Lorraine Bennery / Blue underwing moth (Catocala fraxini) camouflaged on tree, Loir-et-Cher, France, October.

David Kjaer / Clifden nonpareil moth (Catocala fraxini) Wiltshire, UK

Jussi Murtosaari / Blue moth (Catocala fraxini) Lemland, Ahvenanmaa / Aland Islands Archipelago, Finland. September

Robert Thompson / Clifden nonpareil / Blue underwing moth (Catocala fraxini) camouflaged on tree trunk, southern England, UK, August

Robert Thompson / Caterpillar larva of Blue underwing moth (Catocala fraxini) UK

Andres M. Dominguez / Dead Red underwing moth (Catocala nupta) floating in river with bacterial film on surface, Los Alcornocales Natural Park, Andalusia, Spain. August.

Nick Upton / Small yellow underwing (Panemeria tenebrata) moth, nectaring on Germander speedwell (Veronica chamaedrys) flower in chalk grassland, Morgan's Hill, Wiltshire, UK. May.

Stephen Dalton / Clifton nonpareil moth (Catocala fraxini) Sussex, England, UK, September.