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Diptera.info :: Identification queries :: Diptera (adults)
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Sepsis => Sepsis thoracica
Jessica
#1 Print Post
Posted on 25-03-2022 00:07
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Hello,

He looks like Sepsis thoracica, is it ?

Taken in south of France, Pyrénées, 2000m, 10 july 2021

zupimages.net/up/22/12/rs9u.jpg
Edited by Jessica on 25-03-2022 19:29
 
eklans
#2 Print Post
Posted on 25-03-2022 12:02
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Location: Franconia, Germany
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Joined: 11.11.18

Hi Jessica, I've checked it with The Sepsidae (Diptera) of Europe (Pont, Meier) and it looks good! I think you are right with S. thoracica.

Greetings, Eric Kloeckner
 
Jessica
#3 Print Post
Posted on 25-03-2022 12:32
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Hi Eklans,

Great thanks a lot !
Finally, what makes it possible to confirm the species? The bristles of the tibia 1? Maybe also the general color?
 
eklans
#4 Print Post
Posted on 25-03-2022 13:22
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Location: Franconia, Germany
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Joined: 11.11.18

Hi Jessica, it's one of the species with meron glossy in posterior half and pruinose in anterior half, and katepisternum also partly shining and without pruinosity. Adult thoracica differs by having a dark spot at the tip of vein R2+3 and lacking a milky-white patch beyond this.

This info + key + figures may be found in The Sepsidae (Diptera) of Europe (Pont, Meier):
https://www.resea..._of_Europe

Greetings, Eric Kloeckner
 
Jessica
#5 Print Post
Posted on 25-03-2022 13:33
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Okay thank you so much.
I had seen this document, but I could not see the meron. On the other hand, the katepisternum seems pruinose only on its upper part. So I suppose that seeing this pruinosity is enough even if you don't see the meron ? (coupled with the wing spot)
 
eklans
#6 Print Post
Posted on 25-03-2022 17:32
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Location: Franconia, Germany
Posts: 3462
Joined: 11.11.18

What made me think you are right with male thoracica is the complete description in the doc and especially the figure 471 (fore femur).
Greetings, Eric Kloeckner
 
Jessica
#7 Print Post
Posted on 25-03-2022 19:29
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Ok thank you very much !
 
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