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37.012 ~ 0499 ~ Coleophora limosipennella ~ Dark Elm Case-bearer
UK Status

Resident. Locally common in south east England but becoming less common further north and west.

Montgomeryshire Status

Mines were found for the first time at Breidden Hill in the north-east of the county in 2010.

Wingspan :   M & F, 10-13.5mm.

Confusion species

C. milvipennis, C. alnifoliae and C. badiipennella.
Flight time & Voltinity (Univoltine)

Habitat

Woods and hedgerows with elm saplings.

Foodplant

Elm species.

Lifestage data

Leaf miner/Case-bearing. Eggs laid on leaf. Larva forms a case which from which it feeds by making large conspicuous blotches in the leaf. Pupates site unknown.
map
Montgomeryshire photos

Photo by MMG, 16th June 2018, Llanymynech
Pic shows larval case.