This moth has a distinctive row of blue-centred black dots on the hindwing. The male is slightly smaller and whiter than the female.
Coastal areas, river valleys and wetland areas.
Recorded in 84 (31.1%) of the 270 2km squares of Huntingdonshire.
Last recorded in September 2018
Recorded date range (Adult): 16 May to 21 September
Recorded date range (Larva/Leafmine): 26 June to 26 June