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View Thread :: Identification queries :: Diptera (adults)
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#1 Print Post
Posted on 08-08-2021 17:27

Location: Hamburg
Posts: 35
Joined: 07.03.11

I found this beuatiful fly close to a small brook. In the outskirts of Hamburg. There are also some rather sandy grasslands and some hedge rows and Alder trees close to the creek. (30.7.2021).
It looks like Therevidae to me. Is it possible to identify this species?
Regards, Jan
Aiwok attached the following image:

#2 Print Post
Posted on 15-08-2021 01:07

Location: Hamburg
Posts: 35
Joined: 07.03.11

Hi, I did some research on my own, and I think this might be Cliorismia rustica. Can this be confirmed?
Regards, Jan
#3 Print Post
Posted on 15-08-2021 07:48
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Location: Debrecen, Hungary
Posts: 5266
Joined: 02.03.05

I think Cliorismia female is correct. I think this is C. ardea rather than rustica, but I could be wrong.
Gabor Keresztes

Japan Wildlife Gallery
Carpathian Basin Wildlife Gallery
Teglagyar u. 30.
#4 Print Post
Posted on 16-08-2021 19:10

Location: Hamburg
Posts: 35
Joined: 07.03.11

Thanks Xespok! I wasn't aware of this similar species, so I looked for some regional checklists and found one for lower saxony, which is reasonably close to Hamburg. It seems There are just Cliorismia rustica found there with one mentioning of C. ardea from 1931 which is thought to be due to the fact that the two species hadn't been distinguished by the author. The only key feature to distinguish the two, I found so far (quick search) is for males only. Overall the species seems to be rare. There are also just few records of C. rustica in this region. I'll keep it as C. rustica with a mark for possibility of C. ardea.
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Family ? -> Therevidae - Thereva nobilitata Diptera (adults) 3 30-06-2021 17:33
Date and time
16 October 2021 01:59


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23.09.21 15:29
All sorted.

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

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"

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