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sumie-dh

@sumie-dh.bsky.social
767 followers 174 following 228 posts

Work, worms, weather, repeat. Planarian distribution and taxonomy. Keeper of microscope herd. IT rat at day, lab rat at night. brmlab.s0c4.net/bioosm

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sumie-dh @sumie-dh.bsky.social · 10/10/2026
I cleaned @inaturalist.bsky.social Richardsonianus room today. Lot of mess happened there. During less-mess purge I found gem. It can be a new leech species. www.inaturalist.org/observations...
inaturalist.org
Family Hirudinidae
Hirudinidae from Mont-Dore Sud, Le Mont-Dore, Nouvelle-Calédonie on November 20, 2021 at 07:09 PM by Frédéric Desmoulins
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sumie-dh @sumie-dh.bsky.social · 07/10/2026
Member of Spionidae family, possibly Dipolydora genus from our summer shenanigans. Intertidal zone, Comacchio, Italy #WormWednesday #invertebrate
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sumie-dh @sumie-dh.bsky.social · 06/10/2026
Weekly composition photo award goes to: www.inaturalist.org/observations...
inaturalist.org
Chtonobdella bilineata
Chtonobdella bilineata from Martinsville NSW 2265, Australia on October 6, 2026 at 01:34 PM by Steven Gill
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sumie-dh @sumie-dh.bsky.social · 30/09/2026
This iteration of #WormWednesday is meta-worming day. At weekend I released lil BioRSS fork with some extra features at my server. Because my server is tiny I reduced intake for worm taxa only + some worm friends. Grab latest papers for your RSS reader or email client on bioosm.brmlab.cz/wormrss
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sumie-dh @sumie-dh.bsky.social · 09/09/2026
Echoes of ISFB, we stopped for planarians during traveling back to our base. Unusually light population of Dugesia gonocephala, Bleicheroder Berge, Germany. #invertebrates #WormWednesday 🧪 🌿
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sumie-dh @sumie-dh.bsky.social · 05/09/2026
Many flatworm folks [who attended XVI ISFB conference and satellite taxonomy symposium] were surprised that there is Discord place focused on worm taxonomy. Yes we have one, here it is disboard.org/server/14331... . Join for daily wormy experience, any worm enthusiast is welcomed ;]
disboard.org
Worm World | DISBOARD: Discord Server List
Wormy place for all worm taxonomists and worm fans. Doesn't matter what vermiform critter is in your radar, every worm lover is welcomed. We can also identify your findings if you have nice photo.
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sumie-dh @sumie-dh.bsky.social · 31/08/2026
In this week there is place in Germany where flatworm taxonomists are going to display some gregarious behavior. Me & the boys bringing these. What they are? Well, catch me at poster session and you will find out ;] See you at Gottingen!
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Reposted by sumie-dh
Chris Mah @echinoblog.bsky.social · 29/08/2026
WHOA. A CLEAR flatworm? about 5 inches long.. about 2025 m North Tutuila Mound, American Samoa #Okeanos #wormwednesday
translucent white flatworm with central threads throughout body.. looks like a white soufle
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sumie-dh @sumie-dh.bsky.social · 29/08/2026
I'm doing freshwater and sometimes terrestrial triclads but I can sometimes deal also with marine polyclads. But Acotylea are pile of polyclad mess. Mostly no chance to species or genus level from habitus. Slides needed ;] Histology or it didn't happened. Luckily, specimen was sampled.
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sumie-dh @sumie-dh.bsky.social · 29/08/2026
Nuchal tentacles present + extra ultimate pancake shape. Leading most likely to Stylochoidea superfamily.
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sumie-dh @sumie-dh.bsky.social · 17/08/2026
PS: they looking fancy in Quik-Diff or Giemsa ;] Methylene blue doing good job as well. There are Urceolaria mitra and Trichodina from local collection. We meeting these quite often.
