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David Bentley @sussextangerine.bsky.social · 22/09/2026

Twist-winged Parasite Flies, Ectophasia crassipennis, were on the last flowering umbellifers by the River Rother, near Rye, this morning. #UKwildlife #Sussexwildlife #insects #flies @dipteristsforum.bsky.social @sussexwildlife.bsky.social

A striking yellow, orange, black, brown and red insect on white/pink flowers.

A striking yellow, orange, black, brown and red insect on white/pink flowers. Its wings are 'twisted'.

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DipteristsForum @dipteristsforum.bsky.social · 23/09/2026

Diary Date - 2027 Dipterist Forum spring identification workshop will be on... Dolichopodidae! This hugely popular annual event will run 12th -14th March with tutors Martin Drake (author of the new RES Dolichopodidae Handbook) and Dave Brice (DF training officer). dipterists.org.uk/events/dipte...

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Dr Jill Whitelock @jillwhitelock.bsky.social · 23/09/2026

Amongst the frenzy of the Ivy bees, a male Stomorhina lunata was just hanging out on a leaf. #WildWebsWednesday

A small fly with red eyes and orange markings on its abdomen, a green leaf.

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Dipterists Society @dipterists.bsky.social · 23/09/2026

🚨REMINDER🚨 We are still looking for speakers for the Dipterists Society meeting at @entsocamerica.bsky.social this November. Please submit your fly talks or share for more visibility!

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Julian Sidney @juliansidney.bsky.social · 15/09/2026

From our #wildspace garden this afternoon on unopened flower head of ivy. Dioxyna bidentis (Ragwort Picture-winged Fly) @dipteristsforum.bsky.social @dipterists.bsky.social Please let me know if my id is wrong.

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Julian Sidney @juliansidney.bsky.social · 18/09/2026

I believe this is a Female Lindneromyia dorsal, a flat-footed fungus fly, seen today in our garden. About 3mm long and hyperactive, running erratic, jerky paths over the surface of leaves. Is this id correct? @dipteristsforum.bsky.social @dipterists.bsky.social

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Julian Sidney @juliansidney.bsky.social · 13/09/2026

Cistogaster globosa (Bishop's-mitre Parasite Fly) Walton-on-the-Naze, my 3rd record locally. It is known from a few localities in Southern England and is a distinctive species unlikely to be overlooked and probably genuinely rare. @dipteristsforum.bsky.social @dipterists.bsky.social

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DipteristsForum @dipteristsforum.bsky.social · 13/09/2026

Lots of Diptera 'good stuff' coming up in October from those nice people at @biologicalrecording.co.uk. The days are getting colder and the nights are drawing in so let's get prepped ready for next year! dipterists.org.uk/events/robbe... dipterists.org.uk/events/surve... @flygirlnhm.bsky.social

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Julian Sidney @juliansidney.bsky.social · 11/09/2026

I'm having a bit of trouble identifying this fly. I believe it's a adult female Banded-eyed Picture-winged Fly, Physiphora alceae. Seen a couple in our NE Essex garden the last couple of days. Any help with id please. @dipterists.bsky.social @dipteristsforum.bsky.social

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Erica McAlister @flygirlnhm.bsky.social · 10/09/2026

Check out this absolute unit of a Robberfly - an undescribed/identified Bactria species from Vietnam. Amazing @dipterists.bsky.social @dipteristsforum.bsky.social @royentsoc.bsky.social

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Julian Sidney @juliansidney.bsky.social · 02/09/2026

I believe this is a Anomoia purmunda, commonly known as the spectacled berry fly or hawthorn fruit fly, a small picture-winged fruit fly belonging to the family Tephritidae. Can anyone confirm please @dipteristsforum.bsky.social @dipterists.bsky.social Seen today in our NE Essex garden

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Dipterists Society @dipterists.bsky.social · 08/09/2026

🚨REMINDER🚨 We are still looking for speakers for the Dipterists Society meeting at @entsocamerica.bsky.social this November. Please submit your fly talks or share for more visibility!

