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Photo © Neil Sherman,  Male gen.det. Purdis Farm, Ipswich 19/07/2016

Immature stages

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Coleophora argentula
Yarrow Case-bearer

(Stephens, 1834)563 / 37.102

Morley’s Final Catalogue: Not uncommon among yarrow. Ipswich, Bealings, Boyton, bred in 1932-5 (Whit.); Swefling (Bloomf.); Leiston (Grey).

Recent Status: This is a common species with records in Suffolk.

Life Style: A single brooded species that comes to light. They fly in July and August. The larvae feed on the seeds of Achillea millefolium and A. ptarmica. They hibernate before pupation the following year.

Identification: The moth is a greyish ochre with white stripes and scattered dark scales. They can be identified by genitalia dissection.
The case is a silken rough surfaced case. More Info

Determination by Genitalia Examination (gen. det.) Required

Recorded in 25 (43%) of 58 10k Squares.
First Recorded in 1932.
Last Recorded in 2021.
Additional Stats

Coleophora albicans  |  Coleophora follicularis >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
16/07/2021126TL78 - Brandon/Lakenheath
26/06/2021126TL78 - Brandon/Lakenheath
25/10/2020526TL83 - Worhouse Green
17/10/2020+26TL77 - Mildenhall
17/10/2020+26TL87 - Barnham/West Stow
Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
Express Record Coleophora argentula
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Copyright © Jim Wheeler 2021

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 9.5-13 mm
Flight: July and August
Foodplant:   Yarrow or Sneezewort
Nat Status: Common
Verification Grade:  Adult: 4  Case: C1
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2021. © James Wheeler - Norfolk Moths 2007 - 2021. Data © NOLA™ - Suffolk 2021
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