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sumie-dh @sumie-dh.bsky.social · 17/08/2026
Vdacny working on them in Slovakia 10.1016/j.ympev.2021.107174 . It's either Urceolaria mitra [species complex] or one of host specific Trichodina. They constantly bothering our cultures too. Gonna try DMSO. Current methods not containing DMSO and leaving some ciliates so they can regroup again.
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sumie-dh @sumie-dh.bsky.social · 07/04/2026
Nature singing trololol song to me once again. #parasitology #pathology This is my currently finished staining session. I will show you later ;]
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sumie-dh @sumie-dh.bsky.social · 10/03/2026
Early #WormWednesday is Glossiphonia which doing best job at being just perfect leech on this photo www.inaturalist.org/observations...
inaturalist.org
Genus Glossiphonia
Glossiphonia from Onex, Ελβετία on July 9, 2021 at 02:35 PM by Eleftherios Katsillis
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sumie-dh @sumie-dh.bsky.social · 04/03/2026
If you have Discord you can make worm rain there, we have taxonomists for few groups so it will be taken into ID queue. disboard.org/server/14331...
disboard.org
Worm World | DISBOARD: Discord Server List
Wormy place for all worm taxonomists and worm fans. Doesn't matter what vermiform critter is in your radar, every worm lover is welcomed. We can also identify your findings if you have nice photo.
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sumie-dh @sumie-dh.bsky.social · 04/03/2026
Yeah, there is plenty of undescribed species as well. We know them by sight but we need specimens for finishing of the job.
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sumie-dh @sumie-dh.bsky.social · 04/03/2026
This is Umbotectum capitofalcatum, not Rhynchodeminae subfamily ;] Welcome in our planarian mess ;]
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sumie-dh @sumie-dh.bsky.social · 04/03/2026
Don't. They may be bitter [freshwater planarians are]. And some bipallid have also mild amount of toxins. It's forbidden bacon.
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sumie-dh @sumie-dh.bsky.social · 04/03/2026
Thanks for bringing it into visibility. Because it's not Umbotectum capitofalcatum. It's some other species, I need dig through keys a little.
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sumie-dh @sumie-dh.bsky.social · 04/03/2026
Coloration like that is reason why I call Malaysian region 'land of gummy worms' ;]
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sumie-dh @sumie-dh.bsky.social · 04/03/2026
Isn't it nemertean juvenile? There is thin structure which may be a proboscis and some opening is visible at anterior part. Not sure if it isn't prorhynchid juvenile [this group have similar structures as nemerteans] at same time. Stop at disboard.org/server/14331... , maybe somebody knows.
disboard.org
Worm World | DISBOARD: Discord Server List
Wormy place for all worm taxonomists and worm fans. Doesn't matter what vermiform critter is in your radar, every worm lover is welcomed. We can also identify your findings if you have nice photo.
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sumie-dh @sumie-dh.bsky.social · 03/03/2026
We will be there, catch us if you can. We will most likely bring some planarian things too. XVI International Symposium on Flatworm Biology events.gwdg.de/event/1168/o...
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sumie-dh @sumie-dh.bsky.social · 28/02/2026
Hard to say anything from those pictures. How this happened is unknown, no description. Australia have terrestrial leeches from Haemadipsidae family. They are fine climbers. Check 10.4103/IJO.IJO_1453_24 tho, there are freshwater species which doesn't affecting mammals but were found in human eyes.
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sumie-dh @sumie-dh.bsky.social · 10/02/2026
Planarian phoresy in practice ;]
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sumie-dh @sumie-dh.bsky.social · 09/02/2026
Possible gregarines in Helobdella stagnalis whole mount. Next year I will pay more attention to this kind of parasites. I'm looking for them in planarians but no result so far. May be a sampling bias. They should be present in dendrocoelids which aren't our target. 🌿 #invertebrate 🧪 #parasitology
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Reposted by sumie-dh
Jean-Lou Justine @jean-lou-justine.bsky.social · 23/01/2026
This is not a land flatworm... it's a land nemertean! In this new paper, we describe its complex mitogenome, report the presence of NUMTs, and even more! 🧪 doi.org/10.1038/s415...
