Stefan F. Wirth<p><a href="https://biologists.social/tags/Histiostomatidae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Histiostomatidae</span></a> <a href="https://biologists.social/tags/mites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mites</span></a> phoretically attach arthropods, having e.g. these <a href="https://biologists.social/tags/apomorphies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>apomorphies</span></a> (newly evolved features): <a href="https://biologists.social/tags/filtermouth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>filtermouth</span></a> in free stages and forward-facing <a href="https://biologists.social/tags/legs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>legs</span></a> 3,4 of <a href="https://biologists.social/tags/deutonymphs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>deutonymphs</span></a>, supporting <a href="https://biologists.social/tags/attaching" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>attaching</span></a>/#detaching <a href="https://biologists.social/tags/host" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>host</span></a>. <a href="https://biologists.social/tags/Images" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Images</span></a> = my current <a href="https://biologists.social/tags/research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>research</span></a> </p><p>© <a href="https://biologists.social/tags/StefanFWirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StefanFWirth</span></a> 2025</p><p>Related papers</p><p>S. F. Wirth 2016<br><a href="https://doi.org/10.21684/0132-8077-2016-24-2-97-111" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.21684/0132-8077-201</span><span class="invisible">6-24-2-97-111</span></a></p><p>S. F. Wirth 2023, pp 102-103<br><a href="https://doi.org/10.4060/cc6728en" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.4060/cc6728en</span><span class="invisible"></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>1) sideview mouth adult H. sp ex tree stump (2022) 2) deutonymph B. <a href="https://biologists.social/tags/sibirica" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sibirica</span></a> (2016) © S. F. W.</p>
Recent searches
No recent searches
Search options
Only available when logged in.
mastodon.ie is one of the many independent Mastodon servers you can use to participate in the fediverse.
Irish Mastodon - run from Ireland, we welcome all who respect the community rules and members.
Administered by:
Server stats:
1.8Kactive users
mastodon.ie: About · Profiles directory · Privacy policy
Mastodon: About · Get the app · Keyboard shortcuts · View source code · v4.3.7
#stefanfwirth
2 posts · 2 participants · 0 posts today
Stefan F. Wirth<p>The <a href="https://biologists.social/tags/woodlouse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>woodlouse</span></a> <a href="https://biologists.social/tags/Oniscus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Oniscus</span></a> <a href="https://biologists.social/tags/asellus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>asellus</span></a> (Oniscidae) is originally distributed in Western <a href="https://biologists.social/tags/Europe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Europe</span></a>, but today one of the most common isopods in <a href="https://biologists.social/tags/CentralEurope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CentralEurope</span></a>, occuring e g. in dead wood or <a href="https://biologists.social/tags/leaflitter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>leaflitter</span></a> and is neozoon in North America. D. T. Bilton (2008), names two morphologically/ecologically different <a href="https://biologists.social/tags/subspecies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>subspecies</span></a>, O. asellus asellus and O. asellus <a href="https://biologists.social/tags/occidentalis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>occidentalis</span></a>. </p><p>© <a href="https://biologists.social/tags/StefanFWirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StefanFWirth</span></a> Bln 2025</p><p>Reference</p><p>D. T. Bilton (2008):<br><a href="http://dx.doi.org/10.1111/j.1096-3642.1994.tb01478.x" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">http://</span><span class="ellipsis">dx.doi.org/10.1111/j.1096-3642</span><span class="invisible">.1994.tb01478.x</span></a></p><p>Photos<br>O. asellus, <a href="https://biologists.social/tags/Berlin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Berlin</span></a> © S. F. Wirth 2020, edit 2025</p>
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>When elements of a <a href="https://biologists.social/tags/foodchain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>foodchain</span></a> are lost, this can have <a href="https://biologists.social/tags/ecologicalimpacts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ecologicalimpacts</span></a> with other species getting more abundant. N. Hammerschlag et al. (2025) report a sharp <a href="https://biologists.social/tags/decline" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>decline</span></a> in the <a href="https://biologists.social/tags/whiteshark" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>whiteshark</span></a> population in <a href="https://biologists.social/tags/FalseBay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FalseBay</span></a>, South Africa, possibly due to attacks by <a href="https://biologists.social/tags/orcas" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>orcas</span></a>. This has implications for Cape fur seals and sevengill sharks. </p><p>© This text <a href="https://biologists.social/tags/StefanFWirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StefanFWirth</span></a> Berlin 2025</p><p>Paper</p><p>N. Hammerschlag et al. (2025):<br><a href="https://doi.org/10.3389/fmars.2025.1530362" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.3389/fmars.2025.153</span><span class="invisible">0362</span></a></p><p>Photo</p><p>White shark by Terry Goss, Cr. Commons <a href="https://creativecommons.org/licenses/by-sa/3.0/deed.en" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">creativecommons.org/licenses/b</span><span class="invisible">y-sa/3.0/deed.en</span></a></p>
