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Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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[Gasterophilus sp] Unknown larva
Arthropa
#1 Print Post
Posted on 18-03-2007 19:25
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Location: Fragnes (Burgundy, France)
Posts: 183
Joined: 15.06.04

 Hi,

I'd like your opinion with this larva, found in some ruminant droppings on a way in the forest :
arthropa.free.fr/photos/ATH05-06-12-059.jpg
(Bullion, near Paris (France) - 12th June 2005 - Length was 23 mm)

What do you think about it : could it be some diptera larva, or not ?
Edited by Arthropa on 21-04-2007 22:44
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Paul Beuk
#2 Print Post
Posted on 18-03-2007 19:35
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 From what I can see there appear to be the larval mouth hooks of the calyptrate and acalyptrate flies. Considering the size I would say some kind of calyptrate fly. Maybe my books will yield somethingmore specific.
Paul

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Arthropa
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Posted on 18-03-2007 19:49
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Location: Fragnes (Burgundy, France)
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 Thanks Paul !

You can click here for a bigger view, whenever it may help ! Wink

Maybe some parasitic one ?
Edited by Arthropa on 18-03-2007 19:52
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Paul Beuk
#4 Print Post
Posted on 18-03-2007 20:09
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 It seems to be ready to pupate. That made me think, as it was found in the forest, too, that it might be a bot fly. The picture very much resembled that of an oestrid in the Manual of Mearctic Diptera. Maybe Theo can tell a little more about it.
Paul

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Tony Irwin
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Posted on 18-03-2007 22:04
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 This is a Gasterophilus larva (Gasterophilidae) - an internal parasite of horses. (One for the gallery, please?)
Tony
----------
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Arthropa
#6 Print Post
Posted on 18-03-2007 22:48
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Location: Fragnes (Burgundy, France)
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 Thanks Tony !

And one more picture into the gallery ! Wink
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Hi Nikita, could you complete the last sentence of your message here? Thx!

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It is with deepest sadness in my heart that I announce that on Saturday, November 15, one of the great minds of world dipterology, prof. Rudolf Rozkošny, left us forever. Please remember him with a

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If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

smol
23.06.25 11:18
Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys... I will keep this on my list and hope th

Tony Irwin
19.06.25 15:33
I have the hard copy book, if you have any specific queries, but I'm not scanning the 500+ pages!

smol
02.06.25 18:26
Anyone has "Chironomidae of the Holarctic region. Keys and diagnoses. Part 3. Adult Males Entomologica Scandinavica Supplement 34"? smolwaarneming@gma
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Nikita Vikhrev
28.05.25 20:57
I have Russian Coenosia. nikita6510@ya.ru

smol
28.05.25 12:25
Is someone able to share with me "A key to the Russian species of the genus Coenosia"?

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