The adults of this species are very similar to the Copper Underwing. It is possible to distinguish the two species with reference to the underside of the hindwing.
Pupates in loose soil.
Woodland, scrub, hedgerows, gardens and parks.
Recorded in 62 (23%) of the 270 2km squares of Huntingdonshire.
Last recorded in September 2021
Recorded date range (Adult): 04 July to 09 October
Recorded date range (Larva/Leafmine): 14 May to 14 May