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Dipterists Society

@dipterists

Our mission is to advance the scientific study, understanding, and appreciation of the insect order Diptera, or true flies. dipterists.org

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10.12.2024
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Latest posts by Dipterists Society @dipterists

Only a couple days left to apply for this course!
We hope you consider it and we'd love to see you there for this amazing opportunity πŸ˜ŠπŸ¦ŸπŸŽ‰

bsky.app/profile/dipt...

26.02.2026 16:17 πŸ‘ 3 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
Illustrated logo with a square bottom and round top, light blue background showing a lake and trees in the background. Three flies, a robber fly, midge, and crane fly sit below the Dipterists Society logo. Bottom wording says "Itasca Biological Station"

Illustrated logo with a square bottom and round top, light blue background showing a lake and trees in the background. Three flies, a robber fly, midge, and crane fly sit below the Dipterists Society logo. Bottom wording says "Itasca Biological Station"

Photo of a lake with a rocky shoreline, with clouds and trees in the background

Photo of a lake with a rocky shoreline, with clouds and trees in the background

We're excited to announce registration is open for the 19th Dipterists Society Field Meeting, to be held June 15–19th at the Itasca Biological Station in northern Minnesota!

For more information & to submit talks please visit: dipterists.org/field_meetin...

We look forward to seeing you there!

24.02.2026 13:47 πŸ‘ 10 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0

Just one week left to apply to Fly School IV!!!

23.02.2026 13:43 πŸ‘ 5 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
The cover of The new β€˜Photographic guide to flies of Britain and Ireland’

The cover of The new β€˜Photographic guide to flies of Britain and Ireland’

An open page from the new β€˜Photographic guide to flies of Britain and Ireland’. Text for each species on the left with beautiful macro photos on the right.

An open page from the new β€˜Photographic guide to flies of Britain and Ireland’. Text for each species on the left with beautiful macro photos on the right.

Oh hello… it’s here! The new β€˜Photographic guide to flies of Britain and Ireland’.

Steven Falk (not sure if he’s on BS?)
@gailashton.bsky.social
@rdimond.bsky.social
Peter Creed
Forward by @flygirlnhm.bsky.social

It is an astonishing piece of work for such a diverse taxonomic group.
#diptera

21.02.2026 12:12 πŸ‘ 29 πŸ” 8 πŸ’¬ 1 πŸ“Œ 0
Termination Diptera unit CNC Ottawa Help the Diptera unit at CNC!!!

sooooo... WHO is NEXT?!? πŸ˜±πŸ™ˆπŸ˜­

πŸ”₯ #Diptera unit 🦟πŸͺ° at #CNC in Ottawa under threat!!! πŸ”₯

Plz support the colleagues!!! Read the Open Letter and sign the petition here: diptera.de/CNC_Diptera/

#taxonomy #biodiversity #collection #museum #entomology #gnatsarecool #fliesarecooltoo #Canada #insects

10.02.2026 23:53 πŸ‘ 8 πŸ” 7 πŸ’¬ 0 πŸ“Œ 2
A yellow round sticker with the words Let It Fly surrounded by 5 flies

A yellow round sticker with the words Let It Fly surrounded by 5 flies

Let it fly!! Check out this awesome fly art from jyoon_bug on instagram! πŸͺ°β€οΈ #Diptera #FliesAreAwesome

12.02.2026 18:10 πŸ‘ 58 πŸ” 14 πŸ’¬ 2 πŸ“Œ 3
Macro photo of a small black soldier fly with fine silvery hairs standing in the middle of a yellow aster, its long proboscis sunk deep into the flower. The fly’s head is cone-shaped and tapers to a sharp point. (Nemotelus kansensis, Texas)

Macro photo of a small black soldier fly with fine silvery hairs standing in the middle of a yellow aster, its long proboscis sunk deep into the flower. The fly’s head is cone-shaped and tapers to a sharp point. (Nemotelus kansensis, Texas)

Heartbreaking: The Worst Insect You Know Has a Great Point

09.02.2026 21:28 πŸ‘ 98 πŸ” 12 πŸ’¬ 3 πŸ“Œ 0

REMINDER: The deadline to apply for Fly School is 28 Feb.
Visit dipterists.org/fly_school.h... for info & application.
Photo by @bertonemyia.bsky.social

09.02.2026 04:09 πŸ‘ 18 πŸ” 8 πŸ’¬ 2 πŸ“Œ 3
digital illustration of a long, hairy, yellowish-green fly with orange and black legs and white tuft on the end of its abdomen. below is a white egg sack with tiny white larvae emerging saying "γ—γŠ!"

digital illustration of a long, hairy, yellowish-green fly with orange and black legs and white tuft on the end of its abdomen. below is a white egg sack with tiny white larvae emerging saying "γ—γŠ!"

