Species Details

ABH: 65.012

BF: 1656

Family: Drepanidae

Subfamily: Thyatirinae

Taxon: Tetheella fluctuosa

Authority: (Hübner, [1803])

Vernacular: Satin Lutestring

Account: Local in broad-leaved, especially birch, woodland and heathland throughout England and Wales The main confusion species is Common Lutestring Ochropacha duplaris, which differs, for example, in the small apical dash, which originates at the apex in Common Lutestring, and some way down the costa in Satin Lutestring. Larva feeds on Silver and Downy Birch, over-wintering as a pupa.

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: 35 — 38 mm

Surrey Flight Period: 22 May (1993) — 17 Aug (2004)

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

Foodplant: Betula sp. (a birch).

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

Status: Least Concern (LC)

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/tetheella-fluctuosa/
Statistics

* Based on adult records only.

Records: 274

Individuals: 213

Earliest Year: 1903

Latest Year: 2019

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