Kim Taylor / Peppered moth {Biston betularia} normal and melanic forms on birch trunk. UK.

RACHEL HINGLEY / Peppered moth (Biston betularia) Monkwood NR Near Worcester

Chris Mattison / Oak beauty moth (Biston strataria) resting on lichen. Wye Valley, Monmouthshire, Wales. March, UK. Focus-stacked image.

Robert Thompson / Peppered moth (Biston betularia) camouflaged among lichens, Banbridge, County Down, Northern Ireland, June.

Robert Thompson / Peppered moth (Biston betularia) camouflaged among lichens, Banbridge, County Down, Northern Ireland, June.

David Kjaer / Peppered moth caterpillar (Biston betularia) Wiltshire, England, UK, October.

Ingo Arndt / Peppered moth (Biston betularia) camouflaged amongst lichen on tree trunk, Germany

Chris Mattison / Oak Beauty moth (Biston strataria) Monmouthshire, March.

MYN / Dirk Funhoff / Peppered moth (Biston betularia), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

Chris Mattison / Peppered moth (Biston betularia) light colour form. camouflaged, Drumnadrochit, Inverness, Scotland, August.

Cyril Ruoso / Peppered Moth (Biston betularia) caterpillar stage, France, September

Robert Thompson / Oak beauty moth (Biston strataria) The Argory Estate, (National Trust), Derrycaw, County Armagh, Northern Ireland, March 2013