We've looked at tracheal mites when they first hit the NW. We found queens with so many mites, it was impossible to count them, and the trachea often just fell apart when we tried to dissect. Yes, queens can certainly carry TM. Jerry *********************************************** 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