1. Faculty of Environmental Sciences and Natural Resource Management Norwegian University of Life Sciences Ås Norway
2. SLU Swedish Species Information Centre Swedish University of Agricultural Sciences Uppsala Sweden
3. Field Station Fabrikschleichach Department of Animal Ecology and Tropical Biology Biocenter University of Würzburg Rauhenebrach Germany
4. Bavarian Forest National Park Grafenau Germany
5. Organismal and Evolutionary Biology Research Programme University of Helsinki Helsinki Finland
6. Department of Biological and Environmental Science University of Jyväskylä Jyväskylä Finland
7. Natural Resources Institute Finland (Luke) Helsinki Finland
8. Natural History Museum University of Oslo Oslo Norway
9. Institute of Biology and Environmental Science Vegetation Science & Nature Conservation University of Oldenburg Oldenburg Germany
10. Forest Entomology Swiss Federal Research Institute WSL Birmensdorf Switzerland
11. Department of Environmental Systems Science Institute of Terrestrial Ecosystems ETH Zurich Zurich Switzerland
12. Silviculture and Forest Ecology of the Temperate Zones University of Göttingen Göttingen Germany
13. Department of Ecology and Ecosystem management Technische Universität München Freising‐Weihenstephan Germany