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Diptera.info :: Identification queries :: Diptera (adults)
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Chloropidae? -> Oscinisoma cognatum
ole
#1 Print Post
Posted on 19-02-2013 01:13
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Perhaps Oscinella?
found at the stream edge in grass today.

Thanks in advance, Ole
ole attached the following image:


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Edited by ole on 28-11-2016 13:23
 
ole
#2 Print Post
Posted on 19-02-2013 01:14
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more pict
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ole
#3 Print Post
Posted on 19-02-2013 01:14
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-
ole attached the following image:


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Sara21392
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Posted on 19-02-2013 15:47
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I think you are true But need confirming Terry for sure!
Sincerely yours
Sara
 
ole
#5 Print Post
Posted on 19-02-2013 20:00
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Thank you for now, Sara
Then I hope someone will confirm Smile

Sincerely yours
Ole
 
von Tschirnhaus
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Posted on 03-05-2013 22:41
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Oscinisoma cognatum (Meigen, 1830), Chloropidae. The three species O. germanicum (Duda, 1932), O. gilvipes (Loew, 1858), and O. cognatum are extremely difficult to distinguish. The image shows a shining humeral callus (= shoulder), a largely dark gena, a slightly flattened thorax, a wing only slightly longer than the abdomen, a completely yellow hind tibia, a frons darkened aside of the ocellar triangle, an ocellar triangle very long and with pollen (= pubescence) only aside and in front of the ocelli, a triangle not touching the eye margin, about ¾ width of the frons between the eyes, tergites glabrous, wing membrane partly yellowish, R4+5 apically slightly divergent with M1+2. All these characters here observable are not sufficient but typical for a distinction after the unpublished study (of much material including the types of gilvipes and germanicum) by M. von Tschirnhaus.
This is a typical species of the genus Oscinisoma Lioy, 1864 (Chloropidae, Oscinellinae), partly wrongly spelled Oscinosoma. The mesonotum (= scutum) is slightly depressed and not smooth but it has a rough surface.
The adults prefer the stratum close to the soil between Carex tussocks, running ant-like and living together with the raptorious Stilpon spp. (Hybotidae).
Edited by von Tschirnhaus on 30-05-2013 18:20
 
http://www.uni-bielefeld.de/biologie/sammlung/inde
ole
#7 Print Post
Posted on 10-05-2013 23:40
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Thank you very much for your kind explanations!
Seems to fit the biotopes as well.

Ole
 
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