Molecular characterisation of the invasive terrestrial nemertean Geonemertes pelaensis: long and complex mitogenome and presence of NUMTs
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Reposted by sumie-dh
Alejandro Manzano Marín @amanzanom.bsky.social · 13/01/2026
After a long(ish) while, the reference genome for the #leech #Hirudo verbana is officially out! doi.org/10.12688/ope... w/@ergabiodiv.bsky.social, @biogeneurope.bsky.social, @leibnizlib.bsky.social, & @sangerinstitute.bsky.social @dome-vienna.bsky.social, @cemess.bsky.social, @univie.ac.at 1/3..
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sumie-dh @sumie-dh.bsky.social · 22/12/2025
Early #WormWednesday is this rare pokemon, Phagocata bursaperforata from Georgia, USA www.inaturalist.org/observations...
inaturalist.org
Phagocata bursaperforata
Phagocata bursaperforata from DeKalb County, US-GA, US on December 18, 2025 at 02:08 PM by junior_bartram
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sumie-dh @sumie-dh.bsky.social · 20/12/2025
Deep sea polyclads spotted again by @schmidtocean.bsky.social in the Argentine Basin. Specimen have two clearly visible nuchal tentacles, falling under Stylochoidea then. Available at www.youtube.com/watch?v=NqnW...
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Carrie Adler @carrieadler.bsky.social · 12/12/2025
To all current/future planarian enthusiasts: The next installment of the North American Planarian Meeting will occur in June 2026 in Ithaca, New York. We welcome anyone who wants to participate, organized by me and Chris Petersen (Northwestern). Please share far and wide. napm2026.weebly.com
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sumie-dh @sumie-dh.bsky.social · 12/12/2025
Alright, we decided for broader view of worm world in our little Discord server. Various folks working on various different kinds of worms so it was natural change. Planarians included. 🌿 #invertebrate #taxonomy #discord disboard.org/server/14331...
disboard.org
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sumie-dh @sumie-dh.bsky.social · 02/12/2025
Early #WormWednesday, because I want. This looks like one of rare Tasmania dugesiids, most likely Spathula genus. We don't see nice photos of these often. www.inaturalist.org/observations...
inaturalist.org
Genus Spathula
Spathula from Mount Field TAS 7140, Australia on November 25, 2025 at 02:39 PM by Justin Chan
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sumie-dh @sumie-dh.bsky.social · 30/11/2025
Leech lovers have place to stay on Discord now. If you like everything what sucks stops in. It's small but nice place with taxonomic focus. My leech shenanigans are posted here as well. discord.gg/q75c89AuBD
discord.gg
Join the Leech Lovers Discord Server!
Leech scientists, taxonomists, naturalists, and lovers alike | 7 members
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sumie-dh @sumie-dh.bsky.social · 23/10/2025
Strigeid metacercaria shenanigans continuing. Cysts were isolated from Erpobdella octoculata leeches. Polarized for visualization of double-layered cyst wall. One cercaria got out of the cyst, received mugshot as well. Barcoding primers are on the way. #parasitology #FlatwormFriday #invertebrate
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Jean-Lou Justine @jean-lou-justine.bsky.social · 17/10/2025
Now published and open-access: 🧪 doi.org/10.1051/para...
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sumie-dh @sumie-dh.bsky.social · 17/10/2025
Alright, these wasn't on my bingo list but I'm not so surprised. Nosema is known case in leeches. I wonder if those can do xenoma as well when case is developed to the extreme.
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sumie-dh @sumie-dh.bsky.social · 03/10/2025
In warm regions I have my own bet, Platydemus manokwari had certain not very picky nematode species . I will wait in this case because depicted flatworm is invasive in colder European regions and not in endemic region of my nematode tip
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sumie-dh @sumie-dh.bsky.social · 27/09/2025
If you wonder about those white dots here is close up. Those are ciliates from Urceolaria mitra complex. No Trichodina denticles in adhesive disc are present, there is denticulate ring instead of denticles. Diff-Quick, 40x objective.
