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37.015 ~ 0493 ~ Coleophora serratella
UK Status

Resident. Widespread and common throughout the British Isles.

Montgomeryshire Status

Recorded at a few scattered sites across the county.

Wingspan :   M & F, 10.5-14mm.

Confusion species

It is often impossible to separate the adults of some species. In some cases differences can be seen in various life stages.
Flight time & Voltinity (Univoltine)


Wherever the foodplant is found.


Elm, birch, alder and hazel.

Lifestage data

Case-bearing/leaf miner. Eggs laid on leaf. Larva first makes a short mine ending in a blotch, this is excised to construct the case, blotch mines are formed after this. Pupates within case, attached to leaf.
Montgomeryshire photos

Photo by MDH, 21st July 2012, Llanfechain
Male, confirmed by Gen. Det. (ANG)

Photo by MW, 25th Apr 2014, Cors Dyfi
Pic shows case on birch