1. Faculty of Sciences, Centre for Environmental Sciences, Research Group Zoology: Biodiversity and Toxicology, UHasselt – Hasselt University, Agoralaan Gebouw D, Diepenbeek, 3590, Belgium
2. Department of Biology, Royal Museum for Central Africa, Leuvensesteenweg 13, Tervuren, 3080, Belgium
3. Zoology Unit, Finnish Museum of Natural History, University of Helsinki, Pohjoinen Rautatiekatu 13, Helsinki, 00100, Finland