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37.033 ~ 0516 ~ Coleophora trifolii
UK Status

Resident. Found throughout England and Wales, local in the north, more common in the south.

Montgomeryshire Status

First discovered in the east of the county at Middletown in 2011.

Wingspan :   M & F, 15-20mm.

Confusion species

Care should be taken as other species of Coleophora can look very similar.
Flight time & Voltinity (Univoltine)


Rough grassland and waste ground.


Ribbed or tall melilot.

Lifestage data

Case-bearing/seed miner. Eggs laid on flower. Larva first mines seeds in seedpod, the empty seedpod is then used as a case, from which other seedpods are mined. Pupates within case, attached to debris on ground.
Montgomeryshire photos

Photo by DB, 7th June 2011, Middletown

Photo by DB, 7th June 2011, Middletown

Photo by PRW, 16th July 2015, Commins Coch