This species is very similar to the more common Lesser Broad-bordered Yellow Underwing although it usually has a broader black border on the upperside of the forewing that extends along the leading edge. It has only been regarded as a distinct species since 1991.
Very little is known about their life-cycle in the UK.
It flies from July to September
Size and Family
Family – Darts, yellow underwings, clays and allies (Noctuinae)
- Wingspan Range – 35mm
UK BAP: Not listed
Immigrant and probable colonist
Caterpillar Food Plants
Unknown in Britain.
Unknown in Britain
Countries – England
This species was first recorded in Britain in 2001, with most records coming from southern coastal counties. It is likely that it is now breeding in parts of southern England.