37.066 BF526

Larch Case-bearer Coleophora laricella

(Hübner, [1817])

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Wingspan 8-10 mm.

A common species in suitable habitat throughout most of the British Isles, the larvae feed on the needles of European larch (Larix decidua).

When occurring in large numbers, entire trees can be damaged, the needles turning pale as the larvae eat them from within. A number of cases are built as the larvae grow, often in the centre of a floret of needles.

The adults fly in June and July and are attracted to light.