A female of Marsh Fritillary (<i><a href="//commons.wikimedia.org/wiki/Euphydryas_aurinia" title="Euphydryas aurinia">Euphydryas aurinia</a></i>) feeding on <i><a href="//commons.wikimedia.org/wiki/Vincetoxicum_hirundinaria" title="Vincetoxicum hirundinaria">Vincetoxicum hirundinaria</a></i> flowers. Habitat: sparse oak grove. The vicinity of Saratov city, Russia.
<a href="//commons.wikimedia.org/wiki/User:Le.Loup.Gris" title="User:Le.Loup.Gris">Le.Loup.Gris</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>