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Diptera.info :: Identification queries :: Diptera (adults)
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Cylindromyia -> C. intermedia ♀
Carnifex
#1 Print Post
Posted on 01-10-2022 08:25
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Location: Vienna, Austria
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I am not sure whether there are pv bristles present (first step in the Tschorsnig key),
but assuming there are, I would be left with intermedia vs. auriceps.

Fore tarsus widened and with a comb of spines (pro intermedia), but there are discal bristles on the abdomen (pro auriceps)

Vienna, late September

inaturalist-open-data.s3.amazonaws.com/photos/233222917/large.jpeg
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Edited by Carnifex on 01-10-2022 10:23
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.
 
Zeegers
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Posted on 01-10-2022 09:31
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Location: Soest, NL
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Discals ? Where ?
Further: it is a female, and ventral spines are lacking, hence intermedia. The long third antennal segment supports this.

Theo
 
Carnifex
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Posted on 01-10-2022 10:22
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Discal bristles: bristles in the dorsal area of the tergites well away from its posterior edge

On tergite1+2, the dorsal bristles seem to be well away from the posterior edge (comparing to the lateral bristle)

With that terminal structure, I would not have assumed it could be a female Shock

.
Edited by Carnifex on 01-10-2022 10:23
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
#4 Print Post
Posted on 01-10-2022 12:50
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Location: Massachusetts, USA
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Carnifex wrote:
Discal bristles: bristles in the dorsal area of the tergites well away from its posterior edge

On tergite1+2, the dorsal bristles seem to be well away from the posterior edge (comparing to the lateral bristle)

.


That placement is normal in Cylindromyia. In Tachinidae discal bristles are never or nearly never present on a segment without marginal bristles. I can not say how much of this is insect physiology and how much of this is human psychology ("we'll call this pair marginal even though they are not on the margin of the tergite").
 
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