Diptera.info :: Identification queries :: Diptera (adults)
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 unknown tachinid
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| Stuart Ball |
Posted on 20-07-2007 13:54
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Member Location: Hampshire, UK Posts: 34 Joined: 09.07.07 |
 can anyone identify this possible tachinid. I think it might be one of the Gymnosoma (clavatum ?)Size approx 8mm. Found on rough vegetation at Portsdown Hill, Hampshire. Stuart Stuart Ball attached the following image:  [160.2Kb] |
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| Zeegers |
Posted on 20-07-2007 15:33
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Member Location: Soest, NL Posts: 18948 Joined: 21.07.04 |
Hi Stuart Pity we can see the frons. It's too big for clavatum and it really looks like (note the formulation) as a female of G. nudifrons. Which is never recorded in the UK, as fas as I know. DId you collect it. Or have pictures from front ? Theo |
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| ChrisR |
Posted on 20-07-2007 16:30
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 Super Administrator Location: Reading, England Posts: 7703 Joined: 12.07.04 |
Stuart told me that he didn't take a specimen BUT this photo reminds me of a female Gymnosoma that was sent to me recently (see images below). It was taken slightly out of the normal range for G. rotundatum and not on sand either. I have ruled out clavatum on the genitalia but I'd appreciate your comments Theo. 
ChrisR attached the following image:  [71.1Kb] Edited by ChrisR on 20-07-2007 16:30 |
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| ChrisR |
Posted on 20-07-2007 16:31
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Super Administrator Location: Reading, England Posts: 7703 Joined: 12.07.04 |
close-up of frons...
ChrisR attached the following image:  [81.87Kb] |
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| Zeegers |
Posted on 20-07-2007 16:57
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Member Location: Soest, NL Posts: 18948 Joined: 21.07.04 |
This is 100 % NOT nudifrons. As far as I can tell from the pic, it's a typical female rotundatum. Despite the atypical locality. Theo |
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| ChrisR |
Posted on 20-07-2007 17:19
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Super Administrator Location: Reading, England Posts: 7703 Joined: 12.07.04 |
Ahh, no problem ... a slight range extension then and a different habitat to the norm, but nothing new then Would nudifrons have an entirely black, undusted frons? Edited by ChrisR on 20-07-2007 17:22 |
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| Zeegers |
Posted on 20-07-2007 19:43
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Member Location: Soest, NL Posts: 18948 Joined: 21.07.04 |
Yep, and slightly more smoky wings than in rotundatum. Both are suggested by Stuart's picture, however, I stress suggested. Theo |
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| Stuart Ball |
Posted on 21-07-2007 09:18
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Member Location: Hampshire, UK Posts: 34 Joined: 09.07.07 |
Hello Chris and Theo Thanks for your advice on this pic. Stuart |
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| Zeegers |
Posted on 21-07-2007 09:55
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Member Location: Soest, NL Posts: 18948 Joined: 21.07.04 |
Well Stuart, DID you collect it ? Theo |
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| Stuart Ball |
Posted on 21-07-2007 20:07
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Member Location: Hampshire, UK Posts: 34 Joined: 09.07.07 |
No Theo, I did not take a specimen. I took only 3 pictures, none of which showed the frons. Stuart |
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| Zeegers |
Posted on 22-07-2007 10:10
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Member Location: Soest, NL Posts: 18948 Joined: 21.07.04 |
Pity. Maybe next time. It amazed me that you in the UK have not found G. nudifrons yet. You must have it, somewhere. So keep looking ! Theo |
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