Photo taken on 11/07/15 at Kensworth, Beds.
This is one of the rarest moths I've seen, in fact only a handful had been seen in the Hertfordshire 'vice-county' before. It is a rare migrant from southern Europe, which I think is remarkable considering it is such a tiny moth (wingspan 16-18mm).
Photo taken on 11/07/15 at Kensworth, Beds.