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Diptera.info :: Identification queries :: Diptera (adults)
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Haematopota
Isidro
#1 Print Post
Posted on 05-08-2023 06:54
Member

Location: Zaragoza, Spain
Posts: 2088
Joined: 26.04.07

Locality: Bergen, Norway
22th July
On the side of a road, zone with gardens
I've found a work about Norwegian horseflies and tried to identify myself http://www.entomologi.no/journals/nje/2014-2/pdf/nje-vol61-no2-219-264-falck.pdf
I interpret that the first antennal segment is short, black, polished and with no constriction
But I'm lost at the point 4 of the key. The dichotomy leads to two paths that are not exclusive of each other:

"4. Antennal segment 1 black, all femora blackish-grey. Abdomen with distinct, but rather small grey sublateral spots on
tergite 3 to 7, sometimes small spots also on tergite 2 .................................................. H. subcylindrica Pandellé, 1883
- Frons always higher than broad, antennal segment 1 not constricted, antennae polished ............................................... 5"

So both paths of the key can be applied to the specimen
Any help? Thanks!

i.ibb.co/9GsRSnq/Haematopota-1-22-7-23-Bergen.jpg
i.ibb.co/cXTmz8s/Haematopota-2-22-7-23-Bergen.jpg
 
Zeegers
#2 Print Post
Posted on 05-08-2023 19:05
Member

Location: Soest, NL
Posts: 18976
Joined: 21.07.04

If your quote it correct, it is a strange key.
Anyhow, green colouration clearly indicates pluvialis.

Theo
 
Isidro
#3 Print Post
Posted on 05-08-2023 21:00
Member

Location: Zaragoza, Spain
Posts: 2088
Joined: 26.04.07

Thanks! If it's pluvialis I misinterpreted one step of the key, as the first antennomere seemed to be not constricted to me, but pluvialis have it :-)
 
Zeegers
#4 Print Post
Posted on 06-08-2023 08:10
Member

Location: Soest, NL
Posts: 18976
Joined: 21.07.04

What can I say ?

Buy the book !

https://www.veldshop.nl/nl/families-of-flies-with-three-pulvilli.html
 
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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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