The larvae feed in the bark of the foodplant, exuding red frass from crevices. The larval workings are easily found but the adults are seldom seen.
Recorded in 13 (4.8%) of the 270 2km squares of Huntingdonshire.
Last recorded in May 2020
Recorded date range (Adult): 25 May to 15 July
Recorded date range (Larva/Leafmine): 05 April to 18 July