1. Royal Museum for Central Africa; Leuvensesteenweg 13 B-3080 Tervuren Belgium
2. CIRAD; UMR PVBMT; F-97410 Saint-Pierre La Réunion France
3. Department of Invertebrates and JEMU; Royal Belgian Institute of Natural Sciences; Vautierstraat 29 B-1000 Brussels Belgium
4. Department of Biology; University of Antwerp; Groenenborgerlaan 171 B-2020 Antwerp Belgium