Stefan F. Wirth<p><a href="https://biologists.social/tags/Terraristics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Terraristics</span></a> and its <a href="https://biologists.social/tags/pettrade" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pettrade</span></a> can increase people's sense for responsibility and <a href="https://biologists.social/tags/biodiversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biodiversity</span></a>. But even strictly protected species are traded illegally, harming their populations. M. Auliya et al. (2025) point to the <a href="https://biologists.social/tags/illegaltrade" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>illegaltrade</span></a> with <a href="https://biologists.social/tags/Gal%C3%A1pagosiguanas" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Galápagosiguanas</span></a>, e.g. Conolophus subcristatus.</p><p>© This sci blogarticle <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>M. Auliya et al. (2025)<br><a href="https://doi.org/10.1016/j.biocon.2025.111104" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.1016/j.biocon.2025.</span><span class="invisible">111104</span></a>.</p><p>Photo<br>C. subcristatus, by Haplochromis, 2008, Creative Com. 3.0 Unported, 2.5, 2.0, 1.0 Generic licenses</p>
Stefan F. Wirth<p>The <a href="https://biologists.social/tags/broadclub" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>broadclub</span></a> <a href="https://biologists.social/tags/cuttlefish" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cuttlefish</span></a> <a href="https://biologists.social/tags/Ascarosepion" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Ascarosepion</span></a> <a href="https://biologists.social/tags/latimanus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>latimanus</span></a> lives e.g. along the Australian coast. Matteo Santon et al. (2025) studied its striking <a href="https://biologists.social/tags/camouflage" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>camouflage</span></a> <a href="https://biologists.social/tags/hunting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hunting</span></a>, in which it extends two arms to each side, with up to down moving dark stripes, <a href="https://biologists.social/tags/unsettling" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>unsettling</span></a> the <a href="https://biologists.social/tags/prey" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>prey</span></a>. <a href="https://biologists.social/tags/behavior" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>behavior</span></a><br>© This text <a href="https://biologists.social/tags/StefanFWirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StefanFWirth</span></a> Berlin 2025</p><p>References:</p><p>Matteo Santon et al. (2025). DOI: <a href="https://doi.org/10.1126/sciadv.adr3686" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1126/sciadv.adr3686</span><span class="invisible"></span></a></p><p>"New Scientist" YouTube (2025):<br><a href="https://youtu.be/BTNfDMYb5Qg?si=qWZq9i3UL_H8AmqM" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">youtu.be/BTNfDMYb5Qg?si=qWZq9i</span><span class="invisible">3UL_H8AmqM</span></a></p><p>Photo:<br>by Nick Hobgood, 2006, <a href="https://creativecommons.org/licenses/by-sa/3.0/deed.en" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">creativecommons.org/licenses/b</span><span class="invisible">y-sa/3.0/deed.en</span></a></p>
Stefan F. Wirth<p><a href="https://biologists.social/tags/Snails" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Snails</span></a> are primarily marine <a href="https://biologists.social/tags/mollusks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mollusks</span></a>. According to current hypotheses, the <a href="https://biologists.social/tags/sistergroup" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sistergroup</span></a> might be <a href="https://biologists.social/tags/Cephalopoda" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cephalopoda</span></a> plus <a href="https://biologists.social/tags/Scaphopoda" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Scaphopoda</span></a> (Link below) . One <a href="https://biologists.social/tags/Apomorphy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Apomorphy</span></a>, i.e. evolutionary new acquisitions of the stemspecies, is the <a href="https://biologists.social/tags/asymmetrical" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>asymmetrical</span></a> <a href="https://biologists.social/tags/shell" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>shell</span></a> that is wound in one direction, which is due to a <a href="https://biologists.social/tags/torsion" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>torsion</span></a> of the <a href="https://biologists.social/tags/mantle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mantle</span></a> and visceral sac.<br>The species in my <a href="https://biologists.social/tags/photos" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>photos</span></a> is <a href="https://biologists.social/tags/Cornu" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cornu</span></a> <a href="https://biologists.social/tags/aspersum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>aspersum</span></a> from Italy. <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> Berlin 2025</p><p>Reference</p><p>Sumner-Rooney et al. (2015):<br><a href="https://doi.org/10.1111%2Fede.12164" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1111%2Fede.12164</span><span class="invisible"></span></a></p>
