Occurs wherever major foodplants grow, most plentiful amongst blackthorn scrub near the coast.
The 'Pistol Case-bearers' are so named from the resemblance of their larval cases to an old flintlock pistol !
Recorded in 27 (10%) of the 270 2km squares of Huntingdonshire.
Last recorded in June 2023
Recorded date range (Adult): 13 June to 26 July
Recorded date range (Larva/Leafmine): 17 May to 30 October