Dear all: who can help? I'm looking for the autors and years of the following superfamilia and familia Helicarionoide Trochomorphidae Does anyone know the citation of the first description of the following species: Bertia (Exrhysota) brookei (Adams & Reeve 1848) Bertia cambodjensis (Reeve 1860) I need also informations about literature on this specises (ecology, endangered, habitats etc.) Thanks very much Wolfgang Fischer Institut fuer Pflanzenbau u. Pflanzenzuechtung Universitaet fuer Bodenkultur Gregor Mendel Str. 33 1180 Wien AUSTRIA http://ipp.boku.ac.at/private/wf/index.html E-mail: [log in to unmask] Fax: ++43 1 47654-3342 Tel: ++43 1 47654-3307