Stefan F. Wirth<p>The weaver's <a href="https://biologists.social/tags/fritillary" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fritillary</span></a> <a href="https://biologists.social/tags/Boloria" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Boloria</span></a> <a href="https://biologists.social/tags/dia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dia</span></a> (<a href="https://biologists.social/tags/Nymphalidae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nymphalidae</span></a>, <a href="https://biologists.social/tags/Lepidoptera" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Lepidoptera</span></a>), is <a href="https://biologists.social/tags/endangered" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>endangered</span></a> in <a href="https://biologists.social/tags/Germany" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Germany</span></a> ( <a href="https://biologists.social/tags/IUCN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IUCN</span></a> Red List). It's distribution area is Europe up to Mongolia. Pictured here is an individual from North Berlin (2019). The butterfly occurs on <a href="https://biologists.social/tags/drygrassland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>drygrassland</span></a>, the caterpillars develop on violets, blackberries or Prunella vulgaris. The fritillary flies in Germany in two generations per year. <a href="https://biologists.social/tags/biodiversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biodiversity</span></a><br>© <a href="https://biologists.social/tags/StefanFWirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StefanFWirth</span></a> <a href="https://biologists.social/tags/Berlin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Berlin</span></a> 2024</p><p><a href="https://biologists.social/tags/Photos" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Photos</span></a>: <a href="https://biologists.social/tags/Boloriadia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Boloriadia</span></a> in Berlin, 2019/edited 2024, © S. F. Wirth</p>