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4.01 ~ 0111 ~ Stigmella microtheriella
UK Status

Resident. Widespread and common throughout Britain.

Montgomeryshire Status

A good scattering of records from across the county.

Wingspan :   M & F, 3-4mm.

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.


Hazel and hornbeam.

Lifestage data

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

Photo by MW, 31st July 2011, Cors Dyfi
Mine showing central frass line.

Photo by DB, 18th Sept 2011, Middletown