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Diptera.info :: Identification queries :: Diptera (adults)
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Phaonia ?
Robert Heemskerk
#1 Print Post
Posted on 01-07-2006 08:14
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Location: Amsterdam, Netherlands
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hello flyreader,

Yesterday I found some of these flies, next to a forest on a bridge.
Most of the flies were females, quite big > 15 mm
Male (I guess same sp.) was smaller.

they got long arista(with hair) and the 4th vain in the wing is straight.
abdomen are yellowish/gold and legsparts are red/braun.

I think this is Phaonia, and perhabs it is Phaonia viarum?

Must be difficult sp. I think... Cool

* pictures could be different flies, they are made on the same place and time *
Robert Heemskerk attached the following image:


[73.72Kb]
 
http://robertheemskerk.nl/plaatjevandedag.htm
Robert Heemskerk
#2 Print Post
Posted on 01-07-2006 08:14
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2)
Robert Heemskerk attached the following image:


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Edited by Robert Heemskerk on 01-07-2006 08:14
 
http://robertheemskerk.nl/plaatjevandedag.htm
Robert Heemskerk
#3 Print Post
Posted on 01-07-2006 08:15
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3)
Robert Heemskerk attached the following image:


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Edited by Robert Heemskerk on 01-07-2006 08:15
 
http://robertheemskerk.nl/plaatjevandedag.htm
Robert Heemskerk
#4 Print Post
Posted on 01-07-2006 08:15
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4)
Robert Heemskerk attached the following image:


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Edited by Robert Heemskerk on 01-07-2006 08:16
 
http://robertheemskerk.nl/plaatjevandedag.htm
Robert Heemskerk
#5 Print Post
Posted on 01-07-2006 08:16
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5 This must be the male Wink
Robert Heemskerk attached the following image:


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Edited by Robert Heemskerk on 01-07-2006 08:16
 
http://robertheemskerk.nl/plaatjevandedag.htm
Nikita Vikhrev
#6 Print Post
Posted on 01-07-2006 10:35
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Location: Moscow, Russia
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Hi Robert.
By general impression fly rather looks as Anthomyiidae for me.
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
Susan R Walter
#7 Print Post
Posted on 01-07-2006 20:28
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Looks a bit chubby for Anthomyiidae to me. I think Robert is pretty close. Is that a dorsal bristle on the hind tibia? (Sorry - still not very good at determining where exactly bristles are). Wing venation and body pattern looks right to me. I think the 6th vein probably reaches the margin.

Robert - are you sure about the size though? - way too big, for Phaonia, Antho or Mydaea.

[I've edited this, because just wrote a lot of rubbish, which I have now deleted - managed to look at the wrong specimen in my collection and totally confuse myself - it's a bit chaotic in my workroom at the moment]
Edited by Susan R Walter on 01-07-2006 21:56
Susan
 
http://loirenature.blogspot.com/
Robert Heemskerk
#8 Print Post
Posted on 02-07-2006 09:50
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Thank you Nikita an Suzan for your reaction.
I knew these sp. are difficult but sometimes you have to try things..
Now I can look backwards sometimes to these pictures and comments, perhabs I learn some of it.

About the size., it was a guess and it coulb be a few mm smaller..

greetings, robert
 
http://robertheemskerk.nl/plaatjevandedag.htm
Robert Nash
#9 Print Post
Posted on 03-07-2006 10:08
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Location: Ulster Museum, Belfast, Ireland
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Let us say 12mm. wingspan. I haven't keyed it yet using what is visible of the chaetotaxy but this fly looks very like the two Phaonia viarum in our collection (Ulster Museum, Belfast Ireland). Note the microscopic eye setae, red basal antennal segments,discal vein with a slight curve forward shortly after the middle of the apical segment. All characters right for viarum as are the reddish-yellow legs, dark tarsi, and distinctive golden-yellow pollinose patterned abdomen. A heavy looking fly.Could well be Roberts perhaps (c.f.) viarum is entirely correct PfftPfft I'll look in more detail later. Robert (homonym see glossary)
 
http://www.habitas.org.uk/rnash.html
Robert Heemskerk
#10 Print Post
Posted on 03-07-2006 20:48
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And I think Phaonia viarum = Phaonia valida (Harris, 1780)

greeting, robert
 
http://robertheemskerk.nl/plaatjevandedag.htm
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