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Diptera.info » Family forums » Syrphidae
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Melangyna
Pia
#1 Print Post
Posted on 07-04-2008 10:14
Melangyna quadrimaculata or barbifrons? On Salix.
Who can help?
Regards Pia

Fotos: Switzerland, Wattwil SG, 750mNN, 05.April 08
 
Andre
#2 Print Post
Posted on 07-04-2008 10:16
Hard to tell from this angle. At least no quadrimaculata, because their males don't have spots on the tergites.
 
www.biomongol.org
Pia
#3 Print Post
Posted on 07-04-2008 10:17
Foto 2
 
Pia
#4 Print Post
Posted on 07-04-2008 10:19
Foto 3
 
Andre
#5 Print Post
Posted on 07-04-2008 10:33
I am sorry, I have been sleeping! This is quadrimaculata/barbifrons.
You may kick my ass for this stupid mistake... Shock
Edited by Andre on 07-04-2008 11:29
 
www.biomongol.org
Pia
#6 Print Post
Posted on 07-04-2008 10:46
Hallo Andre,

sorry, I am shure, all fotos shows the same fly.
Pia
 
Andre
#7 Print Post
Posted on 07-04-2008 11:30
See above... Sad
 
www.biomongol.org
Gerard Pennards
#8 Print Post
Posted on 07-04-2008 11:58
Let me do it! Let me do it!
Please please please?? PfftPfftPfftGrin
Greetings,
Gerard Pennards
 
Pia
#9 Print Post
Posted on 07-04-2008 16:29
Hi Andre,
hi Gerard,

so for me: Melangyna sp. (quadrimaculata/barbifrons)
Thank you for your help.
Regards Pia
 
Gerard Pennards
#10 Print Post
Posted on 07-04-2008 21:45
Hello Pia,
Well, from picture 1 it?s clearly visible that it has densely haired eyes, and picture 3 shows a black face.
Males of Melangyna barbifrons have virtually bare eyes and a black face with yellow patches, so this is clearly a male Melangyna quadrimaculata!
Greetings
Greetings,
Gerard Pennards
 
Pia
#11 Print Post
Posted on 08-04-2008 06:13
Hi Gerard,

thanks a lot for your explanation.
It's really Melangyna quadrimaculata. I'm enjoy.
Greetings Pia
 
Andre
#12 Print Post
Posted on 08-04-2008 22:06
Gerard is such a nice guy... can't have an off-day when he's around... Angry
 
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Tony, I HAD a blank in the file name. Sorry!

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Tony, thanks! I tried it (see "Cylindromyia" Wink but don't see the image in the post.

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