH -- Visit www.honeybeeworld.com/bee-l for rules, FAQ and other info ---