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Diptera.info :: Identification queries :: Diptera (adults)
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ID Requested
victorengel
#1 Print Post
Posted on 07-04-2021 04:39
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inaturalist-open-data.s3.amazonaws.com/photos/119429338/original.jpg

Almost right away when I posted this to iNat, I got a suggestion that it was Boreothrinax. Indeed, that's what it looks like, but it's much bigger than B. maculipennis, which I get regularly. Could it be Sphecomyiella? Here's a rough comparison of the size of this fly compared to B. maculipennis.

inaturalist-open-data.s3.amazonaws.com/photos/119432225/original.png
 
Tony Irwin
#2 Print Post
Posted on 07-04-2021 09:26
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It would be helpful to know where this fly was found.
Tony
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Tony Irwin
 
victorengel
#3 Print Post
Posted on 07-04-2021 13:39
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Sorry - Austin, Texas, USA
 
victorengel
#4 Print Post
Posted on 07-04-2021 13:41
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My guess is Sphecomyiella valida.
Edited by victorengel on 07-04-2021 17:29
 
Tony Irwin
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Posted on 07-04-2021 16:45
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S. valida looks to be a good match, but I'm no expert in this family, so best to wait for another opinion.
Tony
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Tony Irwin
 
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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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