You had to be there, really!
No, the common fritillary that takes one a bit by surprise in the Pyrenees is false heath (
M. diamina), and that is what this is. It is form
vernetensis - much more open and orange than most places in Europe and generally much more like heath fritillary. The underside is also more like that of heath frit, lacking the characteristic black blobs.
This is a typical false heath fritillary from the Alps:
This is one from the high Pyrenees:
And this is a still more 'open' one (usually, the black discal marks in s1 are fused into one):
To add to the confusion, meadow fritillary,
M. parthenoides, flies in the same areas!
Thanks to you both for playing! I hope it was fun!
Guy