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15.005 ~ 0283 ~ Caloptilia betulicola ~ Red Birch Slender
UK Status

Resident. Widespread and common throughout Britain.

Montgomeryshire Status

Discovered in the east of the county at Llanmerewig Glebe Nature Reserve in 2014.

Wingspan :   M & F 14-16mm.

Confusion species

Other species of Caloptilia can look very similar.
Flight time & Voltinity (Bivoltine)


Woodland, heathland, moorland and gardens.



Lifestage data

Leaf miner. Eggs on leaf. Larva forms epidermal mine developing into blotch, then in rolled leaf. Pupa green attached to leaf.
Montgomeryshire photos

Photo by DB, 16th July 2014, Llanmerewig Glebe. Confirmed by Gen. Det.