Species Details

ABH: 33.001

BF: 718

Family: Ethmiidae

Subfamily: Ethmiinae

Taxon: Ethmia dodecea

Authority: (Haworth, 1828)

Vernacular: Gromwell Ermine

Account: Local in woodland rides, fens and scrubland across much of southern England The pattern of large spots on a pure white ground precludes confusion with other Ethmia species and the superficially similar Yponomeuta, as well as the much larger Thistle Ermine Myelois circumvoluta. Larva feeds on Common Gromwell, living within a silken web, and over-wintering as a pupa.

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: 17 — 21 mm

Surrey Flight Period: 13 Jun (2014) — 20 Jul (2012)

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

Foodplant: Lithospermum officinale (Common Gromwell).

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

Status: Local

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/ethmia-dodecea/

Statistics

* Based on adult records only.

Records: 18

Individuals: 2

Earliest Year: 2005

Latest Year: 2024

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