Species Details

ABH: 49.342

BF: 1259

Family: Tortricidae

Subfamily: Olethreutinae

Taxon: Cydia fagiglandana

=Cydia grossana

Authority: (Zeller, 1841)

Vernacular: Beech Mast Piercer

Account: Common in beech and other deciduous woodland throughout much of south-east England Similar to C. splendana but differs by the more uniformly grey general appearance of the forewing, the ocellus being comparatively obscure and lacking the dark purplish coloration [Bradley]. Larva feeds within nuts of Beech, over-wintering in a cocoon.

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: 13 — 19 mm

Surrey Flight Period: 6 May (2011) — 20 Aug (2018)

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

Foodplant: Fagus sp., Fagus sylvatica (Beech).

Foodplant accounts are from the HOSTS database — Natural History Museum, London, UK. (CC0).

Status: Common

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/cydia-fagiglandana/
Statistics

* Based on adult records only.

Records: 87

Individuals: 47

Earliest Year: 1986

Latest Year: 2025

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