This message was originally submitted by [log in to unmask] to the BEE-L list at COMMUNITY.LSOFT.COM. It was edited to remove quotes of previously posted material. I believe part of it is isopentyl acetate in the alarm pheromone. There has been some work done on this. See http://www.apidologie.org/index.php?option=article&access=standard&Itemid=129&url=/articles/apido/pdf/2005/04/M4096.pdf Trevor Weatherhead AUSTRALIA *********************************************** 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