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 230 (85.2%) of the 270 2km squares of Huntingdonshire.

Last recorded in October 2020

Recorded date range (Adult): 12 April to 29 November

Recorded date range (Larva/Leafmine): 14 June to 02 December