#flybuary day 4! promachus yesonicus is called γ‚·γ‚ͺダをブ (shioyaabu, salt peddler "horsefly") in japanese because of the male's white tail. promachus are huge robber flies and are one of the few genera of asilids that lay frothy white egg masses. buy his salt or else.
#invertebrates #sciart

05.02.2026 07:25 πŸ‘ 68 πŸ” 20 πŸ’¬ 4 πŸ“Œ 0
A yellow and black striped fly with dark patches on its wings, held out, feeding on dung while resting on a leaf.

A yellow and black striped fly with dark patches on its wings, held out, feeding on dung while resting on a leaf.

πŸͺ° DEADLINE: Dipterists Society Travel and Research Grant applications are due by 9 February 2026

Please see the last issue of Fly Times (dipterists.org/assets/PDF/f...) or visit the Society's website for details: dipterists.org/grants_award...

03.02.2026 22:04 πŸ‘ 10 πŸ” 6 πŸ’¬ 0 πŸ“Œ 0
Preview
Acalyptrate flies - Alex Wild A gallery of various acalyptrate flies.

Gosh I have photographed a lot of flies over the years.

31.01.2026 23:53 πŸ‘ 132 πŸ” 23 πŸ’¬ 3 πŸ“Œ 0
A preserved micro bee fly with a hump back, long "beak", and large eyes.

A preserved micro bee fly with a hump back, long "beak", and large eyes.

🚨 Postdoc announcement 🚨

Taxonomy of Neotropical Mythicomyiidae at Museu de Zoologia, Universidade de SΓ£o Paulo (MZUSP)

For more details follow this link: fapesp.br/oportunidade...

Photo: male Amydrostylus triadicophallus Lamas, Falaschi & Evenhuis, 2015 (Mato Grosso do Sul, Brazil)

30.01.2026 15:37 πŸ‘ 13 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Ok so I’ve seen a lot of pinned insects in my time but I’ve NEVER seen wing rests for mosquitoes

The @unirdgento.bsky.social have been charged to give me data about these specimens in the @uniofreading.bsky.social collection because they are FABULOUS

@royentsoc.bsky.social @entcollnet.bsky.social

28.01.2026 20:10 πŸ‘ 54 πŸ” 8 πŸ’¬ 2 πŸ“Œ 0
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Call out to anyone with UK records of Sphaeroceridae not on NBN/iRecord. Looking at getting the best distribution possible for a new key, I realise this will be a 'best possible', but more the merrier. Please share @dipteristsforum.bsky.social @flygirlnhm.bsky.social @respublications.bsky.social

24.01.2026 17:34 πŸ‘ 27 πŸ” 20 πŸ’¬ 2 πŸ“Œ 0
desk space in insect collection at Iziko South African Museum with view of Lions Head

desk space in insect collection at Iziko South African Museum with view of Lions Head

assassin fly Anasillomos chrysopos with cicada prey

assassin fly Anasillomos chrysopos with cicada prey

two male assassin flies of Acnephalomyia leukoros mounted on single card

two male assassin flies of Acnephalomyia leukoros mounted on single card

assassin fly Teratopomyia cyanea - first species of Asilidae described from South Africa in 1781

assassin fly Teratopomyia cyanea - first species of Asilidae described from South Africa in 1781

#FlyFriday

visiting Iziko South African Museum in Cape Town today - great collection, great flies, (partial) view of Lions Head

assassin flies:
Anasillomos chrysopos with cicada prey
Acnephalomyia leukoros males
Teratopomyia cyanea - 1st species described from South Africa in 1781

#asiloidflies

23.01.2026 12:57 πŸ‘ 18 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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Ahh the problem with common names

The original description of this image -'Fruit flies undergo a prelude of dances prior to mating'

It's a Tephritidae - a fruit fly. NOT Drosophila - what many refer to as a fruit fly (from family Drosophilidae aka Vinegar flies). Quite different (see image of cat)

23.01.2026 15:32 πŸ‘ 46 πŸ” 11 πŸ’¬ 3 πŸ“Œ 1
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Our new 416pp #FliesofBritainandIreland covering over 1300 species & with over 1500 photos is now being printed - due mid Feb 2026. You can still pre-order until 31 Jan bit.ly/4dqQI8Z
@flygirlnhm.bsky.social @gailashton.bsky.social
@dipteristsforum.bsky.social @georgemcgavin.bsky.social