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sumie-dh @sumie-dh.bsky.social · 27/09/2025
I'm not dead. Just very busy. Not much of time for internet at those days. Some adult Dugesia gonocephala from recent Slovakia batch. #FlatwormFriday
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sumie-dh @sumie-dh.bsky.social · 10/08/2025
Huge polyclad pancake sampled today at Mar Del Plata Canyon, Argentina by @schmidtocean.bsky.social. I didn't spotted any significant head features like any type of tentacles which are present in various polyclad group. Available at www.youtube.com/watch?v=ttYm...
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sumie-dh @sumie-dh.bsky.social · 02/08/2025
Another bunch of deep sea polyclads from @schmidtocean.bsky.social Argentina dive 819. Longer ones are somebody from Boninioidea? Really not sure. Anyway, that canyon sediments and rocks are covered by them. Available at www.youtube.com/watch?v=kAxq... and www.youtube.com/watch?v=FJNJ...
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sumie-dh @sumie-dh.bsky.social · 30/07/2025
Six of those Stylochoidea-like polyclads sampled today by @schmidtocean.bsky.social at Mar Del Plata Canyon, Argentina, cca 2500 m. Fine large #polyclads, enough to fill few double wide slides. Good luck with future description of those. Available at www.youtube.com/watch?v=xg9N... #WormWednesday
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sumie-dh @sumie-dh.bsky.social · 10/07/2025
Pleasure to identify with this quality of photos. Last DIC picture in this observation is beautiful. #WormWednesday 🌿 #invertebrate www.inaturalist.org/observations...
inaturalist.org
Blind Strudelworm (Typhloplana viridata)
Blind Strudelworm from 026 01 Dolný Kubín, Slovakia on April 25, 2025 at 12:15 PM by Fero Bednar
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Reposted by sumie-dh
Elizabeth Beston @elizabethbeston.bsky.social · 06/07/2025
This is so FREAKIN’ COOL! This calanoid copepod has a friend visiting…INSIDE ITS BODY!! There’s a trematode worm, a parasite, taking up pretty much every micron of this poor dude. You can see the worm’s suckers that is used to attach to its host. AWESOME!! 🦑 #plankton
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sumie-dh @sumie-dh.bsky.social · 05/07/2025
Just lovely shot of Dendrocoelopsis americana #planarian #WormWednesday 🌿 #invertebrate www.inaturalist.org/observations...
inaturalist.org
Dendrocoelopsis americana
Dendrocoelopsis americana in May 2025 by Turner Brockman
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sumie-dh @sumie-dh.bsky.social · 22/06/2025
Mothership of Dendrocoelum lacteum found today. We need some for our DNA barcoding shenanigans so I left my den for unexpected fieldwork today. Temperatures were rather hostile but worms are just fine. #WormWednesday 🌿 #invertebrate
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sumie-dh @sumie-dh.bsky.social · 05/06/2025
Theromyzon tessulatum from weekend fieldwork session. This one had one epistylid epibiont, other glossiphonids had none. Weird, this locality is usually quite reliable on epistylid abundance. #WormWednesday 🌿 #invertebrate
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Reposted by sumie-dh
ISYEB @isyeb.mnhn.fr · 22/05/2025
Published in #Check_List, 21(3) "First confirmed records with molecular data of the terrestrial flatworm Bipalium kewense Moseley, 1878 (Tricladida, Geoplanidae) in Madagascar, Egypt..." by Gastineau,R., @jean-lou-justine.bsky.social @isyeb.mnhn.fr et al. #Platyhelminthes 🪱 doi.org/10.15560/21....
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sumie-dh @sumie-dh.bsky.social · 21/05/2025
Alboglossiphonia sp. from latest fieldwork session adding another finding of epistylid epibionts into collection. Case from 2023 is available on bioosm.brmlab.cz/histolka/pro.... Perhaps it's just about looking around. #WormWednesday 🌿 #invertebrate
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sumie-dh @sumie-dh.bsky.social · 14/05/2025
Pair of Dalyellia penicilla whole mounts. One is stained with acetic carmine. #WormWednesday #microscopy
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