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Diptera.info :: Family forums :: Syrphidae
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Orthonevra spec (NL)
Bert de Ruiter
#1 Print Post
Posted on 20-05-2017 06:14
Member

Location: Emmen, Drenthe, Netherlands
Posts: 25
Joined: 16.09.16

Goodmorning all,

Two weeks ago I visited the area of the "Haaksbergerveen", one of the last boglands in the Netherlands. At the edge of a half natural grassland, I discovered this female Orthonevra spec. I can´t figure out which species this is.

There are five Orthonevra´s registered for the Netherlands being O. brevicornis, O. geniculata, O. intermedia, O. nobilis & O. plumbago.

I skipped O. intermedia of my list because it has black yellow legs. Also skipped O. plumbago because over the last ten years it has only been reported once in the outher south of our country.

So I narrowed it down to three. Unfortunately I can´t find a good key to tell which of those three I´m dealing with.

Any suggestions?
Bert de Ruiter attached the following image:


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Edited by Bert de Ruiter on 20-05-2017 08:04
 
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Bert de Ruiter
#2 Print Post
Posted on 22-05-2017 11:59
Member

Location: Emmen, Drenthe, Netherlands
Posts: 25
Joined: 16.09.16

Recently learned that this might not be an Orthonevra spec., but probably a Chrysogaster virescens.

I was on the wrong track.
 
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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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