13.01.2026 15:25 πŸ‘ 40 πŸ” 22 πŸ’¬ 2 πŸ“Œ 3
Willistoniella sp., ropalomerid fly (Ropalomeridae). Photo taken at Fly School 2024 by @bertonemyia.bsky.social

Willistoniella sp., ropalomerid fly (Ropalomeridae). Photo taken at Fly School 2024 by @bertonemyia.bsky.social

Limoniinae,bobbing crane fly (Tipulidae). Photo taken at Fly School 2024 by @bertonemyia.bsky.social

Limoniinae,bobbing crane fly (Tipulidae). Photo taken at Fly School 2024 by @bertonemyia.bsky.social

Stilt-legged fly (Micropezidae). Photo taken at Fly School 2024 by @bertonemyia.bsky.social

Stilt-legged fly (Micropezidae). Photo taken at Fly School 2024 by @bertonemyia.bsky.social

Lauxaniid fly (Lauxaniidae). Photo taken at Fly School 2024 by @bertonemyia.bsky.social

Lauxaniid fly (Lauxaniidae). Photo taken at Fly School 2024 by @bertonemyia.bsky.social

Join us in Costa Rica for Fly School IV! Applications are now open. Visit dipterists.org/fly_school.h... for application & info. @dipterists.bsky.social @dipteristsforum.bsky.social @teamdiptera.bsky.social @flygirlnhm.bsky.social @bertonemyia.bsky.social @ariannatc.bsky.social @phorid.bsky.social

13.01.2026 16:46 πŸ‘ 26 πŸ” 12 πŸ’¬ 0 πŸ“Œ 4
Neoempheria merlio Amorim & Oliveira sp. n. from Singapore

Neoempheria merlio Amorim & Oliveira sp. n. from Singapore

Happy New Fungus Gnats! πŸ₯‚πŸ¦ŸπŸ¦Ÿ

Prof. Dalton Amorim and co-authors name 98 new species of Mycetophilidae from Singapore in a monograph just published in @integsyst.bsky.social

The paper can be downloaded for free from the following link: tinyurl.com/342cs43t

Enjoy!

@rudolf-meier.bsky.social

01.01.2026 08:58 πŸ‘ 20 πŸ” 8 πŸ’¬ 0 πŸ“Œ 2
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Periscelis wheeleri, the most grumpy old man fly I've ever seen

06.01.2026 14:02 πŸ‘ 144 πŸ” 19 πŸ’¬ 2 πŸ“Œ 0

A new genus and new species of Mycetophilidae from Singapore. Paper authored by Fly School instructor Dalton Amorim, Fly School I alumnus @derschwingfliegen.bsky.social, and others

04.01.2026 17:46 πŸ‘ 9 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
An orange yellow fly with long legs and antennae sits on a gray background. It has dark stripes on the legs, iridescent green eyes, and four large dark spots on the wings, laid out in a diamond shape.

An orange yellow fly with long legs and antennae sits on a gray background. It has dark stripes on the legs, iridescent green eyes, and four large dark spots on the wings, laid out in a diamond shape.

An orange yellow fly with long legs and antennae sits on a scale encrusted twig background. It has dark stripes on the legs, iridescent green eyes, and four large dark spots on the wings, laid out in a diamond shape.

An orange yellow fly with long legs and antennae sits on a scale encrusted twig background. It has dark stripes on the legs, iridescent green eyes, and four large dark spots on the wings, laid out in a diamond shape.

An orange yellow fly with long legs and antennae sits on a scale encrusted twig background. It has dark stripes on the legs, iridescent green eyes, and four large dark spots on the wings, laid out in a diamond shape.

An orange yellow fly with long legs and antennae sits on a scale encrusted twig background. It has dark stripes on the legs, iridescent green eyes, and four large dark spots on the wings, laid out in a diamond shape.

An orange yellow maggot sits on a scale encrusted twig background, among numerous scale insects.

An orange yellow maggot sits on a scale encrusted twig background, among numerous scale insects.

Don't let this delicate little muppet fly fool you - larvae are voracious predators of armored scale insects! A member of the "gall" midge family, it has abandoned plant feeding for a meat-based diet (like many others).

#Cecidomyiidae: #Dentifibula viburni
Host = white prunicola scale; #Diaspididae

04.01.2026 19:53 πŸ‘ 43 πŸ” 9 πŸ’¬ 1 πŸ“Œ 2
Louse flies with unhatched puparia

Louse flies with unhatched puparia

My first louse (flat) flies of the year! Stenepteryx (Crataerina) hirundinis puparia (Diptera: Hippoboscidae) with flies emerging about 5 months early. I probably should have kept them somewhere cooler!

