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Diptera.info :: Identification queries :: Diptera (adults)
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black Stratiomyid - Beris?
Sundew
#1 Print Post
Posted on 09-05-2009 21:17
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Location: Berlin and Baden-Württemberg, Germany
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Hi,
Recently we had an interesting discussion about black flies with big eyes (Bicellaria, Hybotidae versus Ptiolina, Rhagionidae), and I was sure to have one of them in front of my camera lens today. On the big screen, however, I saw that neither swollen hind tarsi nor antennae match. Also the thorax is not thus bulging. Instead, the fly looks like a Beris of Stratiomyidae. So can possibly B. chalybata be confirmed? Many thanks for help,
Sundew
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Sundew
#2 Print Post
Posted on 11-05-2009 16:39
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No Stratiomyid experts among us?
 
Paul Beuk
#3 Print Post
Posted on 11-05-2009 19:11
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Beris chalybata is correct.
Paul

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Paul Beuk on https://diptera.info
 
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Sundew
#4 Print Post
Posted on 11-05-2009 19:23
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Fine - thanks, Paul! The males obviously have much darker wings than the females.
Regards, Sundew
 
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