1. Ambros HÄNGGI, Angelo BOLZERN, Naturhistorisches Museum Basel, Augustinergasse 2, CH-4001 Basel, Switzerland; E-mails: , angelo.bolzern@arachnodet.com
2. Ian BOBBITT, José D. GILGADO, Section of Conservation Biology, University of Basel, St. Johanns-Vorstadt 10, CH-4056 Basel, Switzerland; E -mails: , josedomingo.gilgadohormaechea@unibas.ch
3. Yvonne KRANZ-BALTENSPERGER, Naturhistorisches Museum Bern, Bernastrasse 15, CH-3005 Bern, Switzerland; E -mail: