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View Thread :: Identification queries :: Diptera (adults)
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Bombylisoma ?
#1 Print Post
Posted on 15-03-2017 00:04

Posts: 4
Joined: 10.01.14

Dear All,

I took this photo in South of France, Gard, Fournès, the 21/06/2011.

On forum we think to a Bombylisoma because of the nervation. But I can't find something similar in some pictures seen on the Web.

Which will be your diagnostic ?

Thank you,

Jean-Laurent Hentz
Beaucaire, Gard, France
Piet Nord
#2 Print Post
Posted on 15-03-2017 09:07

Location: Germany
Posts: 307
Joined: 19.07.11

It is Systoechus.
#3 Print Post
Posted on 15-03-2017 10:08

Posts: 4
Joined: 10.01.14

Thank you to put us on the good railway...

If I can eliminate S. ctenopterus with his black hair in the yellow fur, could I propose S. longirostris or is it too much presomptuous ?

An other question with this picture : does the color of the eyes change with sex ou age of the fly ? Because pictures show dark eyes or red eyes as mine.
Edited by gardnature on 15-03-2017 10:08
#4 Print Post
Posted on 15-03-2017 23:19
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Location: France Provence
Posts: 1802
Joined: 06.02.08

It is not the wing nervation of Systoechus.
Piet Nord
#5 Print Post
Posted on 16-03-2017 08:31

Location: Germany
Posts: 307
Joined: 19.07.11

You are right christoophe, sorry gardnature, I missidentified vein r-m in the picture.
#6 Print Post
Posted on 16-03-2017 16:51

Location: Hungary
Posts: 1335
Joined: 04.01.12

Wing venation would be consistent with Bombylisoma, if I see it well.
Edited by piros on 16-03-2017 16:51
#7 Print Post
Posted on 16-03-2017 17:20
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Location: Madrid, Spain
Posts: 2369
Joined: 06.11.10

Bombylisoma for sure, no shadow of doubt. The trouble is to give a positive ID for the species with only this picture. A more frontal view would be very welcome. If it turns out to be a female, there might be a chance it is B. melanocephalum (bold sexual dimorphism in this species). But again, with only this picture I would keep it as Bombylisoma sp.
Edited by Piluca_Alvarez on 16-03-2017 17:36
#8 Print Post
Posted on 21-03-2017 01:41

Posts: 4
Joined: 10.01.14

Thank you.

I have no other picture but for sure I will be vigilant if I return in this part of the Gard.
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21 March 2018 06:40


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