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Diptera.info :: Identification queries :: Diptera (adults)
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Dilophus clavicornus Skartveit & Kaplan, 1996
Alexandru Pintilioaie
#1 Print Post
Posted on 26-10-2022 17:16
Member

Location: Romania
Posts: 916
Joined: 04.02.10

Hello, I found some specimens of this species swarming a few days ago in Romania, near the Black Sea shore. They are D. femoratus?

kladia.info/db/images_specimens/20221026/_img_20221026_181647574_20221026174059_small.jpg
Edited by Alexandru Pintilioaie on 27-01-2023 11:01
 
Zeegers
#2 Print Post
Posted on 26-10-2022 21:13
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Location: Soest, NL
Posts: 17764
Joined: 21.07.04

No, there are.
clearly three rows of spines on front tibia, so it is febrilis or similar. You would need to study the genitalia.

Theo
 
Alexandru Pintilioaie
#3 Print Post
Posted on 27-10-2022 09:37
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Location: Romania
Posts: 916
Joined: 04.02.10

Hi Theo, thanks for your message, I was thinking it's D. femoratus because of the orange front legs (they seems to be black in the other species).
Is there any available key for Dilophus/Bibionidae for Europe?
 
Zeegers
#4 Print Post
Posted on 27-10-2022 14:17
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Location: Soest, NL
Posts: 17764
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Yeap,by Jean-Paul Haenni, I guess in a Swiss Journal

Theo
 
Zeegers
#5 Print Post
Posted on 27-10-2022 14:18
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Location: Soest, NL
Posts: 17764
Joined: 21.07.04

Or Google my Dilophus borealis article, reference is in there.


Theo
 
Alexandru Pintilioaie
#6 Print Post
Posted on 27-10-2022 19:13
Member

Location: Romania
Posts: 916
Joined: 04.02.10

I was looking in that paper, but I see that the Dilophus febrilis group is characterized by 2 rows of spines on the front tibia, not 3 like in my specimen. So I am a bit puzzled with this one ... I hope the next pictures will help to ID it.

kladia.info/db/images_specimens/20221027/_page_20221027201017_small.jpg

kladia.info/db/images_specimens/20221027/800__img_20221027_204214633_20221027201025_small.jpg
 
Zeegers
#7 Print Post
Posted on 28-10-2022 07:49
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Location: Soest, NL
Posts: 17764
Joined: 21.07.04

Well, I did count the apical ones and J-P does not, so his 2 and my 3 are the same. Genitalia look OK for febrilis as well, definiely NOT femoratus.

Theo
 
Alexandru Pintilioaie
#8 Print Post
Posted on 27-01-2023 11:01
Member

Location: Romania
Posts: 916
Joined: 04.02.10

The 3 specimens that I have (including this one) were ID-ed as Dilophus clavicornus Skartveit & Kaplan, 1996, by Jean-Paul Haenni, afters examining the specimens.
New specie for Romania Smile
 
Zeegers
#9 Print Post
Posted on 27-01-2023 12:03
Member

Location: Soest, NL
Posts: 17764
Joined: 21.07.04

Nice. Head looks very peculiar.


Theo
 
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