>>>> Why the assumption that the queen is being selective? Could it not be that a related queen is in fact less attractive to a closely related drone, taking the edge of his desire to pursue? Sounds like a good subject for a grad student to pursue. Mike in LA *********************************************** 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