[1] Leibniz Inst Anal Biodivers Change, Museum Koenig Bonn, Adenauerallee 127, D-53113 Bonn, Germany
[2] Biodivers Inventory Conservat BINCO NPO, Walmersumstr 44, Glabbeek 3380, Belgium
[3] Royal Belgian Inst Nat Sci RBINS, Aquat & Terr Ecol ATECO, Vautierstr 29, B-1000 Brussels, Belgium
[4] WWF DRC, 14 Ave Sergent Moke, Kinshasa, DEM REP CONGO