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Diptera.info :: Identification queries :: Diptera (adults)
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Tachinidae 27/06
Nikita Vikhrev
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Posted on 27-06-2006 16:50
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Moscow, park, 27 june, 10mm.
Scutellar apical setas crossed, arista short plumose, no setas on R, only 3setas on R4+5 base.
I don't think it is Thellaria.
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Nikita Vikhrev
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Posted on 27-06-2006 16:51
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dorsal
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ChrisR
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Posted on 28-06-2006 00:15
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My first guess, based on the generally shiny black body colour and the white dusted postpronotal lobes with 2 bristles, was Leiophora innoxia.

I have tried to key it through but there are some important areas that are not clear - such "how far back is the excavation in T1+2?" and "are the apical scutellar bristles crossed near their midpoint - or not crossed/only crossed at their tips?". Also, clarifying the colour of tha palps would be useful. Smile
 
http://tachinidae.org.uk
Nikita Vikhrev
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Posted on 28-06-2006 07:13
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Hi Chris.
1. Excuse me, what is T1+2?
2. Apical scutellar bristles crossed even good before midpoint.
3. Palps - reddish brown.
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
ChrisR
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Posted on 28-06-2006 09:13
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Hi Nikita

Sorry, it's a common abbreviation for Tergites 1+2, the 2 fused tergites that make up the first visible segment on the abdomen, just behind the scutellum. In most species there is a 'dent' or 'depression' in this tergite and one of the keying features is to note if the depression reaches the posterior margin of T1+2 Smile

Hmm, with a fly of 10mm; apical scutellars that are crossed so much; and light palps (not black) it might not be Leiophora after all. Sad
Edited by ChrisR on 28-06-2006 09:19
 
http://tachinidae.org.uk
Nikita Vikhrev
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Posted on 28-06-2006 09:27
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Hi Chris.
I'll try to answer.
Nikita
P.S. I thought, that the best way to ID it, has to be checking all few Tachinidae with plumose arista. But it isn't easy to find the cases with plumose arista among a lot of Tachinidae, alas.
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ChrisR
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Posted on 28-06-2006 09:38
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Sorry, I missed the 'short plumose' bit (I must learn to read!) Wink Well, it certainly isn't Thelaira (eyes aren't big enough and it's legs are too short and fat). Does the parafacial have tiny little hairs on most of its length? And how many bristles does it have on the anterodorsal surface of the mid-tibia?
 
http://tachinidae.org.uk
Robert Nash
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Posted on 28-06-2006 10:15
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Excuse me, what is T1+2? I put an explanation in the glossary on seeing your question Nikita.If you do not ask you will never know. But those fused tergites are a real problem. Aren't they?
 
http://www.habitas.org.uk/rnash.html
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