Robert Thompson / Two Oak beauty moths {Biston strataria} camouflaged on bark, Argory Wood Derrycaw, Co. Armagh, Northern Ireland, March

Adrian Davies / Oak beauty moth {Biston strataria} camouflaged on bark, Essex, UK.

Robert Thompson / Two Oak beauty moths (Biston strataria) resting camouflaged on tree bark, Northern Ireland, UK, March

Robert Thompson / Oak beauty moth (Biston strataria) resting on tree bark, Argory Moss, County Armagh, Northern Ireland, UK, March