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

23.04.15 22:20
Please, how to post a question in the forum?

21.04.15 22:36
Thanks Paul, nice clue Milto: http://www.biodive
rsidadvirtual.org/
insectarium/A-dete
rminar-img683158.h
tml

21.04.15 12:53
I guess some Bombyliidae may parasitize on Halictus, perhaps Miltogramminae?

20.04.15 18:53
Is there any diptera brachycera fly that parasites Halictus (Apoidea)?

18.04.15 10:18
Thanks very much for the shout

12.04.15 15:59
Nope. It is the base(al section) of the radial vein.

11.04.15 11:03
Can any1 help pls? Is r-stamme= Rs- Radial sector Thx

20.03.15 20:46
Very good site with photo of Jürgen Kappert

20.03.15 20:45
http://spessart-fl
iegen.de/diptera/d
iptera.html

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