This moth is quite variable with several named forms. The nominate form is very rare in the UK. The species often has a pale blotch on the dorsal area edged in black.
Birch woods and mixed woodland.
Recorded in 23 (8.5%) of the 270 2km squares of Huntingdonshire.
Last recorded in August 2018
Recorded date range (Adult): 06 July to 09 October
Recorded date range (Larva/Leafmine): 27 May to 27 May