You can find recent information and literature about bees (Apidae, Hymenoptera) at www.bembix-newsletter.de As in Syrphidae, the literature about this topic is endless. Best regards, Christian Dr. Christian Schmid-Egger Flemingstr. 10 10557 Berlin – Germany phone: +49-30-3974266-8 (Fax -9) Email: c.schmid-egger@t-online.de