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Scythris potentillella
Sorrel Owlet (Zeller, 1847)
920 / 43.006
Photo © Bob Heckford,  Icklingham, Suffolk 2015 (bred)

Similar Norfolk Species
Sand Owlet
Scythris cicadella
Wingspan: 8-11mm
Season: June - July
Foodplant:   Common Sorrel, Sheep's Sorrel
Nat Status: pRDB1
Verification Grade:  Adult: 4
Norfolk Status

Very similar to dark examples of S. cicadella, from which separated only by dissection of the genitalia.

New for Norfolk in May 2014 when a larva collected by S. Beavan at East Wretham Heath (Langmere) was confirmed by Professor T. Baran in Poland.
(In 2005 Baran published The Scythrididae (Lepidoptera: Gelechioidea) of Poland)

The larvae were also found by Bob Heckford and Stella Beavan at several sites in 2015, three in Suffolk and two in Norfolk. (Winterton and Langmere) with adults reared 1-8 June 2015.

Adults also recorded in July 2015 at Winterton (S. Wright, 02/07/15)
Three specimens collected from Winterton north dunes. At least 8 individuals were seen feeding on the flowers of hawkweed and sheep's-bit, so there's obviously a good colony present. S. Wright

Scythris potentillella (Zeller, 1847) (Lepidoptera: Scythrididae): discovery of the larva in the British Isles and other observations on the species.
[Entomologist’s Gazette 67: 119–133, 2016]

Determination by Genitalia Examination (gen. det.) Required

Recorded in 3 (4%) of 69 10k Squares.
First Recorded in 2014.
Last Recorded in 2019.

Latest 5 Records
Date#VC10k Area
23/06/2019327TG42 - Hickling/Horsey
02/07/2015127TG41 - Acle/Hemsby
12/05/2015528TL98 - Brettenham/Harling
11/05/2015427TG42 - Hickling/Horsey
18/05/2014128TL98 - Brettenham/Harling
Further info: Scythris potentillella
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