Extremely local.

Fagus sylvatica with larva feeding in July and September in a small blotch in a leaf then in a series of folds, turning the leaf edge or tip downwards. Pupates in a cocoon in an upwardly folded leaf edge.

	Determination by Genitalia Examination (gen. det.) Required

	Mine: Either the leaf or a good photograph required

Recorded in 11 (8%) of 140 10k Squares. First Recorded in 1887. Last Recorded in 2022. (Data up to end 2024) Additional Stats

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