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Diptera.info :: Identification queries :: Diptera (adults)
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Ulidiidae -> Euxesta pechumani
Carnifex
#1 Print Post
Posted on 26-06-2019 23:18
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Location: Vienna, Austria
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Joined: 23.06.15

Hi, could this be Euxesta? Found today in my garden in Vienna.

static.inaturalist.org/photos/43159854/large.jpeg
static.inaturalist.org/photos/43159840/large.jpeg
Edited by Carnifex on 28-06-2019 10:27
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.
 
Carnifex
#2 Print Post
Posted on 27-06-2019 10:54
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Location: Vienna, Austria
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I guess if the genus is correct it can only be E. pechumani - an introduced species from America?

Edit: Just found out that fauna-eu is out of date regarding that genus. In a 2018 publication, E. notata was described from Lower Austria. I have a male, so what are the distinguishing features here?
Edited by Carnifex on 27-06-2019 11:09
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.
 
John Carr
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Posted on 27-06-2019 11:19
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I think Euxesta pechumani is correct. The dark crossband is supposed to be shorter in E. notata.
 
http://www.flickr.com/photos/31715949@N00
Nosferatumyia
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Posted on 27-06-2019 12:32
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I do agree with John, it is pechumani,

Males, however, have some variation of the wing pattern, and we have both pechumani and notata throughout Central Europe.
Females of E. notata clearly differ in the golden yellow tergite 5 (whereas in pechumani it is dark brown and greenish subshining)

Val
 
Carnifex
#5 Print Post
Posted on 27-06-2019 16:58
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Location: Vienna, Austria
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Thanks for the confirmation. That would mean I found a new species for Austria in my garden :-)
Female would have been easy, how do the males differ? Here another photo, not in situ this time...

static.inaturalist.org/photos/43225700/large.jpg
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.
 
John Carr
#6 Print Post
Posted on 28-06-2019 01:50
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According to the original description, the dark spot closer to the base of the wing is larger in Euxesta pechumani than in E. notata.

In the northeastern United States E. notata is common. I have never seen E. pechumani and photos are much less common. In Europe the ratio seems to be more even.
 
http://www.flickr.com/photos/31715949@N00
Carnifex
#7 Print Post
Posted on 28-06-2019 10:26
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Location: Vienna, Austria
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Thanks! TumbsUp
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.
 
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