This species has a more distinct white wedge at the tornus of the forewing than the Swallow Prominent.
Pupates in loose soil.
Woodland, heathland, moors, parks and gardens.
Recorded in 49 (18.1%) of the 270 2km squares of Huntingdonshire.
Last recorded in August 2021
Recorded date range (Adult): 05 April to 30 September
Recorded date range (Larva/Leafmine): 22 August to 19 September