Diptera.info :: Identification queries :: Diptera (adults)
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 Clusiidae sp.
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| Ben Hamers |
Posted on 20-05-2006 18:36
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Member Location: Heerlen ( Holland ) Posts: 737 Joined: 16.12.04 |
Hello, I compared this fly with Nikita's pictures ( http://www.diptera.info/forum/viewthread.php?forum_id=5&thread_id=1670 ) and mine doesn't seem to have this dark parts on the femora (Nikita's nailed fly has neither). Is that of any importance or could it be the same species ? I saw the animal a week ago, near Heerlen. Ben Ben Hamers attached the following image:  [57.43Kb] Edited by Ben Hamers on 21-05-2012 22:03 |
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| Paul Beuk |
Posted on 20-05-2006 20:43
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 Super Administrator Location: Netherlands Posts: 19363 Joined: 11.05.04 |
Another Clusiodes. I will get on to it tonight or tomorrow morning.
Edited by Paul Beuk on 21-05-2006 06:52 Paul - - - - Paul Beuk on https://diptera.info |
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| Paul Beuk |
Posted on 21-05-2006 06:56
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Super Administrator Location: Netherlands Posts: 19363 Joined: 11.05.04 |
I cannot get further than subgenus Clusiaria with any certainty. Possibly C. (Clusiaria) apicalis or C. (Clusiaria) geomyzina (of which only the first was recorded from the Netherlands) but a dorsal view is necessary (for example for the amount of clouding on the wing) but I cannot even rule out C. (Clusiaria) ruficollis, as the thorax is not as deep black as in the specimens depicted HERE.
Edited by Paul Beuk on 21-05-2006 07:04 Paul - - - - Paul Beuk on https://diptera.info |
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| Jan Willem |
Posted on 21-05-2006 15:01
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 Member Location: Waalwijk, The Netherlands Posts: 2136 Joined: 24.07.04 |
Hi Ben and Paul, It looks like the dorsal suface of the thorax is partly "rusty brown". This would indicate that we are not dealing with apicalis/geomyzina, but with ruficollis, which both should have the thorax black (appart from white stripe in front of the wing base). I have to admit though that in comparison with the specimens of ruficollis that I have seen, it is extremely dark. I suppose you didn't collect the specimen, Ben? Jan Willem |
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| Ben Hamers |
Posted on 21-05-2006 22:29
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Member Location: Heerlen ( Holland ) Posts: 737 Joined: 16.12.04 |
Hello Jan Willem and Paul, I didn't collect the fly but I can offer a more or less dorsal view that shows the, according to you both, for Clusiodes ruficollis typical brown coloured thorax. I saw the 3 mm-fly on a dead tree trunk near a little stream (Eyserbeek). Many thanks to you both, Ben Ben Hamers attached the following image:  [62.17Kb] Edited by Ben Hamers on 21-05-2012 22:05 |
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| Paul Beuk |
Posted on 21-05-2006 22:32
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Super Administrator Location: Netherlands Posts: 19363 Joined: 11.05.04 |
That settles it: C. ruficollis. 
Paul - - - - Paul Beuk on https://diptera.info |
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