1. Department of Zoology Stockholm University Stockholm Sweden
2. Centre of Excellence in Biological Interactions Research Department of Biological and Environmental Science University of Jyväskylä Jyväskylä Finland
3. Centre for Invasion Biology Department of Conservation Ecology and Entomology Stellenbosch University Stellenbosch South Africa
4. Department of Ecology Swedish University of Agricultural Sciences Uppsala Sweden
5. Department of Agronomy, Food, Natural Resources, Animals and the Environment University of Padova Padova Italy
6. Department of Entomology, Plant Pathology and Nematology University of Idaho Moscow ID
7. Department of Arctic Ecology Norwegian Institute for Nature Research Tromsø Norway
8. Department of Ecosystem Research Leibniz‐Institute of Freshwater Ecology and Inland Fisheries Berlin Germany
9. Kevo Subarctic Research Institute University of Turku Turku Finland
10. Biodiversity Unit University of Turku Turku Finland
11. Norwegian Institute of Bioeconomy Research Ås Norway