Stefan F. Wirth<p>My <a href="https://biologists.social/tags/preLights" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>preLights</span></a> <a href="https://biologists.social/tags/article" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>article</span></a> about a preprint dealing with the role of color <a href="https://biologists.social/tags/polymorphisms" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>polymorphisms</span></a> in woodland <a href="https://biologists.social/tags/salamanders" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>salamanders</span></a> to trigger faster <a href="https://biologists.social/tags/speciation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>speciation</span></a> and phenotypic <a href="https://biologists.social/tags/evolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>evolution</span></a> rates. See also my former post. Photo creative Commons see linked article. <br><a href="https://biologists.social/tags/StefanFWirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StefanFWirth</span></a> Berlin</p><p><a href="https://prelights.biologists.com/highlights/loss-of-a-morph-is-associated-with-asymmetric-character-release-in-a-radiation-of-woodland-salamanders/?share=mastodon" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">prelights.biologists.com/highl</span><span class="invisible">ights/loss-of-a-morph-is-associated-with-asymmetric-character-release-in-a-radiation-of-woodland-salamanders/?share=mastodon</span></a></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>My digital <a href="https://biologists.social/tags/artwork" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>artwork</span></a> from 2020, newly edited in 2025: I used image editing software to stereographically project the image plane onto a <a href="https://biologists.social/tags/spherical" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spherical</span></a> surface. This created a <a href="https://biologists.social/tags/littleplanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>littleplanet</span></a> projection with the impression that this <a href="https://biologists.social/tags/tree" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tree</span></a> is the only one on its <a href="https://biologists.social/tags/tinyworld" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tinyworld</span></a>. With my artwork, I honor the tree itself, not only because it can bind CO2, but because it represents a <a href="https://biologists.social/tags/community" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>community</span></a> of diverse <a href="https://biologists.social/tags/organisms" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>organisms</span></a>, on which I have conducted numerous <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/related" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>related</span></a> research.<br>© <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/warmthloving" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>warmthloving</span></a> <a href="https://biologists.social/tags/paperwasp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paperwasp</span></a> <a href="https://biologists.social/tags/Polistes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Polistes</span></a> <a href="https://biologists.social/tags/dominula" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dominula</span></a> (Polistinae) was originally native to central/ southern Europe and Asia, but is increasingly spreading towards Scandinavia due to <a href="https://biologists.social/tags/globalwarming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>globalwarming</span></a>. In e.g. Australia and <a href="https://biologists.social/tags/NorthAmerica" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NorthAmerica</span></a> it occurs as <a href="https://biologists.social/tags/neozoan" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>neozoan</span></a>. 50 or more nest cells are created by one or several young <a href="https://biologists.social/tags/queens" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>queens</span></a> with the strongest subdueing its competitors. The wasp can be <a href="https://biologists.social/tags/parasitized" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>parasitized</span></a> by <a href="https://biologists.social/tags/Xenos" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Xenos</span></a> <a href="https://biologists.social/tags/vesparum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>vesparum</span></a> (<a href="https://biologists.social/tags/Strepsiptera" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Strepsiptera</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> 2025</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><a href="https://biologists.social/tags/Forsythia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Forsythia</span></a> are <a href="https://biologists.social/tags/ornamental" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ornamental</span></a> <a href="https://biologists.social/tags/shrubs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>shrubs</span></a> in Central <a href="https://biologists.social/tags/Europe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Europe</span></a> that are originally native to <a