Light Arches Apamea lithoxylaea
([Denis & Schiffermüller], 1775)
Wingspan 43-50 mm.
Fairly common throughout most of Britain, this species responds to light to a certain extent , but is more frequent at sugar.
The flight period is between June and August, and the moth inhabits dry pastures and similarly grassy places.
The larvae feed on a number of grasses, on the stems and roots.