1. Department of Animal and Plant Sciences; University of Sheffield; Sheffield United Kingdom
2. School of Biological Sciences; University of Reading; Reading United Kingdom
3. RSPB Centre for Conservation Science, The David Attenborough Building; Cambridge United Kingdom
4. RSPB Centre for Conservation Science, The Lodge; Sandy Bedfordshire United Kingdom
5. Conservation Science Group, Department of Zoology; University of Cambridge; Cambridge United Kingdom
6. Department of Genetics Evolution and Environment, Centre for Biodiversity & Environment Research; University College London; London United Kingdom
7. Butterfly Conservation, East Lulworth; Wareham United Kingdom
8. Department of Community Ecology; Helmholtz Centre for Environmental Research - UFZ; Halle Germany
9. Natural Environment Centre; Finnish Environment Institute; Helsinki Finland
10. NERC Centre for Ecology & Hydrology, Crowmarsh Gifford; Wallingford United Kingdom
11. Museu de Ciències Naturals de Granollers; Granollers Spain
12. CREAF; Cerdanyola del Vallès Spain
13. Dutch Butterfly Conservation; Wageningen The Netherlands