Diptera.info :: Identification queries :: Diptera (adults)
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 Tachinidae ID? -> Maybe Sturmia bella
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| smol |
Posted on 08-09-2023 18:45
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Member Location: Posts: 349 Joined: 06.07.22 |
Netherlands, today, near lake  
Edited by smol on 14-09-2023 19:36 |
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| smol |
Posted on 11-09-2023 20:12
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Member Location: Posts: 349 Joined: 06.07.22 |
Excuse my lack of expertise, I tried to use the Matrix ID again (http://www.tachinidae.eu/free/default_moschweb.aspx). With some checks about the wing veins (see below), I got Lypha genus. But I am very doubtful… Wing: cell 4+5 open, CS6 missing, M with stub visible shorten than crossvein R-M, bend of M angled but not at a right angle |
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| John Carr |
Posted on 11-09-2023 20:18
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 Member Location: Massachusetts, USA Posts: 10176 Joined: 22.10.10 |
I do not think this is Lypha. The tip of vein M in tribe Polideini is typically curved, like tribe Exoristini but less elongated and closer to a quarter circle. The eyes of Polideini are normally hairy. The scutellum tends to have very long bristles. This has the general appearance of Goniini or Eryciini, what an American author once called the "vast central mass" of Tachinidae with few distinguishing features. |
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| Zeegers |
Posted on 12-09-2023 07:53
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Member Location: Soest, NL Posts: 18790 Joined: 21.07.04 |
Well, the calypter is very “Sturmiini-ni”. and given habitus and date, I bet Sturmia bella. Theo |
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| smol |
Posted on 14-09-2023 19:35
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Member Location: Posts: 349 Joined: 06.07.22 |
Thank you both for this feedback! A lot of information for the few angles I could photograph. I reflected my initial wing identification and found some wrong interpretations: 1. The "M stub" is actually missing, the wing fold was interpreted as a continuation of the M-vein 2. I was not aware how small the sixth costal sector is. Hard to judge from the pictures, but likely there is a small extension. Appreciated! |
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