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Graham Annable @grickle.bsky.social · 28/08/2026

A kaiju-sized fruit fly knocking over university buildings! A small but mighty genetic model. #kaiju #fruitfly #destruction #grickledoodle

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Evelyndroid's Aperture Science and Bugge-Finding 🏳️‍⚧️🕷️ @apsciencebylyn.bsky.social · 29/08/2026

Condylostylus mundus appreciation post (they're all over our yard now 💙) #InverteFest

Brilliant purple-ish blue long-legged fly, chilling on a leaf

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Dipterists Society @dipterists.bsky.social · 28/08/2026

We'll be hosting our 35th General Meeting @ #EntSoc26 (Nov. 10; Columbus, OH) and are looking for speakers! Presentations can be on anything related to #Diptera If you're interested please message @bertonemyia.bsky.social for a link to submit your talk info for consideration. Hope to see you there!

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ZooKeys @zookeys.pensoft.net · 28/08/2026

🪰 A new species of fly, Metopomyza hebeiensis, has been documented from China, alongside two other species newly recorded in the country for the first time: doi.org/10.3897/zookeys.1290.199747

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Dr. Viktor Baranov🧪🦟🐛🪲 @swarmofthoughts.bsky.social · 28/08/2026

Kishenehn formation from Eocene of Montana, is famous for #fossil Culiseta mosquito with preserved haemoglobine, discovered by my friend Dale Greenwalt. Less famous are water skating midges - Hintelmaniella noncatafractata, we discovered with Dale doi.org/10.26879/1165 #fossilfriday 🦖🪰⚒️

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Matt Bertone @bertonemyia.bsky.social · 28/08/2026

For your #FlyDay Friday, take a gander at these super thin crane flies! Very neat insects ☺️ #Tipulidae s.l.: #Limoniidae: #Orimarga Costa Rica

A very thin crane fly with thin wings wrapped around the body, perched on long legs on the edge of a leaf.

Very thin crane flies mating, male above the female. They have thin wings wrapped around the body, and are perched on long legs on the edge of a leaf.

Closer image of very thin crane flies mating, male above the female. They have thin wings wrapped around the body, and are perched on long legs on the edge of a leaf.

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ZooKeys @zookeys.pensoft.net · 26/08/2026

🦟 A distinctive group of #crane #flies has been examined in China, with Hexatoma chrysomela redescribed and newly recorded across several provinces, and a new species, H. guangxiensis, described from Guangxi and Yunnan: doi.org/10.3897/zookeys.1289.196984

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Julian Sidney @juliansidney.bsky.social · 26/08/2026

A Soldierfly in genus Chorisops. C. nagatomii Bright Four-spined Legionnaires vs C. tibialis Dull Four-spined Legionnaire Definitely a Chorisops but not a good enough photo of the abdomen to tell which. #irecord @dipteristsforum.bsky.social @dipterists.bsky.social @uk-soldierflies.bsky.social

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Erica McAlister @flygirlnhm.bsky.social · 26/08/2026

Bats and bat-flies Last night I tagged along to collect Nycteribiids from Daubenton’s bats. Great to see these dipteran weirdoes - flies with no wings, no eyes & giving birth to live young. 😎🪰 @dipteristsforum.bsky.social @royentsoc.bsky.social

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Fly School @dipteracourse.bsky.social · 26/08/2026

Tenure track Assistant Professor of Arthropod Biodiversity position open at UC Berkeley in California aprecruit.berkeley.edu/JPF05523

aprecruit.berkeley.edu

Assistant Professor - Arthropod Biodiversity - Department of Environmental Science, Policy, and Management

University of California, Berkeley is hiring. Apply now!

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Matt Bertone @bertonemyia.bsky.social · 21/08/2026

That's not excessive. THIS is excessive:

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Ainsley S @americanbeetles.bsky.social · 21/08/2026

I think Eriocera spinosa might be the funniest tipulid, as a practical joke played on preparators

Point-mounted specimen of a Hexatoma (Eriocera) spinosa, showing the outrageous long and delicate and completely straight antennae that it has IN ADDITION TO the spindly deciduous legs that come standard with every cranefly

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Don Yee @mosquitolab.bsky.social · 13/08/2026

Been trying to rear out adults from rat tailed maggots but they never seem to eclose (2 of these are about a month old). Anyone have success? @flygirlnhm.bsky.social @dipteracourse.bsky.social

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Julian Sidney @juliansidney.bsky.social · 09/08/2026

Superb Ant-hill Hoverfly (Xanthogramma pedissequum). Recorded in our wildspace garden today. The larvae of this species feed on aphids inside ant nests. @dipteristsforum.bsky.social @hoverflyspotter.bsky.social

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Julian Sidney @juliansidney.bsky.social · 09/08/2026

