The males of this species are slightly smaller and darker than females. Both sexes have white hindwings.
Marshes, fens and other wet habitats.
Recorded in 83 (30.7%) of the 270 2km squares of Huntingdonshire.
Last recorded in September 2023
Recorded date range (Adult): 10 June to 13 October
Recorded date range (Larva/Leafmine): 12 July to 12 July