An uncommon resident and suspected migrant that is spreading northwards.

A species of damp woodland, fens, marshes, ditches.

Overwinters as a pupa. Adults can be seen around their foodplant and also are attracted to light.

Note the Green Oak Tortrix Totrix viridana is similar but it holds its wing much flatter and doesn't have the pale leading edge to the wing margin.

Verification Grade Comment: Photo needed away from known sites.

Recorded in 33 (24%) of 140 10k Squares. First Recorded in 1961. Last Recorded in 2024. (Data up to end 2024) Additional Stats

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