Species Details

ABH: 37.102

BF: 563

Family: Coleophoridae

Taxon: Coleophora argentula

Authority: (Stephens, 1834)

Vernacular: Yarrow Case-bearer

Account: Common on waste ground and rough grassland, and by ditches and freshwater margins, throughout much of southern England, Wales and central Scotland. In south Hampshire, cases are common to abundant on yarrow, especially near the coast, but recorded less frequently in the north and on the Isle of Wight. Wingspan 9.5-13 mm. More frequently recorded in the larval stage, when the cases are fairly easy to find where they are present; the imago can be separated from several very similar Coleophora species only by dissection of the genitalia. Larva feeds on flowers and seedheads of Yarrow and Sneezewort, living within a movable case; case length 5-6 mm.

Accounts provided by and used with the kind permission of Mike Wall, Hampshire County Moth Recorder. These will in due course be gradually replaced with species accounts with a Surrey context.

Wingspan: 9.5 — 132 mm

Surrey Flight Period: 26 Jul (2020) — 26 Jul (2020)

The flight period of overwintering adults are not given. See the flight chart below the distribution map.

Foodplant: Achillea sp.

Foodplant accounts are from the HOSTS database — Natural History Museum, London, UK. (CC0).

Status: Common

UK BAP:

WCA:

Click here to view the full geology map of Surrey.

Verification Grade: 4 — ️‼️Dissection required️‼️
Further Information: https://www.ukmoths.org.uk/species/coleophora-argentula/
Statistics

* Based on adult records only.

Records: 28

Individuals: 3

Earliest Year: 1998

Latest Year: 2024

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