"unidentified white material" My first guess was mold.keeper Club. I wouldn't cry CCD. As Juanse asks, what did you do to control Varroa loads last fall? Jeffrey, you have a very good association in your area, The Catskill Mountains Bee Club www.catskillbees.org They might be able to help you. Good luck! Aaron Morris - I think, therefore I bee! *********************************************** 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