href="https://biologists.social/tags/Asia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Asia</span></a>. The shrubs planted in <a href="https://biologists.social/tags/parks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>parks</span></a> in Germany are the hybrids Forsythia x <a href="https://biologists.social/tags/intermedia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>intermedia</span></a>. It is a hybridization of the species F. suspensa and F. viridissima. As a result of €globalwarming, the flowering period in Central Europe is shifting further and further forward. The flowers are <a href="https://biologists.social/tags/sterile" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sterile</span></a> and therefore of no interest to <a href="https://biologists.social/tags/pollinating" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pollinating</span></a> insects.<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> 2025, photo 2022</p>
Stefan F. Wirth<p><a href="https://biologists.social/tags/Helix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Helix</span></a> <a href="https://biologists.social/tags/lucorum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lucorum</span></a> (<a href="https://biologists.social/tags/Helicidae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Helicidae</span></a>) is a land <a href="https://biologists.social/tags/snail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>snail</span></a> <a href="https://biologists.social/tags/species" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>species</span></a> with a noticeably large shell that is originally distributed in Asia Minor and the Black Sea region. Like Cornu aspersum, the species is popular as a <a href="https://biologists.social/tags/delicacy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>delicacy</span></a> in Europe, but is rarely bred and is instead taken from the field. Author I. Ekin (2023) deals with the <a href="https://biologists.social/tags/reproductiveprocesses" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>reproductiveprocesses</span></a> of H. lucorum and studied them in the field for several years. <a href="https://biologists.social/tags/biodiversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biodiversity</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 2025 </p><p>Ekin, I. (2023): <a href="https://doi.org/10.1080/13235818.2023.2201904" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.1080/13235818.2023.</span><span class="invisible">2201904</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>Overview of the topic of <a href="https://biologists.social/tags/muscleattachment" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>muscleattachment</span></a> and origin points and <a href="https://biologists.social/tags/muscle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>muscle</span></a> <a href="https://biologists.social/tags/morphology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>morphology</span></a> in <a href="https://biologists.social/tags/Astigmata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astigmata</span></a> <a href="https://biologists.social/tags/mites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mites</span></a> (<a href="https://biologists.social/tags/Acariformes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Acariformes</span></a>). Figs. 1-3 show a view from the <a href="https://biologists.social/tags/proterosoma" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>proterosoma</span></a> towards the <a href="https://biologists.social/tags/gnathosoma" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gnathosoma</span></a> of a mite of the <a href="https://biologists.social/tags/Acaridae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Acaridae</span></a>. Fig. 4 shows a female of a <a href="https://biologists.social/tags/Histiostomatidae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Histiostomatidae</span></a> mite in the area of #legs 1 and 2 with the associated muscles and muscle attachment points. The already older preparations were critically - point dried before <a href="https://biologists.social/tags/SEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SEM</span></a> observations. <a href="https://biologists.social/tags/acarology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>acarology</span></a> <a href="https://biologists.social/tags/biology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biology</span></a><br>© <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/jumpingspider" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jumpingspider</span></a> <a href="https://biologists.social/tags/Pseudeuophrys" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pseudeuophrys</span></a> <a href="https://biologists.social/tags/lanigera" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lanigera</span></a> (<a href="https://biologists.social/tags/Salticidae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Salticidae</span></a>, <a href="https://biologists.social/tags/Araneae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Araneae</span></a>) is a <a href="https://biologists.social/tags/species" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>species</span></a> that, according to Heiko Bellmann: (Der Kosmos Spinnenführer.2016), originally was <a href="https://biologists.social/tags/native" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>native</span></a> to <a href="https://biologists.social/tags/southwestEurope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>southwestEurope</span></a>, but has <a href="https://biologists.social/tags/spread" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spread</span></a> in <a href="https://biologists.social/tags/CentralEurope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CentralEurope</span></a> since the 1950s, where it lives in the area of human <a href="https://biologists.social/tags/buildings" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>buildings</span></a>. According to L. J. Ramseyer & R. L. Crawford (2017) it occurs in <a href="https://biologists.social/tags/NorthAmerica" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NorthAmerica</span></a> as a <a href="https://biologists.social/tags/neozoon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>neozoon</span></a>.