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Diptera.info :: Family forums :: Syrphidae
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Dasysyrphus cf venustus
crex
#1 Print Post
Posted on 17-11-2007 14:17
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Location: Sweden
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 Location: Near Stockholm, Sweden
Date: 2007-OCT-13
Habitat: Park (Cemetary) with coniferous tree, near "water container"
Size: I'm guessing it was ~5 mm

I think this is a pupa (or maybe even a larva). I guess it could be a diptera, but as I don't know I put it here. The two "knobs" in the back reminds me of what was on the Syrphidae larvae.
crex attached the following image:


[147.47Kb]
Edited by crex on 19-11-2007 13:12
 
crex
#2 Print Post
Posted on 17-11-2007 14:18
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 Another view
crex attached the following image:


[163.9Kb]
 
crex
#3 Print Post
Posted on 17-11-2007 14:19
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 Third view
crex attached the following image:


[161.14Kb]
 
Tony Irwin
#4 Print Post
Posted on 17-11-2007 16:08
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 Dasysyrphus larva?
Tony
----------
Tony Irwin
 
crex
#5 Print Post
Posted on 19-11-2007 13:11
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 Thank you Tony! I also checked with Graham Rotheray: "Yes it is a Dasysyrphus larva, possibly venustus complex. If it had been a puparium, it would have been short, rounded and pear-shaped. Dasysyrphus larvae are usually associated with aphids on trees rather than aphids on ground level herbaceous plants."

I wonder which species is in the Dasysyrphus venustus complex?
 
pierred
#6 Print Post
Posted on 20-11-2007 07:48
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 Hello,

crex wrote:I wonder which species is in the Dasysyrphus venustus complex?


In M.P. van Veen, I read :
D. venustus and D. hilaris may be found to hide a species complex in the future.
Pierre Duhem
 
crex
#7 Print Post
Posted on 20-11-2007 08:41
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 Ahh, small complex with only two species ... so far. Thanks Pierre!
 
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