Today a male Cistogaster globosa I believe, to go along with a female yesterday. Great to record both sexes in our #wildspaces garden. Not an every day occurrence in NE Essex. @dipteristsforum.bsky.social @chrismothman.bsky.social @norfolkbutterflies.bsky.social @chrisraper.bsky.social

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Matt Bertone @bertonemyia.bsky.social · 10/08/2026

Back in civilization after 2 weeks in the Costa Rican jungle. It was an amazing experience full of spectacular flies (+other creatures) as well as a truly wonderful group of students & instructors. The memories made will last a lifetime. ☺️ 🥰 Can't wait for the next #Diptera adventure! #FlySchool2026

frit fly (Chloropidae: Acanthopeltastes) A small shiny black fly sits on a white backgroundfacing the viewer. Its wings are spread and it has four large spines coming out of the rear of the thorax.

mantis shore fly (Ephydridae: Ochthera) A grayish black fly with large mantis-like forelegs sits on a white background facing left.

horse fly (Tabanidae) A golden brown fly with a huge head made up of mostly eyes sits on a white background facing right, waving its front legs out.

stilt-legged fly (Micropezidae) A thin black fly with long legs and a bright red head and striped eyes sits on a white background facing right, waving around its front legs.

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Matt Bertone @bertonemyia.bsky.social · 08/08/2026

And if you want to see what they look like up close, here's a composite image I made (thanks to Nolan for collecting and wrangling them for me) #Periscelididae: #Stenomicra #FlySchool2026

A composite image of five poses made by a single little yellow fly on a white background

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Matt Bertone @bertonemyia.bsky.social · 08/08/2026

Another great video of the #Periscelididae: #Stenomicra by #FlySchool2026 student Nolan Lake (the students are calling them "pac-man" flies 😂)

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Matt Bertone @bertonemyia.bsky.social · 08/08/2026

Not only are #Periscelididae very cute, some of the less spectacular-looking spp. are hypnotic dancers 💃🕺 #Stenomicra shuffles back & forth, easily gliding across surfaces. This large genus is found in the tropics often on banana leaves, etc. #FlySchool2026 Costa Rica 📽️: Nolan Lake [more ⬇️]

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Erica McAlister @flygirlnhm.bsky.social · 07/08/2026

Heads up folks Some Tabanidae that were sampled from the Canopy Tower at the Soltis Center, Costa Rica These images show both differences in eye patterns & antennal branching. Sadly the eye patterns disappear as they desicate so images are important #FlySchool2026 @dipteracourse.bsky.social

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Matt Bertone @bertonemyia.bsky.social · 07/08/2026

OK I thought Scutops was cute, but OMG #NEOscutops is amazing! 😍 I'm now convinced #Periscelididae is, per species, the weirdest family of flies (more evidence from another genus to drop later). #FlySchool2026 Costa Rica [And yes, @americanbeetles.bsky.social, it's cool partly because of beetle]

A small round beetle-like fly with a shiny black body and bright red head walks on a leaf. Dorsal view.

A small round beetle-like fly with a shiny black body and bright red head walks on a leaf. Lateral view facing left.

A small round beetle-like fly with a shiny black body and bright red head walks on a leaf. Lateral view facing right.

A small round beetle-like fly with a shiny black body and bright red head sits on a white background. Lateral view facing left.

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Priyantha Wijesinghe @elaphrornis.bsky.social · 06/08/2026

Smacked it without looking, thinking it was just another Eastern Saltmarsh Mosquito. Doesn’t seem to have been harmed much. #deerfly

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Corrie Moreau @corriemoreau.bsky.social · 06/08/2026

I am thrilled to share that I will join the American Museum of Natural History @amnh.org as the Dean of Collections, Curator, and Professor in September!

