In a message dated 20/08/2007 13:29:25 GMT Standard Time, [log in to unmask] writes: The fact that all honey bee colonies got varroa in such a short time almost certainly confirms the idea that every colony in the US is within the flight distance of somebody else's bees. Those that aren't would soon get inbred; however I think the point Dave makes is that bees or queens are moved around vast distances in vast numbers. Chris ****************************************************** * Full guidelines for BEE-L posting are at: * * http://www.honeybeeworld.com/bee-l/guidelines.htm * ******************************************************