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Diptera.info :: Identification queries :: Diptera (adults)
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two little unknown flies
Robert Heemskerk
#1 Print Post
Posted on 21-11-2007 00:10
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Location: Amsterdam, Netherlands
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hi flyforum,

Can anyone tell me what kind of flies these are?

fly 1)
~3-4mm
Amsterdam forest - near open water

fly 2)
~5mm
Amsterdam forest - in area with reet and wet land

Robert,
Robert Heemskerk attached the following image:


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http://robertheemskerk.nl/plaatjevandedag.htm
Robert Heemskerk
#2 Print Post
Posted on 21-11-2007 00:11
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fly 2 - wingveins are obvious
Robert Heemskerk attached the following image:


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Edited by Robert Heemskerk on 21-11-2007 00:11
 
http://robertheemskerk.nl/plaatjevandedag.htm
Paul Beuk
#3 Print Post
Posted on 21-11-2007 07:23
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Top is Scaptomyza pallida of the Drosophilidae.
Bottom maybe Rhinophoridae?
Please, keep unrelated queries in separate threads. Wink
Edited by Paul Beuk on 21-11-2007 07:24
Paul

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Kahis
#4 Print Post
Posted on 21-11-2007 09:37
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The 2nd one is close to Melanomya nana (Calliphoridae).
Kahis
 
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Paul Beuk
#5 Print Post
Posted on 21-11-2007 11:23
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I think that used to be Rhinophoridae, right?
Paul

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Robert Heemskerk
#6 Print Post
Posted on 21-11-2007 19:49
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Thank you very much Kahis and Paul,

I didn't count on ID on specieslevel!
And what a small kind of Calliphoridae (Melanomya nana).

In:
http://www.nederlandsesoorten.nl/get?site=nlsr&view=nlsr&page_alias=conceptcard&cid=0AHCYFBCXNXA&q=nana
this fly is now under Calliphoridae

It was Rhinophoridae?
 
http://robertheemskerk.nl/plaatjevandedag.htm
Stephane Lebrun
#7 Print Post
Posted on 21-11-2007 19:59
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Hello,
I had asked the question and Theo had answered here.
Kahis didn't say it was Melanomyia nana, but close to.
M. nana has got open r4+5 cell as far as I know... Wink

Greetings.
Edited by Stephane Lebrun on 21-11-2007 20:00
Stephane.
 
Kahis
#8 Print Post
Posted on 21-11-2007 19:59
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Yes, it was in Rhinophoridae to (IIRC) the mid-80's.
Kahis
 
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Robert Heemskerk
#9 Print Post
Posted on 21-11-2007 23:50
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M. nana has got open r4+5 cell as far as I know... Wink


I have seen melanomyia in august 2006, on the bank on the other site of the lake Wink
What I remember was that this fly got much darkener wings and indeed open R4 +R5 cell
(see photo)

I don't think it is melanomyia, but what else?
It's a pitty I don't have more pictures..

The picture underneath, I took last year (yes I made progress in my pictures Wink)
Robert Heemskerk attached the following image:


[78.89Kb]
Edited by Robert Heemskerk on 21-11-2007 23:56
 
http://robertheemskerk.nl/plaatjevandedag.htm
Zeegers
#10 Print Post
Posted on 22-11-2007 21:36
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Number 2 is a surprising creature, I though Kahis was right, but the topcel is stalked. There is no Rhinophoridae matching this description. We can't see the abdomen, but it has to me a very Anthomyiidae - impression and I have difficulty to believe it's either Tachinidae or Rhinophoridae, I know, despite the fact that the M-vein is curved.
I'm lost


Theo
 
Tony Irwin
#11 Print Post
Posted on 23-11-2007 00:13
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I can't bear the thought of Theo "lost" Sad, so offer a suggestion that the second fly might be something like Angioneura acerba (now Calliphoridae, formerly Rhinophoridae)? I know this species normally doesn't have a petiole. Unfortunately I don't have a specimen to hand to check the other features.
Tony
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Robert Heemskerk
#12 Print Post
Posted on 23-11-2007 00:33
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(I will have a look tomorrow, and I'll try to find this little creep Wink )
 
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Zeegers
#13 Print Post
Posted on 23-11-2007 09:53
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Tony, good suggestion. I had considered it, and rejected for the reason you mention. However, Angioneura is rather rare, so maybe it's more variable than we imagine.


Theo
 
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