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Diptera.info :: Family forums :: Syrphidae
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Melanostoma sp. or Platycheirus sp. ?
Stephen
#1 Print Post
Posted on 19-09-2006 00:26
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Location: West Virginia USA
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This was not a good day for the poor Syrphid, who crossed paths with a Jumping Spider.

Looking at Internet pictures, my best effort at determining the genus of this fly was either Melanostoma or Platycheirus. ID help would be appreciated.

I found these two along the bank of a stream, in an area with woods and meadows both. West Virginia USA, 9 May 2005. Length not recorded.
Stephen attached the following image:


[128.74Kb]
--Stephen

Stephen Cresswell
www.americaninsects.net
 
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conopid
#2 Print Post
Posted on 19-09-2006 09:24
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Location: United Kingdom
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Hi
I don't think it is Melanostoma or Platycheirus as it appears to have a yellow scutellum (all Bachinae have black scutellums). It is one of teh Syrphinae, but I can't suggest any better than that as I only know the UK fauna.

Cheers
Nigel Jones, Shrewsbury, United Kingdom
 
Stephen
#3 Print Post
Posted on 19-09-2006 09:53
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Thanks for your help, Nigel. I'm adding one more photo, from a slightly different angle, that shows a wing better, and better shows the center of the dorsal surface of the abdomen.
Stephen attached the following image:


[74.4Kb]
--Stephen

Stephen Cresswell
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Gisela Merkel-Wallner
#4 Print Post
Posted on 19-09-2006 22:03
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Location: Germany, Bavaria, Oberpfalz
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Hello,

for me it looks like a kind of Parasyrphus sp.

Gisela
 
Stephen
#5 Print Post
Posted on 20-09-2006 17:17
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Location: West Virginia USA
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Thanks very much, Gisela!
--Stephen

Stephen Cresswell
www.americaninsects.net
 
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conopid
#6 Print Post
Posted on 20-09-2006 18:58
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Yes I would go with Parasyrphus or Melangyna if in Europe. Don't know whar else you get in N America?
Nigel Jones, Shrewsbury, United Kingdom
 
Gerard Pennards
#7 Print Post
Posted on 20-09-2006 22:32
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Location: Amersfoort
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Hmmm,
Well, if you ask me I would vote for one of the American Syrphus species!
Greetings
Greetings,
Gerard Pennards
 
Stephen
#8 Print Post
Posted on 21-09-2006 12:49
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Location: West Virginia USA
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Nearctic genera of subfamily Syrphinae are: Paragus, Toxomerus, Baccha, Xanthandrus, Melanostoma, Platycheirus, Chrysotoxum, Syrphus, Epistrophe, Eupeodes, Ocyptamus, Pseudodoros, Allograpta, Sphaerophoria. This is from Arnett, American Insects, 2000.
--Stephen

Stephen Cresswell
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