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Diptera.info :: Identification queries :: Diptera (adults)
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Chorisops to ID
kristobal21
#1 Print Post
Posted on 20-10-2013 08:27
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I found this one in the East of France in mid-october. Is it possible get an ID at the species level ? (Chorisops nagatomii ?).
kristobal21 attached the following image:


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Edited by kristobal21 on 20-10-2013 08:29
 
kristobal21
#2 Print Post
Posted on 20-10-2013 08:28
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Side view.
kristobal21 attached the following image:


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Ectemnius
#3 Print Post
Posted on 20-10-2013 11:55
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Hello Kristobal,

The specimen show here is indeed a female Chorisops nagatomii. Nice find!

Greetings,

Ectemnius
 
kristobal21
#4 Print Post
Posted on 20-10-2013 19:11
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Thank you !
 
Paul Beuk
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Posted on 21-10-2013 12:40
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Based on distribution nagatomii is kmost likely, but there are two other European species that are very similar of which the distribution is not very well known. They have been recorded from the Mediterranean but how far to the north they might occur...?
Paul

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Ectemnius
#6 Print Post
Posted on 29-10-2013 15:24
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Hello,

There are, in the updated Italian checklist, three species strongly resembling C. nagatomii, they are: C. tunisiae, C. masoni and C. caroli.
The updated checklist also gives a key to separate them. However, apart from C. tunisiae, they are only distinguishable by examining the genitaliae. Also in females. If you want a positive identification, you would have to collect specimens. I can make the paper (Mason, F. 2013. Updated Italian checklist of Soldier Flies (Diptera, Stratiomyidae)) available to you (or anyone else) if you'd pm me.

Greetings,

Ectemnius
 
Paul Beuk
#7 Print Post
Posted on 29-10-2013 21:55
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The paper is freely available on the net (there is a link in the forum, I think) but the key is seriously flawed by wrong references to figures and some unclear features used that are not visible in the relevant figures.
Paul

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