Species Details

ABH: 2.007

BF: 13

Family: Eriocraniidae

Taxon: Eriocrania semipurpurella

Authority: (Stephens, 1835)

Vernacular: Large Spring Jewel

Account: Common in birch woodland throughout the British Isles. Fairly widely distributed in Hampshire and on the Isle of Wight, where it is the most common of the six birch feeding Eriocrania species. Wingspan 9-14 mm. Day-flying. Very similar to E. sangii, from which separated only by dissection of the genitalia. Larva mines leaves of Birch, 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: 9 — 14 mm

Surrey Flight Period: 30 Mar (2003) — 22 Apr (2007)

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

Foodplant: Betula sp. (a birch).

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/eriocrania-semipurpurella/
Statistics

* Based on adult records only.

Records: 40

Individuals: 16

Earliest Year: 1999

Latest Year: 2025

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