Species Details

ABH: 70.034

BF: 1678a

Family: Geometridae

Subfamily: Sterrhinae

Taxon: Cyclophora ruficiliaria

Authority: (Herrich-Schäffer, 1855)

Vernacular: Jersey Mocha

Account: Local in woodland on Jersey, where present since at least 1917, but not recorded on the British mainland until 19 July 2003, when a female was trapped at Portland, Dorset. Now known to be resident here and in Cornwall. On the Isle of Wight, recorded for the first time at Bonchurch in August 2008, with further records at the same site in 2010 and 2011, with Hampshire's first record coming from Stubbington, in 2013. Reflecting the similar rapid spread of Blair's Mocha C. puppillaria, which see, records have become increasing in number with a distinct upturn in 2022 and 2023, by which time the species has reached the north of the county.

Wingspan 28-32 mm. Larva feeds on Pedunculate Oak and Turkey Oak, 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: 28 — 32 mm

Surrey Flight Period: 13 Apr (2025) — 19 Sep (2025)

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

Foodplant:

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, an image may be required 🤔🤔
Further Information: https://www.ukmoths.org.uk/species/cyclophora-ruficiliaria/
Statistics

* Based on adult records only.

Records: 165

Individuals: 313

Earliest Year: 2011

Latest Year: 2025

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