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Hello everyone !!!

I pictured this specimen in my garden on 2023-05-06 and could measure it on pictures : 6,3mm. The ratio of length to width of third antennal segment is 1.64 so largely under 2x !

Can we ID this specimen ???

I think it is a Neoascia , perhaps Neoascia interrupta (Meigen, 1822) , male ?

The transverse veins of the wings are spotted and I can see yellow spots on the tergites 2,3 and 4 ...

In Belgium, Four species whose wings have darkened transverse veins.
- Neoascia podagrica,
- Neoascia interrupta,
- Neoascia obliqua and
- Neoascia unifasciata.

If there are other, I would be happy to know !

Of those species only one has the third antennal segment with the ratio between length and width less than 2 : N. interrupta !

Steven Falk has album in Flickr :
N. interrupta : https://www.flick...147899879/

N podagrica : https://www.flick...1638744863

Not only the spots on the tergites are different, but also the colour of the third antena's segment ...

I put many pictures as I dont know which one could be the most diagnose...

Can you help me ?

















Thank you for reading this post , comments or ID !!!

Have a nice day,
Didier

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Can anyone confirm this observation or identify this Neoascia ?
Thank you !!!

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Neoascia cf. podagrica

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Thank you very much Helge !
Why not N. interrupta with such markings and such ratio for the 3D antenna’s segment ?

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On the picture below I can see a yellow spot on the tergites 4 as on the tergites 2 and 3.
Do you agree with me ?

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Hi Tetrao,

I can only see two yellow spots (T2 & T3), the third is just a reflection of the flash light used. The third segment of the antenna looks elongated.

Helge

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I don't use a flash light and this yellow spot appear on all pictures in dorsal or profil views ! I measured the third segment of the antenna : the ratio is 1,64 ! In all keys I could find and read they say : More then a ratio of 2 then go to ... N. podagrica and less then 2 go to ... N. interrupta. I measured this ratio on Steven Falk specimen : 1,48 !

Thank you very much for reading my post and commenting about your ID.
Didier

Here in the shadow !

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your welcome!

Helge