Species Details

ABH: 70.037

BF: 1681

Family: Geometridae

Subfamily: Sterrhinae

Taxon: Cyclophora linearia

Authority: (Hübner, [1799])

Vernacular: Clay Triple-lines

Account: Local in beech woodland, hedgerows, parks and gardens throughout England and Wales A pitfall for the unwary, with two distinct forms; first brood most closely resembles Maiden's Blush C. punctaria, in which antemedian and postmedian lines usually reduced to a row of spots, wings irrorate, and forewing variably flushed red; second brood most closely resembles Blair's Mocha C. puppillaria, but lighter, with wing tip less distinctly hooked. Larva feeds on Beech, 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: 26 — 33 mm

Surrey Flight Period: 30 Apr (2025) — 23 Sep (2024)

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

Foodplant: Fagus 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/cyclophora-linearia/
Statistics

* Based on adult records only.

Records: 366

Individuals: 314

Earliest Year: 1893

Latest Year: 2025

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