Species Details

ABH: 62.042

BF: 1458

Family: Pyralidae

Subfamily: Phycitinae

Taxon: Myelois circumvoluta

Authority: (Fourcroy, 1785)

Vernacular: Thistle Ermine

Account: Common on rough ground and chalk downland throughout southern Britain. Considerable larger than the superficially similar Yponomeuta, and with fewer and larger black spots, with Y. sedella perhaps the closest match in pattern. Larva feeds on flowers and stems of Greater Burdock.

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: 27 — 33 mm

Surrey Flight Period: 23 May (2010) — 2 Aug (2008)

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

Foodplant:

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: 1 — Relatively easily identified 👌

Further Information: https://www.ukmoths.org.uk/species/myelois-circumvoluta/

Statistics

* Based on adult records only.

Records: 39

Individuals: 6

Earliest Year: 1975

Latest Year: 2020

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