>If I do leave them on, I really like Randy's idea of securing them to the inner covers. I believe that it was Bob who suggested the rims. I know of other beeks using permanent top rims, including some in Canada, Australia, and some large commercial pollinators in the US. I personally am confused about the whole top entrance question--both summer and winter. Reports are often contradictory. So much appears to depend upon local humidity and temperatures. Randy Oliver *********************************************** 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 Access BEE-L directly at: http://community.lsoft.com/scripts/wa-LSOFTDONATIONS.exe?A0=BEE-L