Locally common on higher ground where the foodplant occurs.

Mines the leaves of cowberry, Vaccinium vitis-idaea, from October to April, with a second brood in July in some locations. Forms a mine on the underside which will often occupy the whole leaf, causing it to become convex on the upper surface. Mines are typically found on smaller plants growing amongst heather.

Recorded in 11 (8%) of 140 10k Squares. First Recorded in 1887. Last Recorded in 2021. (Data up to end 2022) Additional Stats

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