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Can anybody tel my more about this fly...
It was teaken last summer and it was about 4 mm.

Greatings Joke

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another

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I'd say
#1 Calobata petronella
#2 Neria cibaria

Both Micropezidae.

Of course, if you are sure it's the same fly in both pictures, I may have to revise my opinion

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I realy thought they where the same

Thanks very much....I'm very happy now !!

Greatings Joke

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Isn't cibaria called Compsobata? And only ephippium called Neria? How's the nomenclature nowadays?
By the way: the first I agree, since the yellow 'shoulders' are clear to see. But I think it's too risky to name the second one.

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I agree with Dr. Kahis. First is Calobata petronella (L.), second - Neria cibaria (L.)

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No 'Dr.' please

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You should change your name to Dr. Kahis

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Here in Portugal those who have a degree are treatened as Dr. like me.
As Kahis I don't like this Dr.

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In the Checklist of Diptera is standing:
Neria=Compsobata
cibaria=cothurnata and trivialis
commutata=nigricornis
ephippium
femoralis
(And that are the fly's of the Netherlands)

And the foto's where taken by my sister and she told me that it where differend fly's, taken on differend days on a field somewere in Amsterdam.

Anybody many thanks...Joke (also from my sister Alie)

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This synonym is incorrect. N. nigricornis is a valid north boreal species.

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Indeed, it was written after the name, but I did't see it at first.
commutata=nigricornis(Zetterstedt,1838): misident.sencu auct.


Joke

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See Andersson H. (1989) Taxonomic notes on Fennoscandian Micropezidae (Diptera). Notulae Entomologicae, 69, 153-162.

As far as I know, the status of the species have not changed after this paper.

Shouldn't Paul be happy when possible mistakes are corrected