Saluti,
Here photo made by Zdeněk Hyan.
On 11th June 2011 , in Czech Republic, Prague, natural monument Skalka (50°4'19.814"N, 14°21'54.617"E)
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I identified this Symphyta (Lg. ?). The author of the photo gave me the authorization to show it on our forum.
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This Symphyta looks like the species Macrophya (M.) alboannulata (see download/file.php?id=35009 ,with the Trochanters mainly white), but that of the photo of Zdenek Hyan has the Trochanters mainly black.
If we use viewtopic.php?f=375&t=38990&hilit=+macrophya , we see that the species of Zdenek Hyan is albicincta.
It is a ♀ (Tibiae 3 with white), in spite of the aspect of the apex of the Abdomen which could remind a ♂ (Tibiae 3 without white)
Thus the identification.
Ciao,
D & JP Balmer
| Allegati: |
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d'après le stigma jaunâtre 
et les taches blanches latérales de l'abdomen 
à mon avis ça ressemble plutôt à une Macrophya duodecimpunctata...