Fairly common resident.

Quercus spp. with larva feeding in July and September/October in a small mine on the underside of a leaf, usually under a lobe.

Verification Grade Comment: Mine: Reared or puparium cremasters examined.

	Mine: Moth needs to be reared and, in some cases, possibly dissected.

Recorded in 64 (46%) of 140 10k Squares.
First Recorded in 1869.
Last Recorded in 2021.
(Data up to end 2022)