Species Details

ABH: 49.367

BF: 1236

Family: Tortricidae

Subfamily: Olethreutinae

Taxon: Pammene fasciana

=Pammene juliana

Authority: (Linnaeus, 1761)

Vernacular: Acorn Piercer

Account: Local in deciduous, especially oak, woodland, and parkland throughout much of England and Wales, where more widely distributed in the south The large, subfalcate medio-dorsal blotch, the presence of two or three sometimes contiguous black spots above the pre-tornal marking and the usually extensive series of black dashes in the ocellus are characteristic [Bradley]. Larva feeds within fruit of Sweet Chestnut and Oak, forming spongy galls, and 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 — 17 mm

Surrey Flight Period: 15 Jun (2018) — 27 Aug (2017)

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

Foodplant: Castanea sativa (Sweet Chestnut), Castanea sp., Fagus sp., Quercus petraea (Sessile Oak), Quercus robur (Pedunculate Oak), Quercus sp. (an oak).

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/pammene-fasciana/
Statistics

* Based on adult records only.

Records: 81

Individuals: 53

Earliest Year: 1996

Latest Year: 2025

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