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Diptera.info :: Identification queries :: Diptera (adults)
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Gnadochaeta ID help --> (G nigrifrons?)
Mabuva2021
#1 Print Post
Posted on 16-09-2023 21:55
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Location: Lynchburg, Virginia
Date: 9/16/2023

Hello! I found this tachinid pollinating a Eupatorium serotinum plant. I found an old key and I think this may be Gnadochaeta nigrifrons. Is it possible to confirm from these images?

Link to key: https://www.biodiversitylibrary.org/page/2561906#page/129/mode/1up
Mabuva2021 attached the following image:


[45.51Kb]
Edited by Mabuva2021 on 17-09-2023 02:53
 
Mabuva2021
#2 Print Post
Posted on 16-09-2023 21:56
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Photo 2/2
Mabuva2021 attached the following image:


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John Carr
#3 Print Post
Posted on 17-09-2023 00:40
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It might be Gnadochaeta nigrifrons.

I have less confidence in Townsend's key than he had.
 
http://www.flickr.com/photos/31715949@N00
Mabuva2021
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Posted on 17-09-2023 02:53
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Thank you John!
 
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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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