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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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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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19.05.15 14:40
Link to Nikita's articles https://archive.or
g/details/PapersOn
Diptera

19.05.15 14:32
Hi hope so can tell me if this is ok griffes et pelotes - claws and pulvilli Thx

09.05.15 12:04
Thx Stephane, I see by rather than from- no your English is great!

09.05.15 11:53
No, I would understand : "Calypters small, the lower one is projecting over the upper one by 3/4" (my english is probably not the best).

09.05.15 10:47
Thx Stephane p296 Seguy Calypters small, le thoracique saillant des 3/4 the lower is 3/4 the size or length of the upper? is that how you understand it

08.05.15 21:20
I assume the sentence talk about calypters (cuillerons) : it means that the lower (thoracic) one is protruding.

07.05.15 14:11
Can anyone help out with a translation for le thoracique saillant.. (its not thorax!) Thx

01.05.15 07:55
Thanks Tony. Curious all those flies belong to different families but all of them have white face. Maybe that is useful to see inside burrows?

30.04.15 13:06
long time not coming here, my best wishes to everyone

24.04.15 01:03
In the Dipterist's Handbook, Halictus are recorded as hosts of Thecophora and Zodion; Leucophora sociata; Metopia argyrocephala

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