04.01.2026 05:48 πŸ‘ 14 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
Processing the contents of a vacuum sampling session. Copyright Nigel Jones

Processing the contents of a vacuum sampling session. Copyright Nigel Jones

Learn more about #diptera Funding available for Summer field meeting 2026 #fieldcraft #entomology #pollinators #foodwebs #detritivores
Application deadline is 5th Jan. Email enquiries@dipterists.org.uk
@britentsoc.bsky.social @dipterists.bsky.social @royentsoc.bsky.social @flygirlnhm.bsky.social

29.12.2025 18:08 πŸ‘ 13 πŸ” 12 πŸ’¬ 0 πŸ“Œ 2
Macro Photography in COLOMBIA - Ep 2: SPIDERS, Flies, Orthopterans and more!
Macro Photography in COLOMBIA - Ep 2: SPIDERS, Flies, Orthopterans and more! YouTube video by Thomas Shahan

Enjoy a lovely walk through a Colombian mountain-top forest with @tshahan.bsky.social! We suggest watching the whole video (youtu.be/sgGlXNOct9I?...), but if you want to skip to the flies πŸͺ° you can click here: youtu.be/sgGlXNOct9I?...

Amazing!

26.12.2025 15:36 πŸ‘ 11 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
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my modest collection of flies with WIDE heads πŸ™‡

a hammer-headed Richardia (Ecuador),
a stalk-eyed Chaetodiopsis (Mozambique),
a pointy-eyed Ophthalmoptera (Colombia),
and an antlered Richardia (Colombia)

why though? male-male competition? sexual selection? chime-in if you know!

22.12.2025 18:53 πŸ‘ 166 πŸ” 44 πŸ’¬ 8 πŸ“Œ 3
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Day 20 of #InsectAdvent

Nearly there, eyes on the prize of Christmas Day. Talking of eyes, some of the best eyed creatures are stalk-eyed flies including Plagoiocephalus latifrons (image @bertonemyia.bsky.social) we saw in Costa Rica

@royentsoc.bsky.social @dipterists.bsky.social

21.12.2025 18:09 πŸ‘ 118 πŸ” 22 πŸ’¬ 4 πŸ“Œ 1
Cover photo - Male Diostracus prasinus Loew (Dolichopodidae) from Kephart Prong Trail in the Great Smoky Mountains National Park, North Carolina, USA. This species has fascinatingly pubescent palpi which shimmer in the light and are used for courting interactions. Photograph by Zachary Dankowicz.

Cover of the issues shows a long-legged fly standing on a natural surface staring at the camera. It has green eyes with diffuse reddish stripes and a metallic green thorax. It has a pair of bright white, flat palps around the mouth.

Cover photo - Male Diostracus prasinus Loew (Dolichopodidae) from Kephart Prong Trail in the Great Smoky Mountains National Park, North Carolina, USA. This species has fascinatingly pubescent palpi which shimmer in the light and are used for courting interactions. Photograph by Zachary Dankowicz. Cover of the issues shows a long-legged fly standing on a natural surface staring at the camera. It has green eyes with diffuse reddish stripes and a metallic green thorax. It has a pair of bright white, flat palps around the mouth.

Just in time for the holidays, a little gift: FLY TIMES Issue 75 (Fall 2025)! πŸͺ° πŸ“° 🎁

Check it out for all the latest Diptera/fly news.

**Don't forget to check out the call for grant applications through the society too!**

dipterists.org/assets/PDF/f...

21.12.2025 20:13 πŸ‘ 27 πŸ” 5 πŸ’¬ 1 πŸ“Œ 0
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Day 16 #InsectAdvent

The Nativity story is set in a stables in Bethlehem where the People were surrounded by animals, not all of them welcome. The stable fly Stomoxys calcitrans (Muscidae) gives the gift of a painful 'bite' to all attending mammals

@dipterists.bsky.social @royentsoc.bsky.social

17.12.2025 15:14 πŸ‘ 39 πŸ” 4 πŸ’¬ 1 πŸ“Œ 0
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Day 15 #InsectAdvent

And even the flies are getting festive. Sporting massive antlers akin to Moose or Reindeer, Phytalmia sp (Tephritidae) males, will use them to fight for their right.......to PARTY (with the opposite sex...)

@royentsoc.bsky.social @dipterists.bsky.social

16.12.2025 16:18 πŸ‘ 26 πŸ” 6 πŸ’¬ 0 πŸ“Œ 0