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Hello Rui,

unfortunately, my book only contains genitalia for D. europaea.
Of your list, I think that only Dictyophara lindbergi is similar to europaea.
I will try to dig up some info about lindbergi versus europaea.

I don't know about validicornis and seladonica. The others are not possible based upon length of the head. Maybe someone else can offer an opinion. Meantime, i will also look at my europaea specimen.

Best wishes,
John