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Rudolf Meier @rudolf-meier.bsky.social · 06/08/2026

Five years back in Berlin, and >650 species new to science. From crop-disease vectors to soil predators, CIBD researchers are bringing biology’s “dark matter” into the light—naming species so we can study, monitor and protect them. Explore: lnkd.in/e_uiKJwb

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Vic Brown @viccbrown.bsky.social · 06/08/2026

Hoverflies on Snowberry (Symphoricarpos albus) in my S. Cambridgeshire garden. Female Volucella zonaria Female Volucella inanis Female Volucella pellucens Male Myathropa florea #Diptera #Syrphidae #Hoverflies

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Matt Bertone @bertonemyia.bsky.social · 06/08/2026

This is what my camera roll looks like during #FlySchool2026 (and as it did during Fly School III in 2024) 😂

Phone camera roll full of photos of flies taken through the microscope

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Dr Jill Whitelock @jillwhitelock.bsky.social · 29/07/2026

Helophilus pendulus, ‘The footballer’, from Edward Donovan’s ‘The natural history of British insects’, vol. 1 (London, 1792). S391.c.79.1 @theulspeccoll.bsky.social #Hoverflies #Diptera

Hand-coloured printed illustration of a yellow and black Hoverfly next to a pink flower.

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iain @glaikitsheep.org · 01/08/2026

A stack of flies (Empis livida and some poor unfortunate) What happens in the under shrubbery stays in the under shrubbery focus stack of 23 shots - handheld and captured in natural light #fly #ukwildlife #diptera #tiger #photography #macro #nature #scotland

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Petra Korlević @petrathepostdoc.bsky.social · 02/08/2026

Diptera is 2 wing unless they are 0 wing and also convergent evolution into mite size and hitchhike on bee en.wikipedia.org/wiki/Braula_...

en.wikipedia.org

Braula coeca - Wikipedia

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Steve @stevetypesstuff.bsky.social · 04/08/2026

I said to the woman sitting next to me “Sit still, there’s a fly in your hair”. Which meant “I’m just grabbing my phone to take a pic of the large venomous predator in your hair”! What a beauty! #Robberflies #Asilidae

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Matt Bertone @bertonemyia.bsky.social · 07/08/2026

Love this from #FlySchool2026 student @toldentops.bsky.social! 🥰 #Lauxaniidae is one of the most diverse acalyptrate #fly families. Larvae are associated w/leaf litter, thus super abundant/diverse in forests. They are HIGHLY variable so every time a student finds one they think it's a new family 😂

Plate showing variety of flies in the family Lauxaniidae specimens.

A yellow fly with striped eyes sits on a leaf and waves at the camera.

A dark fly with half black wings, the tips, sits on a leaf.

A gray fly with large eyes stands tall on a leaf.

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Team Diptera 🪰🔍🦟🌻 @teamdiptera.bsky.social · 07/08/2026

Oooh, is that a new acalyptrate? NOPE. LAUXANIID. Thanks to @toldentops.bsky.social for sharing this #FlySchool meme with all of #TeamDiptera! 🪰✨

Meme with a Lauxaniid fly, top text: you think you got a different acalyptrate? WRONG!!!! bottom text: Its another Lauxaniid!!!! add it to the pile!!!!

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Erica McAlister @flygirlnhm.bsky.social · 06/08/2026

A rather lovely male Artemita sp (Stratiomyidae), one of the larger Pachygastrinae in Costa Rica. This genus mostly has species with hairy eyes, and this one is no exception @dipteracourse.bsky.social @dipterists.bsky.social #FlySchool2026

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Matt Bertone @bertonemyia.bsky.social · 05/08/2026

OK class: which is the male (♂️) and which is the female (♀️)? [BTW - these are the smallest members of this family of flies I have ever seen!] #FlySchool2026

Two small dark gray flies, one on top of the other and mating, rest on a green leaf.

Close up of two small dark gray flies, one on top of the other and mating, rest on a green leaf.

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Eurico Morais-de-Sá @polarityi3s.bsky.social · 05/08/2026

The #DrosTuga2026 website is now live! Join us in Leiria on 26–27 November 2026 for the Portuguese #Drosophila meeting. Save the date as registration opens in late August! Please share this post. We warmly welcome the #FlyResearch community from around the world! drostuga2026.mystrikingly.com

drostuga2026.mystrikingly.com

Drostuga2026 on Strikingly

DrosTuga 2026 is the annual meeting of the Portuguese Drosophila research community, bringing together researchers from Portugal and abroad. Here you can discover the dates, speakers, programme, venu...

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Matt Bertone @bertonemyia.bsky.social · 04/08/2026

Check out these flies! . . . And of course the amazing eyelash viper 😜 😂 🥰 #Ceratopogonidae #Viperidae: #Bothriechis supraciliaris #FlySchool2026 Costa Rica

A close up of a brown eyelash viper face showing a few blood-feeding biting midges.

A small brown viper wrapped around a small twig, facing down.

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