Species Details

ABH: 70.297

BF: 1665

Family: Geometridae

Subfamily: Geometrinae

Taxon: Pseudoterpna pruinata

=Pseudoterpna pruinata atropunctaria

Authority: (Hufnagel, 1767)

Vernacular: Grass Emerald

Account: Common on heathland, moorland, open woodland, scrub, shingle beaches, gravel pits, roadside verges and embankments throughout much of the British Isles The only similar species is Jersey Emerald P. coronillaria, which occurs only on Jersey and which see for differences. Larva feeds on Gorse, Broom and Petty Whin.

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: 35 — 40 mm

Surrey Flight Period: 6 Jun (1992) — 4 Sep (1989)

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

Foodplant: Cytisus scoparius (Broom), Genista anglica (Petty whin), Ulex 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: 1 — Relatively easily identified 👌

Further Information: https://www.ukmoths.org.uk/species/pseudoterpna-pruinata/

Statistics

* Based on adult records only.

Records: 215

Individuals: 111

Earliest Year: 1899

Latest Year: 2024

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