Diptera.info :: Identification queries :: Diptera (adults)
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 Soldier fly ID
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| LordV |
Posted on 30-08-2007 08:54
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Member Location: Posts: 671 Joined: 06.09.05 |
Any ideas on this one. Taken Yesterday about 8mm bodylength, long hind legs. South coast UK- looks a bit like Sargus sp. ? but didn't seem to match anything in the gallery. Brian V.  |
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| Kahis |
Posted on 30-08-2007 09:52
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 Member Location: Helsinki, Finland Posts: 1999 Joined: 02.09.04 |
Chorisops tibialis (Strat.)
Kahis |
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| jorgemotalmeida |
Posted on 30-08-2007 10:37
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 Member Location: Viseu - PORTUGAL Posts: 9295 Joined: 05.06.06 |
Beautiful stratiomyid. I assume that this is common in South as well. And this is the best season.  Like Sargus... I didn?t see Sargus yet...  |
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| LordV |
Posted on 30-08-2007 13:25
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Member Location: Posts: 671 Joined: 06.09.05 |
Thanks for the ID Kahis and the comments Jorge Brian V. |
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| David Gibbs |
Posted on 30-08-2007 14:33
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 Member Location: Bristol, UK Posts: 833 Joined: 17.06.06 |
looks more like Chorisops nagatomii Rozko?n? , 1979 to me, very frequent in south GB at moment. |
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| Kahis |
Posted on 30-08-2007 15:22
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Member Location: Helsinki, Finland Posts: 1999 Joined: 02.09.04 |
Well, I have never seen a Chorisops live, but according to Stubbs & Drake C. nagatomii should have bright yellow postpronotal (humeral) calli while C. tibialis should have at least partially dark ones. Perhaps they just aren't very well visible in the photo 
Kahis |
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| David Gibbs |
Posted on 30-08-2007 18:40
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Member Location: Bristol, UK Posts: 833 Joined: 17.06.06 |
saw lots of Chorisops today and took several specimens all of which proved to be nagatomii (genitalia checked for the males). the colour characters need good light from the right direction to be sure about. one of todays specimens had entierly dark ppl although in rest it was half yellow. The green shine to the frons rather than black i find a good character when the two species compared, but again requires light from the right direction. In the field nagatomii is decidedly paler, both with a more yellow abdomen and a paler glossy green thorax. In southern GB nagatomii is a decidedly late summer/autumn species, tibialis much more frequent in mid-summer. |
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| jorgemotalmeida |
Posted on 30-08-2007 18:43
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Member Location: Viseu - PORTUGAL Posts: 9295 Joined: 05.06.06 |
which is the best typical habitat for these flies?? swamps?  |
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| David Gibbs |
Posted on 30-08-2007 20:39
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Member Location: Bristol, UK Posts: 833 Joined: 17.06.06 |
in GB both species frequent tall hedges, woodland edge and shrubby areas, one of the most reliable ways to find them is to sweep the foliage of sallow bushes but they can be found on any tree or shrub or bramble etc. |
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| LordV |
Posted on 30-08-2007 20:48
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Member Location: Posts: 671 Joined: 06.09.05 |
Not sure if it helps but here is a shot from a lower angle. Brian V.  |
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