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Diptera.info :: Identification queries :: Diptera (adults)
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Rhagionidae?
Pia
#1 Print Post
Posted on 03-12-2007 18:28
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Who can help to identify this fly?

Foto: Switzerland, Ricken SG 800m NN, 07.17.07

Regards Pia
Pia attached the following image:


[62.64Kb]
 
Paul Beuk
#2 Print Post
Posted on 03-12-2007 19:38
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Chrysopilus but not one I know. The only one recorded from Switzerland of which I completely am unaware of what it looks like it C. palparis.
Paul

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Zeegers
#3 Print Post
Posted on 03-12-2007 21:29
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Consulting Lindner in Lindner, I'd say it is the female of Ch. erythrophtalmus, which should occur in Switzerland.


Theo
 
Paul Beuk
#4 Print Post
Posted on 03-12-2007 23:26
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Hmm, any pictures I could find for that species did not have those silvery markings, and none of the descriptions I have seen mention that. Still, I do not have Lindner to consult. Wink
Paul

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Tony Irwin
#5 Print Post
Posted on 04-12-2007 00:17
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I'd agree with erythrophthalmus - the females have silver markings on the abdomen (see description and picture in Stubbs and Drake) - it is typically associated with mountain streams.
Edited by Tony Irwin on 04-12-2007 00:18
Tony
----------
Tony Irwin
 
Paul Beuk
#6 Print Post
Posted on 04-12-2007 08:07
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I still don't have Stubbs & Drake. Wink
Paul

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Pia
#7 Print Post
Posted on 04-12-2007 16:54
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Hallo,

indeed a very interesting fly. Thank you for the help.

@ Paul: Do you like the foto for the galery as Chrysopilus erythrophthalmus ?

Best regards Pia
 
Zeegers
#8 Print Post
Posted on 04-12-2007 18:58
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Paul, the point is, erythrophthalmus is strongly sexual dimorph.

Theo
 
Paul Beuk
#9 Print Post
Posted on 04-12-2007 22:51
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Pia wrote:
@ Paul: Do you like the foto for the galery as Chrysopilus erythrophthalmus ?
Do you need to ask? Wink
Paul

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