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Diptera.info :: Family forums :: Asilidae Forum
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which Asilidae?
macharivernanoz
#1 Print Post
Posted on 12-03-2006 13:59
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Location: France (60)
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Joined: 12.03.06

Hi!Smile
I want to determinate this Asilidae and I can't do it alone! This Asilidae has been seen in France (100km north from Paris) in may. I photographied it in a way between a field and a wood of Fagus sylvatica and Populus. It was about 10 or 15 mm.
Is there anyone to give me a more precise idea?
img76.imageshack.us/img76/2279/p5150059copie3zy.th.jpg
img113.imageshack.us/img113/3253/p5150061copie0vt.th.jpg
img76.imageshack.us/img76/3664/p5150063copie5al.th.jpg

Thanks (If you answer to me, please use simple english Frown)
Marina
Edited by macharivernanoz on 12-03-2006 14:08
 
Susan R Walter
#2 Print Post
Posted on 13-03-2006 16:04
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Location: Touraine du Sud, central France
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Marina

I am not at all expert in Asilids, but do take an interest in them, so I might be able to help a little. The four obvious features of yours that will be important in identifying him (he looks like a male to me) are:

1. Those beautiful emerald green eyes.
2. The position and amount of yellow on the legs.
3. The size, shape, position and general appearance of the genitalia.
4. The habit of hanging upside down - some genera do this much more than others.

If I get time I will look at my references and see if I can help more.

Paul - Ce qui est lui qu'on avait indiqu? ? vous - nous devons pratiquer notre fran?ais Pfft
Susan
 
http://loirenature.blogspot.com/
macharivernanoz
#3 Print Post
Posted on 13-03-2006 17:02
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Location: France (60)
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Thanks for your answer.
I tried to identify my Asilidea with points that you mention but nothing!
I looked on differents web site, in my documentation, I tried a question in an other forum but no results!
There is a key on this web site :
http://www.geller...ilidae.htm

I think that subfamilly is Laphriinae or Asilinae but I am not sure.

However, I think like you, it is a male.

Bye
Marina
Edited by macharivernanoz on 13-03-2006 17:03
 
Xespok
#4 Print Post
Posted on 13-03-2006 20:28
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Location: Debrecen, Hungary
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Looks like an Asilinae robber fly.
 
Teglagyar u. 30.
macharivernanoz
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Posted on 13-03-2006 20:56
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Ok, but according to www.faueur.org there are 69 species of Asilinae in France........
 
Xespok
#6 Print Post
Posted on 13-03-2006 22:27
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Location: Debrecen, Hungary
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Exactly that is why a specialist is needed for the determination of this species based on these three images. Asilinae is possibly the most difficult subfamily within robber flies with many very similar species.
 
Teglagyar u. 30.
Dysmachus
#7 Print Post
Posted on 15-03-2006 20:01
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It seems to be a male of Neomochtherus geniculatus (Meigen, 1820) [Asilidae: Asilinae].
 
www.geller-grimm.de
Mark van Veen
#8 Print Post
Posted on 16-03-2006 14:43
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Location: Zeist, Netherlands
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Dysmachus wrote:
It seems to be a male of Neomochtherus geniculatus (Meigen, 1820) [Asilidae: Asilinae].


I would think the same. The facial knob is small and placed on the mouth edge, the femora are black and the tibiae red with black apex. That fits on N. geniculatus.

Mark
 
http://home.hccnet.nl/mp.van.veen/
macharivernanoz
#9 Print Post
Posted on 16-03-2006 20:56
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Location: France (60)
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Thanks for your answer.

Mark van Veen wrote:
... the tibiae red with black apex.
Mark


Red Shock ! Are you sure, I see them yellow!

Marina
Edited by macharivernanoz on 16-03-2006 20:57
 
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