1. Zoological Museum, Biodiversity Unit; University of Turku; Turku Finland
2. Department of Biology; University of York; York UK
3. Department of Entomology; Royal Belgian Institute of Natural Sciences (RBINS); Brussels Belgium
4. Research Group Terrestrial Ecology (TEREC); University of Ghent (UGent); Ghent Belgium
5. Research Group Species Diversity (SPECDIV); Research Institute for Nature and Forest (INBO); Brussels Belgium
6. Departamento de Biodiversidad y Biología Evolutiva; Museo Nacional de Ciencias Naturales (CSIC); Madrid Spain
7. Department of Life Sciences; the Natural History Museum; London UK
8. Department of Biology; University of Eastern Finland; Joensuu Finland
9. Department of Biology; University of Turku; Turku Finland