Fairly common resident.

Betula spp. with larva feeding in May and July initially in a blotch in a leaf and then in cones made by transversely rolling the leaf. Adults cannot reliably be separated from C. elongella except by genitalia examination.

	Determination by Genitalia Examination (gen. det.) Required

	Mine: Either the leaf or a good photograph required

Recorded in 58 (41%) of 140 10k Squares. First Recorded in 1927. Last Recorded in 2022. (Data up to end 2022) Additional Stats

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