Species Details

ABH: 7.004

BF: 144

Family: Adelidae

Subfamily: Adelinae

Taxon: Nemophora fasciella

Authority: (Fabricius, 1775)

Vernacular: Horehound Longhorn

Account: Nationally scarce (Na) in dry pastures and on waste ground in parts of southern and eastern England, north to Lancashire, a priority species under the UK Biodiversity Action Plan. Recorded once in Hampshire, at Magdalen Hill Down in 2015. Wingspan 13-16 mm. Combination of bronze forewing with purple median fascia is unique amongst the Adelinae. Larva feeds on seeds of Black Horehound, subsequently feeding in the fallen leaves, living within a movable case.

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 — 16 mm

Surrey Flight Period: 14 Jun (2009) — 5 Jul (2009)

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

Foodplant: Ballota nigra (Black Horehound).

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

Status: Nationally Scarce A

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/nemophora-fasciella/
Statistics

* Based on adult records only.

Records: 6

Individuals: 0

Earliest Year: 1998

Latest Year: 2011

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