1. Department of Animal Ecology and Physiology Radboud University Nijmegen The Netherlands
2. EIS Kenniscentrum Insecten Leiden The Netherlands
3. German Centre for Integrative Biodiversity Research (iDiv) Leipzig Germany
4. Stichting Willem Beijerink Biologisch Station Loon The Netherlands
5. Natuurmuseum Brabant, Tilburg/De Kaaistoep The Netherlands
6. Beatrixstraat 1 Goirle/De Kaaistoep The Netherlands
7. Dutch Butterfly Conservation Wageningen The Netherlands
8. Natuurmonumenten, ‘s‐Graveland The Netherlands