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Satin Lutestring
Tetheella fluctuosa (Hubner, [1803])
Drepanidae: Thyatirinae
1656 / 65.012
Photo © Dave Shenton

Similar Dorset Species
Common Lutestring
Ochropacha duplaris
Forewing: 17-21mm
Flight: June - August
Foodplant:   Silver and Downy Birch
Red List: Least Concern (LC)
GB Status: Common
Former Status: Local
Verification Grade:  Adult: 3

Davey, P., 2009: A local species in Britain, the larva feeding on birch (Betula spp.). In Dorset, there are just a handful of records and all appear to have been immigrants from France: Thorncombe Wood, at MV on 15 July 1997 (I Cross), Church Ope Cove, at MV on 4 July 1975 (B Goater), Stair Hole, large female at MV on 27 July 1995 (Dr P Sterling), St Ives, at MV on 14 July 1987 and on 20 July 1988 (JHC).

Care needs to be taken in identifying the Satin Lutestring as it can be mistaken for the Common Lutestring, the main difference being two discrete spots on the forewing of the latter species.

Hill, L., 2013: Common Lutestring also lacks a subapical streak.

Retained Specimen / Photograph will be Required.

Recorded in 3 (8%) of 40 10k Squares.
First Recorded in 1975.
Last Recorded in 1997.
(Data up to end 2019)

Latest 5 Records (Data up to end 2019)
Date#VC10k Area
15/07/199719SY79 - Puddletown
27/07/199519SY87 - Lulworth coast
04/07/197519SY67 - Portland / Weymouth
Further info: Tetheella fluctuosa
 
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