Species Details

ABH: 2.008

BF: 12

Family: Eriocraniidae

Taxon: Eriocrania sangii

Authority: (Wood, 1891)

Vernacular: Purple Spring Jewel

Account: Local in birch woodland throughout much of Britain Day-flying. Can only be separated from E. semipurpurella 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: 26 Mar (2000) — 30 Apr (2013)

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: Local

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-sangii/
Statistics

* Based on adult records only.

Records: 51

Individuals: 17

Earliest Year: 1999

Latest Year: 2025

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