Boloria euphrosyne - Pearl-bordered Fritillary - Zilvervlek - Silberfleck-Perlmutterfalter
The ground colour of the upperside is orange with black streaks and spots inclluding a well-marked post-discal arc of spots on each wing. The hindwing has a dark basal patch of variable extent. The underside of the forewing is pale orange with heavy black spotting and a yellowish tip. The underside of the hindwing is orange and yellow with seven silver spots (pearls) on the outer edge. The inner edges of the pearls are outlined with deep orange or brown. There is a large silver spot right in the middle of the wing and a smaller one close to the base of the wing. The flight is from April to Autust in one or two broods. The larval foodplants are mainly violets, especially Common Dog-violet and Marsh Violet. The Pearl-bordered Fritillary is an endangered species in Europe.