This is the most common member of this oak-feeding group.
The larvae create a long slender gallery mine that widens markedly compared with S. atricapitella.
Recorded in 73 (27%) of the 270 2km squares of Huntingdonshire.
Last recorded in November 2021
Recorded date range (Adult): 09 May to 23 September
Recorded date range (Larva/Leafmine): 24 June to 04 December