1. Centre for Ecology and Conservation University of Exeter Cornwall Campus Penryn TR10 9EZ UK
2. Environment and Sustainability Institute University of Exeter Cornwall Campus Penryn TR10 9EZ UK
3. Department of Biology Wentworth Way University of York York YO10 5DD UK
4. Department of Evolution, Ecology and Behaviour University of Liverpool Biosciences Building Crown Street Liverpool L69 7ZB UK
5. Department of Animal Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Post Office Box 50 6700AB Wageningen The Netherlands
6. Sussex Wildlife Trust Woods Mill West Sussex Henfield BN5 9SD UK
7. NERC Centre for Ecology & Hydrology Maclean Building, Benson Lane, Crowmarsh Gifford Wallingford OX10 8BB UK
8. Butterfly Conservation Manor Yard East Lulworth Wareham BH20 5QP UK