I meant to include the reference source: Vitellogenin in Honey Bee Behavior and Lifespan Gro V. Amdam , Erin Fennern , and Heli Havukainen in: Honeybee Neurobiology and Behavior: A Tribute to Randolf Menzel C.G. Galizia et al. (eds.) © Springer Science+Business Media B.V. 2012 Peter Borst [log in to unmask] peterloringborst.com *********************************************** 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