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Diptera.info :: Identification queries :: Diptera (adults)
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Psila ID
Carnifex
#1 Print Post
Posted on 14-09-2018 20:32
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Location: Vienna, Austria
Posts: 595
Joined: 23.06.15

Hi,

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

static.inaturalist.org/photos/24882717/large.jpeg
static.inaturalist.org/photos/24882721/large.jpeg

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.
 
Paul Beuk
#2 Print Post
Posted on 18-09-2018 11:33
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Location: Netherlands
Posts: 16883
Joined: 11.05.04

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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Location: Vienna, Austria
Posts: 595
Joined: 23.06.15

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
Member

Location: The Netherlands
Posts: 645
Joined: 22.11.11

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


 
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