Seperated from Dark Arches by the faint white line on the edge of the forewing, faint dotting, and general plainer appearance.
It's a good record of a Nationally Scarce B Moth.
Crescent Striped
Musotima nitidalis
L-album Wainscot
Feathered Ranunculus
Agonopterix nervosa
Blossom Underwing
Beautiful Marbled
Lampronia fuscatella
Gravitarmata margarotana
Perittia obscurepunctella
Black-spotted Chestnut
Cydia pactolana