Hi LiL,
Funnily enough I think I saw your one in my garden last night. I often go out with a torch and at 12am I saw this.
ADAM: If it IS Amblyptilia acanthadactyla, then it could be from the July generation, given it's a little worn? Though I did see it last year...
...and it seemed as if the legs were dotted white and lightly brown...