Diptera.info :: Identification queries :: Diptera (adults)
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 Coenosia (?) bubble-blowing
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| Sundew |
Posted on 13-05-2008 00:01
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 Member Location: Berlin and Baden-Württemberg, Germany Posts: 3916 Joined: 28.07.07 |
Hi, Yesterday I watched a small grey fly with somewhat shadowed wing crossveins sitting on a leaf in the late afternoon. I guess it might be a Coenosia. The fly stretched its proboscis out and retracted it many times (it looked as if it was doing gymnastics), then it produced a bubble of orange fluid and sucked it in again after a short time. Afterwards it went on with proboscis stretching, and I waited for another bubble to come, but the fly got disturbed and left. - The repeated stretching of the proboscis might be a sort of pumping to bring the fluid up. Its short exposure would not allow for heating (the sun was already gone) or any special chemical reaction, I suppose. Can you confirm Coenosia? Thanks, Sundew Sundew attached the following image:  [142.22Kb] |
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| Gordon |
Posted on 13-05-2008 05:45
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 Member Location: Lake Kerkini, Greece Posts: 1099 Joined: 02.01.08 |
Interesting pictures, I am sure the same fly is here in my reserve in Northern Greece, but I am only in the first school of diptera and can not help with the ID. Gordon |
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| Stephane Lebrun |
Posted on 14-05-2008 22:18
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 Member Location: Le Havre, France Posts: 8248 Joined: 03.03.07 |
Not Coenosia, I think is's an Anthomyiid.
Stephane. |
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