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4.005 ~ 0110 ~ Stigmella betulicola ~ Common Birch Pigmy
UK Status

Resident. Widely distributed and locally common.

Montgomeryshire Status

Only recorded from the western edge of the county.

Wingspan :   M & F, 4-5mm.

Confusion species

Many species of Stigmella are similar. A good way of separating them is to examine the type of leaf-mine in the foodplant.
Flight time & Voltinity (Bivoltine)


Wherever the foodplant is found, especially in heathy places.



Lifestage data

Leaf miner. Eggs are laid on the underside of the leaf. Larva forms a contorted gallery. (Mines of some species are similar, care is required with identification).
Montgomeryshire photos