Different ecological demands shape differences in population structure and behaviour among the two generations of the small pearl-bordered fritillary 1Senckenberg German Entomological Institute, Müncheberg, Germany 2Institute of Earth and Environmental Sciences, Albert-Ludwigs-University Freiburg, Freiburg, Germany 3Institute of Geoecology, Technische Universität Braunschweig, Braunschweig, Germany 4Faculty of Natural and Environmental Sciences, Zittau/Görlitz University of Applied Sciences,...