Species Details

ABH: 70.133

BF: 1803

Family: Geometridae

Subfamily: Larentiinae

Taxon: Perizoma alchemillata

Authority: (Linnaeus, 1758)

Vernacular: Small Rivulet

Account: Common in open woodland, woodland rides, hedgerows, chalk downland, gardens and waste ground throughout much of the British Isles The most likely confusion species is Rivulet P. affinitata, which see for differences. Larva feeds on Common Hemp-nettle and Hedge Woundwort, 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: 22 — 24 mm

Surrey Flight Period: 20 Jun (1998) — 3 Sep (1991)

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

Foodplant: Galeopsis sp.

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

* Based on adult records only.

Records: 503

Individuals: 1032

Earliest Year: 1904

Latest Year: 2025

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