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Diptera.info :: Identification queries :: Diptera (adults)
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Tachydromia
Onmal
#1 Print Post
Posted on 27-09-2020 20:35
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Hello!
Here is a female Tachydromia from north of France (Normandy)
About 2.5mm long
If i say nothing wrong, 4 species of this genera are present in France:
Tachydromia arrogans
Tachydromia aemula
Tachydromia connexa
Tachydromia annulimana


T. arrogans feels bigger (i found a picture of a 7 mm specimen here: https://www.galerie-insecte.org/galerie/ref-68880.htm)
T. annulimana seems to have black/brown 1st femur)

Then, it might be T. aemula or T. connexa...

I know that is an hard genera on photo, but mabe someone here will be able to give a name to that fly....

Thanks a lot
Paul
Onmal attached the following image:


[86.17Kb]
Edited by Onmal on 28-09-2020 14:40
 
Onmal
#2 Print Post
Posted on 27-09-2020 20:38
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And a view of the head
Onmal attached the following image:


[77.92Kb]
 
Paul Beuk
#3 Print Post
Posted on 28-09-2020 08:33
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Tachydromia arrogans. The 7 mm reported for arrogans elsewhere must be incorrect (or perhaps with fore legs stretched in extremis and then to the tips of the wings...?).
Paul

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Onmal
#4 Print Post
Posted on 28-09-2020 14:35
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Thanks a lot!
Estimation errors are common indeed. This one might rectify our data.

Paul
 
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02 July 2025 02:37
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23.06.25 18:10
If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

23.06.25 11:18
Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys... I will keep this on my list and hope th

19.06.25 15:33
I have the hard copy book, if you have any specific queries, but I'm not scanning the 500+ pages!

02.06.25 18:26
Anyone has "Chironomidae of the Holarctic region. Keys and diagnoses. Part 3. Adult Males Entomologica Scandinavica Supplement 34"? smolwaarneming@gma
il.com

28.05.25 20:57
I have Russian Coenosia. nikita6510@ya.ru

28.05.25 12:25
Is someone able to share with me "A key to the Russian species of the genus Coenosia"?

08.05.25 18:22
I have

03.05.25 08:35
Does someone has a scan of Nartshuk E.P. 2003. Key to families of Diptera (Insecta) of the fauna of Russian and adjacent countries. Proceedings of the Zoological Institute Vol. 294: 1-252 for me?

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