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Diptera.info :: Identification queries :: Diptera (adults)
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Muscidae: Helina impuncta
Stephen R
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Posted on 06-06-2011 21:58
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7.5 mm, Arncliffe Yorkshire UK, 5 June 2011

I found this in a moribund state indoors. Gregor's key leads me to H. impuncta, but according to the description the fronto-orbital plates should be touching. The paired spots on t2&3 look strong when lit from behind, but less so in the photo. I couldn't get much reassurance from the genitalia, but they look as close to H. impuncta as to any of the other spp. illustrated.
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Edited by Stephen R on 08-06-2011 11:27
 
Stephen R
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Posted on 06-06-2011 21:59
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Stephen R
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Posted on 06-06-2011 22:00
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Stephen R
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Posted on 06-06-2011 22:01
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Stephen R
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Posted on 06-06-2011 22:08
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nielsyese
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Posted on 07-06-2011 10:56
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I think about Helina impuncta too, but can't confirm, as I have too less experience (I'm just interested)Smile Very common at the moment here too. Regards, Niels.
 
Stephen R
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Posted on 07-06-2011 12:01
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Hi Niels. I expect Stephane will enlighten us Wink
 
Stephane Lebrun
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Posted on 07-06-2011 16:44
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This is an odd one. As far as I know, with prst acr., it can only be Helina impuncta or Helina quadrata (rarely in H. lasiophthalma one can find 1-2 elongated prst acr.).
With 1+2 ks and bare eyes, I can't see anything exept H. impuncta.
Stephane.
 
Stephen R
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Posted on 08-06-2011 11:27
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Thanks Stephane! I'm glad I was right to be puzzled.
 
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Augens├Ąume = eye margins, weit zusammensto├čen = broadly adjoined, einschlie├člich = including/inclusiv
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