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Could someone help me identifying these fly? Can it be Dioxyna bidentis?
The photo was made near Barcelona, Catalonia (NE Spain), on august.
Thanks!

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Can be Campiglossa (=Dioxyna) sororcula as well: I see no apical scutellar setae. If you have a lateral aspect photo: completely yellow femora = bidentis, partly black femora = sororcula.

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Can, perhaps, this other pic helps?
It's the only "partial" lateral view I've...
Thanks!!

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Can it be confirmed as Dioxyna/Campiglossa bidentis, with yellow femora?
By the way: must it be named Campiglossa or Dioxyna?
Thanks

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A few years ago Ho-Yeon Han provided a molecular analysis, which has proves Dioxyna to be a part of Campiglossa, You can use any, depending on the pusrpose.