This is the most common of the oak-feeding Phyllonorycters.
The larvae produce a small blotch mine on the underside of a leaf.
Recorded in 231 (85.6%) of the 270 2km squares of Huntingdonshire.
Last recorded in November 2021
Recorded date range (Adult): 12 April to 29 November
Recorded date range (Larva/Leafmine): 14 June to 02 December