This species has a white forewing with a brown mark in the middle of the dorsum and a brown marking in the middle of the costa, sometimes almost meeting to form an angled fascia.
Fens, alder carrs and marshes.
Recorded in 3 (1.1%) of the 270 2km squares of Huntingdonshire.
Last recorded in July 1995
Recorded date range (Adult): 29 June to 12 August