The Clay, its Latin name indicating Wainscot family, is a clay-coloured moth (as The Brick is brick coloured).
The underside of the male Clay has a distinguishing thick black "V" mark. Wingspan: 35-40 mm; UK flight time: Jul-Aug.
White-point Moth
Mythimna albipuncta
The White-point moth is like a smaller, richer red version of the Clay. It is a late summer migrant to the southern UK.
Wingspan: 30-35 mm; UK flight time: usually late summer.
The Delicate Moth
Mythimna vitellina
The Delicate, its Latin name also indicating Wainscot family, is an occasional migrant to the southern/southwestern UK.
Wingspan: 36-43 mm; UK flight time: Aug-Oct.
Ingrailed Clay Moth
Diarsia mendica
The Ingrailed Clay moth, despite its English name, is more related to the Small Square-spot moth than to the Clay/Wainscot family.
Wingspan: 28-35 mm; UK flight time: Jun-Jul.