Diptera.info :: Identification queries :: Diptera (adults)
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 (ID: Coenosia) Predatory Muscidae(?) from USA 2007-IX-7
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| John Carr |
Posted on 12-02-2011 03:39
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 Member Location: Massachusetts, USA Posts: 9919 Joined: 22.10.10 |
At night, eating a midge attracted to light, Massachusetts, USA, September 7 2007.
John Carr attached the following image:  [122.27Kb] Edited by John Carr on 20-02-2011 17:52 |
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| Nikita Vikhrev |
Posted on 12-02-2011 11:08
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 Member Location: Moscow, Russia Posts: 9233 Joined: 24.05.05 |
Coenosia tigrina-group
Nikita Vikhrev - Zool Museum of Moscow University |
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| John Carr |
Posted on 21-05-2011 02:00
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Member Location: Massachusetts, USA Posts: 9919 Joined: 22.10.10 |
After more resarch I found this must be Coenosia tigrina itself and not another member of the group. Two other species are known from North America. The three species can be distinguished by color. C. humilis has all dark femora in both sexes. C. attenuata females have dark femora and are distinctly smaller. C. attenuata males have pale femora. All are believed to be introduced from Europe, probably in soil. |
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but don't see the image in the post.
