This is an unusual and striking moth with a large pale cream blotch on each wing tip.
The species creates the illusion it is just a dead and peeling piece of birch or oak stem when at rest, so fooling its predators into thinking it is not edible!
Know as the Moon Bird in Germany.
Recorded in 68 (99%) of 69 10k Squares.
First Recorded in 1834.
Last Recorded in 2020.