Common brimstone (<i><a href="https://en.wikipedia.org/wiki/Gonepteryx_rhamni" class="extiw" title="en:Gonepteryx rhamni">Gonepteryx rhamni</a></i>) near the bank of Lake Gradišče, Slovenia.
<a href="//commons.wikimedia.org/wiki/User:Yerpo" title="User:Yerpo">Yerpo</a>
<span class="int-own-work" lang="en">Own work</span>