Nickerl's Fritillary, Melitaea aurelia, checquered fritillary found in nutrient poor grasslands, calcareous fens and rocky slopes and scrubland. Larval host plants include Plantago, Veronica, Rhinanthus alectorolophus and Valeriana. Wingspan: 28–32 mm .Flight is from May to August. 1998srb7G19_06_21sR.jpg Srbsko, Czech Republic Canon 7D EFS 60 2.8 1/320 f/4.5 iso 400 6/21/2019