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Diptera.info :: Identification queries :: Diptera (adults)
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Bibio in copula
pierred
#1 Print Post
Posted on 06-05-2021 11:53
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Location: Paris (France)
Posts: 1333
Joined: 21.04.05

Hello,

[Click on the picture to get a better resolution. Click again to come back.]

www.galerie-insecte.org/galerie/image/dos280/big/5ds82331.jpg
Pierre Duhem : France : Saint-Leu-la-Forêt : 95320 : 03/05/2021
Altitude : 191 m - Taille : 7-8 mm
Réf. : 280954

The female:
www.galerie-insecte.org/galerie/image/dos281/big/5ds82331b.jpg
Pierre Duhem : France : Saint-Leu-la-Forêt : 95320 : 03/05/2021
Altitude : 191 m - Taille : 7-8 mm
Réf. : 281083

The male:
www.galerie-insecte.org/galerie/image/dos281/big/5ds82331c.jpg
Pierre Duhem : France : Saint-Leu-la-Forêt : 95320 : 03/05/2021
Altitude : 191 m - Taille : 7-8 mm
Réf. : 281084

I hesitate between B. lanigerus and B. johannis.

Is it possible to decide?
Thanks in advance.
Pierre Duhem
 
eklans
#2 Print Post
Posted on 06-05-2021 13:23
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Location: Franconia, Germany
Posts: 1523
Joined: 11.11.18

Hi Pierre, a lateral view would be nice but to decide between johannis & lanigerus: it's lanigerus: The wing membrane is brownish and the stigma poorly visible - in johannis the membrane is hyaline and the stigma dark brown and clearly visible. B. reticulatus (legs red) & varipes (stigma brown) excluded, too.

Greetings, Eric
Edited by eklans on 06-05-2021 13:33
 
pierred
#3 Print Post
Posted on 06-05-2021 14:45
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Location: Paris (France)
Posts: 1333
Joined: 21.04.05

Thanks a lot.
Pierre Duhem
 
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18 September 2021 12:54
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16.09.21 22:24
Sorry put 5 new threads in Asilidae forum instead in Syrphidae forum, can pleas an admin move it to Syrph? THANKS, Norbert

09.09.21 07:48
https://www.jeugdb
ondsuitgeverij.nl/
product/de-vliegen
families-met-drie-
voetkussentjes/

09.09.21 07:47
wing ventation is totally different

03.09.21 12:51
Hi, what's the major difference between dolichopodidae and rhagionidae? Can someone help me? Thanks!

28.06.21 15:24
thx TO eklans

03.06.21 11:11
@Tony Irwin Thank you Tony! I've emailed you there Pfft

02.06.21 22:26
Rob - can you PM me with an e-mail address, and I'll send it over.

02.06.21 13:16
Hello chaps! Does anyone have a copy of: Revision of the willow catkin flies, genus Egle Robineau-Desvoidy (Diptera: Anthomyiidae), in Europe and neighbouring areas ?? I'd be ever so grateful! Rob

31.05.21 14:31
The part that got deleted is "longer, dark median stripe on thorax"

31.05.21 08:37
You are correct, the copula also is phragmitidis. Corrected in the Gallery.

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