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Diptera.info :: Family forums :: Syrphidae
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pregnant Syrphus
Sundew
#1 Print Post
Posted on 15-02-2008 22:56
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Location: Berlin and Baden-Württemberg, Germany
Posts: 3931
Joined: 28.07.07

Hi,
Ivy (Hedera helix) flowers attract several syrphids, many Syrphus representatives among them. I remember that colouration of the hind femora is important for species discrimination, but I am not sure if these are dark enough for S. vitripennis. So please help me to learn more about the genus.
Thanks, Sundew
Sundew attached the following image:


[174.03Kb]
 
Andre
#2 Print Post
Posted on 16-02-2008 12:35
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Location: Tilburg, the Netherlands
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I think it's torvus (eyes hairy on pic 3?).
 
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Sundew
#3 Print Post
Posted on 16-02-2008 22:50
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I have lots of Syrphus pics, but only some of them seem to show very short hairs on the eyes. The two upper are magnifications of the pics given above, the two lower are from another individual. This feature makes my camera meet its limits...
Regards, Sundew
Sundew attached the following image:


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amalia_raluca
#4 Print Post
Posted on 17-02-2008 16:37
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I agree with torvus.
Amalia
 
Andre
#5 Print Post
Posted on 17-02-2008 20:39
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Best time to find torvus, to my opinion, is early spring, when this species is quite abundant, but the other two less abundant.
 
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Sundew
#6 Print Post
Posted on 17-02-2008 21:41
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The pics are from 1st October!
Sundew
 
Andre
#7 Print Post
Posted on 18-02-2008 16:36
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I didn't mean to say that torvus cannot be found by the 1st of october Grin
But early spring is soon! Wink
 
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