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#stefanfwirth

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Stefan F. Wirth<p>Beetle <a href="https://biologists.social/tags/Clytra" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Clytra</span></a> <a href="https://biologists.social/tags/laeviuscula" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>laeviuscula</span></a> (<a href="https://biologists.social/tags/Chrysomelidae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Chrysomelidae</span></a>) is <a href="https://biologists.social/tags/myrmecophilous" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>myrmecophilous</span></a>. Its juveniles carry cases of feces for <a href="https://biologists.social/tags/antprotection" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>antprotection</span></a>. F. A. Agrain et al. (2015) state that myrmecophily in <a href="https://biologists.social/tags/leafbeetles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>leafbeetles</span></a> only appears in <a href="https://biologists.social/tags/Clytrini" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Clytrini</span></a> and <a href="https://biologists.social/tags/Cryptocephalini" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cryptocephalini</span></a> within <a href="https://biologists.social/tags/Cryptocephalinae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cryptocephalinae</span></a>. Numbers of origins of the strategy are unknown, but there were preadaptations as e.g. feces cases.</p><p>© This sci-com. text <a href="https://biologists.social/tags/StefanFWirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StefanFWirth</span></a> 2025</p><p>Reference </p><p>F. A. Agrain et al. (2015):<br><a href="https://doi.org/10.3897/zookeys.547.6098" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.3897/zookeys.547.60</span><span class="invisible">98</span></a></p><p><a href="https://biologists.social/tags/Photos" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Photos</span></a><br>© Me, Bln, new edits 2025</p>
Stefan F. Wirth<p>My <a href="https://biologists.social/tags/SEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SEM</span></a> shows a female of the <a href="https://biologists.social/tags/mite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mite</span></a> <a href="https://biologists.social/tags/Histiostoma" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Histiostoma</span></a> sp. (H. feroniarum-complex, special fixation) on <a href="https://biologists.social/tags/rottenlemon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rottenlemon</span></a> from Italy, <a href="https://biologists.social/tags/feeding" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>feeding</span></a> a mixture of <a href="https://biologists.social/tags/fungi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fungi</span></a> and <a href="https://biologists.social/tags/bacteria" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bacteria</span></a>. It is seen from above and displays the symmetrically <a href="https://biologists.social/tags/fenestrated" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fenestrated</span></a> <a href="https://biologists.social/tags/proterosomashield" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>proterosomashield</span></a> that i.a. stabilizes muscle origins and still needs research. I published research information on that mite as poster <a href="https://biologists.social/tags/publication" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>publication</span></a>.</p><p>© <a href="https://biologists.social/tags/StefanFWirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StefanFWirth</span></a> Berlin (2006-) 2025 </p><p>Poster S. F. Wirth, FAO, Global Soil Partners. (2024)<br><a href="https://www.fao.org/global-soil-partnership/gsid24/posters/en/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">fao.org/global-soil-partnershi</span><span class="invisible">p/gsid24/posters/en/</span></a></p>
Stefan F. Wirth<p><a href="https://biologists.social/tags/Halictus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Halictus</span></a> <a href="https://biologists.social/tags/subauratus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>subauratus</span></a> (<a href="https://biologists.social/tags/Halictidae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Halictidae</span></a>) is a wild <a href="https://biologists.social/tags/bee" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bee</span></a> widespread in the Palearctic and is still common enough to not require a protection status. The <a href="https://biologists.social/tags/species" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>species</span></a> is <a href="https://biologists.social/tags/eusocial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>eusocial</span></a> with only a few <a href="https://biologists.social/tags/auxiliaryfemales" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>auxiliaryfemales</span></a> and builds underground <a href="https://biologists.social/tags/nests" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nests</span></a> in sandy soil. It is not picky about the plants, where it collects pollen (<a href="https://biologists.social/tags/polylectic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>polylectic</span></a>). The conspicuous <a href="https://biologists.social/tags/brush" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>brush</span></a> on the <a href="https://biologists.social/tags/hindlegs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hindlegs</span></a> is used to collect <a href="https://biologists.social/tags/pollen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pollen</span></a>. Photos: on a dry meadow in <a href="https://biologists.social/tags/Berlin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Berlin</span></a> in 2020, new edit 2025. <a href="https://biologists.social/tags/biodiversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biodiversity</span></a> <a href="https://biologists.social/tags/evolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>evolution</span></a> <a href="https://biologists.social/tags/macro" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>macro</span></a> <br>© <a href="https://biologists.social/tags/StefanFWirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StefanFWirth</span></a></p>
Stefan F. Wirth<p>Although February is the <a href="https://biologists.social/tags/meteorologically" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>meteorologically</span></a> last month of winter, there is currently a <a href="https://biologists.social/tags/coldfront" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>coldfront</span></a> over <a href="https://biologists.social/tags/Germany" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Germany</span></a> with unusually much <a href="https://biologists.social/tags/snow" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>snow</span></a> in <a href="https://biologists.social/tags/Berlin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Berlin</span></a> on the night to 02/14/2025. The further outlook also points to an unusually cold February due to polar air from the east. But despite this exception the trend towards warmer Feb. temperatures due to <a href="https://biologists.social/tags/globalwarming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>globalwarming</span></a> has been particularly noticeable since 2020 at the latest and reached a peak with the <a href="https://biologists.social/tags/warmthrecord" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>warmthrecord</span></a> in 2024. </p><p>© <a href="https://biologists.social/tags/StefanFWirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StefanFWirth</span></a> Berlin 2025</p>
Stefan F. Wirth<p>The <a href="https://biologists.social/tags/22spotladybird" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>22spotladybird</span></a> <a href="https://biologists.social/tags/Psyllobora" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Psyllobora</span></a> <a href="https://biologists.social/tags/vigintiduopunctata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>vigintiduopunctata</span></a> (<a href="https://biologists.social/tags/Coccinellidae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Coccinellidae</span></a>) is distributed in Europe, Asia and North Africa. The animals live on the edges of forests, meadows and often on oak trees. Because these are often psrasitized by powdery <a href="https://biologists.social/tags/mildew" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mildew</span></a> (<a href="https://biologists.social/tags/Erysiphaceae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Erysiphaceae</span></a>), which is convenient for the <a href="https://biologists.social/tags/ladybird" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ladybird</span></a> as it feeds on mildew. When threatened, the adult beetles play dead (<a href="https://biologists.social/tags/thanatosis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>thanatosis</span></a>). <a href="https://biologists.social/tags/biodiversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biodiversity</span></a><br> <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>Photo: North Berlin 2020, newly edited 2024, © S. F. Wirth</p>
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>
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