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Diptera.info :: Family forums :: Syrphidae
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Chrysotoxum cautum?
Michael Stemmer
#1 Print Post
Posted on 29-12-2012 11:47
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Location: D-53572 Unkel, Germany
Posts: 511
Joined: 06.08.06

Hello,

can this hoverfly be identified by foto? I caught it on May 10th, 2011, on the light. Location: Germany, Rhineland-Palatinum, 53572 Unkel, River Rhine valley, dry and warm habitat.

I already posted this fly 1 1/2 years ago, with another photo, but never got an answer. Perhaps this photo is better for an identification.

Thanks in advance,

Michael
 
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Michael Stemmer
#2 Print Post
Posted on 29-12-2012 11:53
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Location: D-53572 Unkel, Germany
Posts: 511
Joined: 06.08.06

WHY didn´t the upload work? there were nop spaces, dots etc. in the name.

One more try:
Michael Stemmer attached the following image:


[71.88Kb]
 
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Sundew
#3 Print Post
Posted on 03-01-2013 21:14
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Location: Berlin and Baden-Württemberg, Germany
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Joined: 28.07.07

Ch. cautum should be correct. However, a good picture of the antennae is needed to compare the length of the segments (this is the first question the key http://web.archiv...x_key.html asks). In your fly the third segment seems to equal the first and second together, which is fine for Ch. cautum. The colouring fits well, too.
Regards, Sundew
 
Michael Stemmer
#4 Print Post
Posted on 07-01-2013 07:00
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Location: D-53572 Unkel, Germany
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Thank you, Sundew! This helps me a lot.

Greetings from the river Rhine valley,

Michael
 
www.naturraum-stux.de
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