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In this case i have my doubts.... i think it may depend on lightfall and individual variability..... i think the hair is too short and sparse for flava... :-) in Spain it seems to look like this sometimes: http://www.biodiversidadvirtual.org/insectarium/Laphria-ephippium-(Fabricius-1781)-img770007.search.html

But males of ephippium do have brown hair along the hind margins of the tergites. A male flava would have much more yellowish white hair on the head and in mystax.For the rest this creature looks much too dark for flava. So, in my opinion this is a male ephippium with some lighter coloured hair on the abdomen.