The female of this species is almost wingless and therefore remains on the cocoon from which she emerged.
Pupates in a cocoon attached to the food plant or a nearby wall or fence.
Parks and gardens.
Recorded in 86 (31.9%) of the 270 2km squares of Huntingdonshire.
Last recorded in August 2019
Recorded date range (Adult): 28 May to 28 October
Recorded date range (Larva/Leafmine): 06 April to 30 October
Recorded date range (Egg): 10 May to 10 May