Interesting study. For those who want to read it, http://ento.psu.edu/directory/duv2/vanEngelsdorp_et_al_flash_formic_2008.pdf *********************************************** 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