Crescent Dart Agrotis trux
Wingspan 35-42 mm.
A coastal species, inhabiting rocky seaside cliffs, this species occurs on the south coast of England from the Isle of Wight westwards, in parts of Wales and the Isle of Man. It has also been recorded in parts of Ireland and in Scotland.
The moth is on the wing in July and August, and can be attracted to both light and sugar.
In the wild the larvae feed on low growing seaside plants, but in confinement will eat dandelion (Taraxacum) and knotgrass (Polygonum) among others.