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Diptera.info :: Identification queries :: Diptera (adults)
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Alliopsis silvestris
DedeLab
#1 Print Post
Posted on 12-08-2026 19:49
Member

Location: Canohès (France, Occitanie)
Posts: 269
Joined: 16.11.24

 Hello,
Could this be *Alliopsis silvestris*, please?

www.galerie-insecte.org/galerie/image/dos377/big/P8050886_DxO.jpg
ANDRE LABETAA : France : Eyne : 66800 : 05/08/2026
Altitude : 1686 m - Taille : 9 mm
Réf. : 377013

www.galerie-insecte.org/galerie/image/dos377/big/P8050884_DxO_1.jpg
ANDRE LABETAA : France : Eyne : 66800 : 05/08/2026
Altitude : 1686 m - Taille : 9 mm
Réf. : 377014

www.galerie-insecte.org/galerie/image/dos377/big/P8050883_DxO_1.jpg
ANDRE LABETAA : France : Eyne : 66800 : 05/08/2026
Altitude : 1687 m - Taille : 9 mm
Réf. : 377025
Edited by DedeLab on 19-08-2026 14:56
André LABETAA
 
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DedeLab
#2 Print Post
Posted on 19-08-2026 14:04
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Location: Canohès (France, Occitanie)
Posts: 269
Joined: 16.11.24

 Any opinion, please?
André LABETAA
 
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eklans
#3 Print Post
Posted on 19-08-2026 14:27
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Location: Franconia, Germany
Posts: 4745
Joined: 11.11.18

 My opinion: yes, male Alliopsis silvestris is correct. But I want to admit, that I have no experience with genus Alliposis...
Greetings, Eric
 
DedeLab
#4 Print Post
Posted on 19-08-2026 14:48
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Location: Canohès (France, Occitanie)
Posts: 269
Joined: 16.11.24

 Thanks a lot Eric !
Greetings
André LABETAA
 
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John Carr
#5 Print Post
Posted on 19-08-2026 18:39
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Location: Colorado, USA
Posts: 10729
Joined: 22.10.10

 Some species of Alliopsis have male and female heads similar, with narrow or broad frons. Females of species near Alliopsis sylvestris have fore tarsomeres 2-3 or 2-5 expanded.
 
http://www.flickr.com/photos/31715949@N00
DedeLab
#6 Print Post
Posted on 19-08-2026 18:55
Member

Location: Canohès (France, Occitanie)
Posts: 269
Joined: 16.11.24

 Thanks a lot, John, for those details. Is it only the females that have expanded tarsomeres? (That is the case here.)
Edited by DedeLab on 19-08-2026 18:55
André LABETAA
 
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John Carr
#7 Print Post
Posted on 19-08-2026 21:26
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Location: Colorado, USA
Posts: 10729
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DedeLab wrote:
Thanks a lot, John, for those details. Is it only the females that have expanded tarsomeres? (That is the case here.)


This is a female close to Alliopsis silvestris. I do not know the French species.

Expanded female fore tarsomeres appear here and there in the calyptrate flies. Alliopsis and Eutrichota and more in the Anthomyiidae. Many Tachinini. Expanded male fore tarsomeres are rare if they occur at all.
 
http://www.flickr.com/photos/31715949@N00
Jump to Forum:
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17.07.26 14:48
It is sad news. I read him a month ago, as he replied to me about a wrong identification. He was brilliant, as always.

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Hello Moumoule !

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Anyone has the scan of "Harkness, R. D.; Ismay, J. W. 1976: A new species of Trachysiphonella (Dipt., Chloropidae) from Greece, associated with an ant Cataglyphis bicolor (F.) (Hym., Formicidae)

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