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Well, to be honest, I just do not know. The fact that the head is so well visible, rather than partly hidden under the thorax is a strong argument agains Chironomidae. The first antennal segment seems to be swollen and that is usually an indicator that it is one of the groups with (semi-)aquatic larvae. Because of the shape of the head I am inclining towards the Ceratopogonidae (again) but I have no definite charcters for that.
Since this may well be a species adapted to boreoalpine conditions, it can be rather aberrant from the usual species of its family. I guess it will too much to ask if you collected it...