BEST MANAGEMENT PRACTICES FOR MAINTAINING EUROPEAN HONEY BEE COLONIES excerpts: Recommend re-queening with European stock every six months using marked or clipped queens or produce a bill of sale from a EHB Queen Producer. Immediately re-queen with a European Queen if previously installed clipped or marked queen is found missing. More docs from the Florida Bureau of Plant & Apiary Inspection can be found at: http://www.doacs.state.fl.us/pi/plantinsp/apiary/apiary.html -- Visit www.honeybeeworld.com/bee-l for rules, FAQ and other info ---