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37.102 ~ 0563 ~ Coleophora argentula ~ Yarrow Case-bearer
UK Status

Resident. Widespread and locally abundant in southern England and Wales, also found in Central Scotland.

Montgomeryshire Status

Discovered in the east of the county at Lower Snead in 2013.

Wingspan :   M & F 9.5-13mm.

Confusion species

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


Wherever the foodplant is found.


Yarrow and sneezewort.

Lifestage data

Case-bearing. Eggs laid on the flower. Larva feeds on withering flowers and seed heads. Pupates inside the case.
Montgomeryshire photos