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Diptera.info :: Identification queries :: Diptera (adults)
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Psilidae ID -> Chamaepsila luteola
Carnifex
#1 Print Post
Posted on 14-09-2018 19:32
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Location: Vienna, Austria
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Hi,

my camera just managed to focus on the mirror image, but hope ID is possible nevertheless.
Psila fimetaria?

inaturalist-open-data.s3.amazonaws.com/photos/24882717/large.jpeg
inaturalist-open-data.s3.amazonaws.com/24882721/large.jpeg

Cheers,
Lorin
Edited by Carnifex on 19-10-2022 07:19
Cheers, Lorin

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My Diptera observations (and other living forms) can be found here, and corrections or comments over there would also be appreciated.
 
Paul Beuk
#2 Print Post
Posted on 18-09-2018 10:33
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Looks quite delicate for Psila, so it might be one of the pale Chamaepsila, but difficult to say without indication of size.
Paul

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Carnifex
#3 Print Post
Posted on 19-11-2018 15:27
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I am now very confident that Paul is right in his opinion that this is a Chamaepsila species. Eye shape, apparently two dc pairs exclude Psila.

I have a species list of Chamaepsila for Austria that comprises 16 species. It doesn't include Ch. lutea (is that a valid species?) and I don't have information about the characters of Ch. andreji, so I am left with 3 species having a yellow thorax and abdomen: Ch. obscuritarsis, Ch. pallida & Ch. rufa.

I am almost certain I can see two dc pairs (which also excludes Psila), which leaves me with Ch. pallida. Also the third antennal segment is darkened, which is ok for Ch. pallida (according to HENNIG; I don't have new literature).

Is anyone with me? awkward

Cheers,
Lorin
Cheers, Lorin

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All requests are from the urban area of Vienna, if not otherwise stated.

My Diptera observations (and other living forms) can be found here, and corrections or comments over there would also be appreciated.
 
Ectemnius
#4 Print Post
Posted on 19-11-2018 18:08
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Location: The Netherlands
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Hi Carnifex,

Besides the extra pair of dorso-centrals Psila lack post-vertical bristles.

For a definitive species ID I'd need to know scutellar bristles, how many verticals (vt) are present. The ID looks to be a female C. pallida indeed. To be sure I'd have to examine the specimen...

Greetings,

Ectemnius


 
Carnifex
#5 Print Post
Posted on 30-09-2022 11:14
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ID by Jocelyn Claude
Cheers, Lorin

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All requests are from the urban area of Vienna, if not otherwise stated.

My Diptera observations (and other living forms) can be found here, and corrections or comments over there would also be appreciated.
 
Jocelyn Claude
#6 Print Post
Posted on 18-10-2022 14:04
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Hi! My apologies to all, I was completely wrong... It can't be Cha obscuritarsis either! Even if some parts of the images are blurred, there are not two pairs of sc but only one on this specimen. So we are back to the pallida group (the key of Shatalkin & Merz, 2010 applies for this group) : Mesonotum entirely yellow/Subscutellum yellow/Abdominal tergites yellow. Palpus yellow, or narrowly brownish apically/Postpedicel mainly yellow, with a darkened dorsal margin ((not yellow as pallida) + Setae on head and thorax brownish yellow (not yellow light as pallida) => Chamaepsila luteola (Collin, 1944)
 
Carnifex
#7 Print Post
Posted on 19-10-2022 07:20
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adjusted the thread title
Cheers, Lorin

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All requests are from the urban area of Vienna, if not otherwise stated.

My Diptera observations (and other living forms) can be found here, and corrections or comments over there would also be appreciated.
 
Jocelyn Claude
#8 Print Post
Posted on 21-10-2022 08:36
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Thanks Carnifex Wink
Bye
 
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