Species Details

ABH: 49.343

BF: 1262

Family: Tortricidae

Subfamily: Olethreutinae

Taxon: Cydia amplana

Authority: (Hübner, [1799])

Vernacular: Rusty Acorn Piercer

Account: Rare immigrant, appearing in increasing numbers in the West Country, notably at Portland, Dorset. The first authenticated record was from South Devon in 1990 A highly distinctive and unmistakable species. Larva feeds within nuts of Oak, Hazel, Beech and Walnut.

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: 16 — 20 mm

Surrey Flight Period: 24 Jul (2018) — 22 Sep (2024)

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: Migrant

UK BAP:

WCA:

Click here to view the full geology map of Surrey.

Verification Grade: 2 — Care needed to identify 🤔
Further Information: https://www.ukmoths.org.uk/species/cydia-amplana/
Statistics

* Based on adult records only.

Records: 26

Individuals: 39

Earliest Year: 2012

Latest Year: 2024

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