Species Details

ABH: 70.137

BF: 1807

Family: Geometridae

Subfamily: Larentiinae

Taxon: Perizoma albulata

=Perizoma albulata albulata

=Perizoma albulata subfasciaria

Authority: ([Denis & Schiffermüller], 1775)

Vernacular: Grass Rivulet

Account: Local on calcareous grassland, sand-hills and coastal shingle throughout the British Isles, a species of conservation concern under the UK Biodiversity Action Plan. Local on good quality grassland, particularly on the downs, in Hampshire but quite rare in the Isle of Wight. Wingspan 20-26 mm. Paler than most Perizoma species, and lacking the two dark spots on the sub-terminal fascia of Twin-spot Carpet P. didymata. Larva feeds on seeds of Yellow-rattle, 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: 20 — 26 mm

Surrey Flight Period: 1 May (2009) — 30 Jul (2024)

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

Foodplant: Rhinanthus minor (Yellow-rattle).

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

Status: Least Concern (LC)

UK BAP: BAP(R)

WCA:

Click here to view the full geology map of Surrey.

Verification Grade: 2 — Care needed to identify, an image may be required 🤔
Further Information: https://www.ukmoths.org.uk/species/perizoma-albulata/
Statistics

* Based on adult records only.

Records: 157

Individuals: 21

Earliest Year: 1893

Latest Year: 2025

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