</p><p> © <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> 2025</p><p> Reference<br> L. J. Ramseyer & R. L. Crawford (2017): <a href="https://doi.org/10.3956/2017-93.4.226" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.3956/2017-93.4.226</span><span class="invisible"></span></a></p>
Stefan F. Wirth<p>A big <a href="https://biologists.social/tags/city" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>city</span></a> like <a href="https://biologists.social/tags/Berlin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Berlin</span></a> is a priori not necessarily well suited to accommodate a large <a href="https://biologists.social/tags/diversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>diversity</span></a> of <a href="https://biologists.social/tags/species" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>species</span></a>; <a href="https://biologists.social/tags/streets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>streets</span></a> can be barriers to the spread of animals. The buildings are hostile to many species. And yet <a href="https://biologists.social/tags/urban" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>urban</span></a> <a href="https://biologists.social/tags/biodiversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biodiversity</span></a> in Berlin is high, thanks to extensive fallow land, thanks to the large urban <a href="https://biologists.social/tags/forestareas" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>forestareas</span></a> of Grunewald and Tegeler Forst and thanks to the dense network of urban <a href="https://biologists.social/tags/parks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>parks</span></a> with species preservation <a href="https://biologists.social/tags/managements" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>managements</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 2025, photo 2020, newly edited</p>
Stefan F. Wirth<p>My <a href="https://biologists.social/tags/digitalpainting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>digitalpainting</span></a> "The Magic Forest" shows <a href="https://biologists.social/tags/fantastic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fantastic</span></a> <a href="https://biologists.social/tags/creatures" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>creatures</span></a> in a mysterious forest of an undetermined future on Earth. <a href="https://biologists.social/tags/People" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>People</span></a> are not visible in my painting, and I am not at all inclined to be pessimistic, but I do criticize the current <a href="https://biologists.social/tags/globaltrend" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>globaltrend</span></a> towards <a href="https://biologists.social/tags/nationalism" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nationalism</span></a> and the rejection of measures against <a href="https://biologists.social/tags/humanmade" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>humanmade</span></a> <a href="https://biologists.social/tags/globalwarming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>globalwarming</span></a>. We need to think more about those who are not yet born today but will be at the zenith of their lives in 2050.</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><a href="https://biologists.social/tags/Cuckoowasps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cuckoowasps</span></a> (<a href="https://biologists.social/tags/Chrysididae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Chrysididae</span></a>) always have a close relationship with other insects, mostly other <a href="https://biologists.social/tags/Hymenoptera" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hymenoptera</span></a>, they can be brood parisites, which kill the host larva but mostly feeding their <a href="https://biologists.social/tags/foodsupply" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>foodsupply</span></a>. They can also be <a href="https://biologists.social/tags/parasitoids" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>parasitoids</span></a> that feed on older larvae or pupae. I previously identified the species shown as <a href="https://biologists.social/tags/Hedychrum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hedychrum</span></a> <a href="https://biologists.social/tags/rutilans" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rutilans</span></a>, but it may be H. <a href="https://biologists.social/tags/gerstaeckeri" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gerstaeckeri</span></a>, the <a href="https://biologists.social/tags/hosts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hosts</span></a> would then be: <a href="https://biologists.social/tags/Cerceris" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cerceris</span></a> rybyensis and C. ruficornis. <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> 2020, new edit & text 2025</p>
ExploreLive feeds
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.
Create accountLoginDrag & drop to upload