I wonder if the impression is from the difference between weak and strong hives and any gain is from robbing. You could get the idea that the strong hive was more aggressive, but that is only becasue it is in comparison with a weak hive. Build up the weak hive and they would then be equal. Bill Truesdell Bath, Maine *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html Guidelines for posting to BEE-L can be found at: http://honeybeeworld.com/bee-l/guidelines.htm