This is one of several very similar moths which can be difficult to separate. It is quite variable in size. The dark markings on the forewing often form the shape of a cross.
It can sometimes be found at rest by day on tree-trunks, seeming to prefer oak.
Woodland, grassland, heathland, scrub and fens.
Recorded in 130 (48.1%) of the 270 2km squares of Huntingdonshire.
Last recorded in June 2023
Recorded date range (Adult): 11 April to 17 October
Recorded date range (Larva/Leafmine): 12 July to 12 July