Species Details

ABH: 70.109

BF: 1797

Family: Geometridae

Subfamily: Larentiinae

Taxon: Epirrita autumnata

Authority: (Borkhausen, 1794)

Vernacular: Autumnal Moth

Account: Common in open woodland, woodland rides, birch woodland, gardens and scrub throughout much of the British Isles, but problems in identifying individuals to specific status mean that all Epirrita species are under-recorded One of four very similar species of Epirrita found in the UK, which are generally separable only by dissection of the genitalia. Larva feeds on various broad-leaved trees and shrubs, including Silver Birch, Downy Birch, Alder and Heather, over-wintering as an egg.

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: 40 — 44 mm

Surrey Flight Period: 7 Oct (2010) — 8 Nov (2006)

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

Foodplant: Abies lasiocarpa (Subalpine Fir), Alnus glutinosa (Alder), Betula sp. (a birch), Picea glauca (White Spruce), Tsuga heterophylla (Western Hemlock-spruce).

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

Status: Least Concern (LC)

UK BAP:

WCA:

Click here to view the full geology map of Surrey.

Verification Grade: 3 — Difficult to identify 🤔🤔
Further Information: https://www.ukmoths.org.uk/species/epirrita-autumnata/
Statistics

* Based on adult records only.

Records: 27

Individuals: 14

Earliest Year: 1956

Latest Year: 2025

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