Species Details

ABH: 11.003

BF: 176

Family: Psychidae

Subfamily: Naryciinae

Taxon: Dahlica triquetrella

Authority: (Hübner, [1813])

Vernacular: Narrow Lichen Case-bearer

Account: Vulnerable (proposed as a future Red Data Book species) in areas where lichens and moss are common; the distribution in Britain is imperfectly known owing to confusion with related species. In Hampshire known only from Hilsea, Portsmouth. Not recorded from the Isle of Wight to date. Male unknown, female wingless. Larva feeds on lichens growing on tree trunks, fence posts and old walls, 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:

Surrey Flight Period: —

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: pRDB2

UK BAP:

WCA:

Click here to view the full geology map of Surrey.

Verification Grade: 5 — Adults unidentifiable 😖 or pending grading 🧐
Further Information: https://www.ukmoths.org.uk/species/dahlica-triquetrella/
Statistics

* Based on adult records only.

Records: 1

Individuals: 0

Earliest Year: 2007

Latest Year: 2007

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