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Barred Chestnut
Diarsia dahlii (Hübner, 1813)
Noctuidae: Noctuinae
2121 / 73.331
Photo © Steve Hatch

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Similar Species
Ingrailed Clay
Diarsia mendica
Purple Clay
Diarsia brunnea
Forewing: 15-18mm.
Flight: Aug - Sept.
Foodplant:   Bilberry, Bramble, Sallows and Birches.
Red List: Least Concern (LC)
GB Status: Common
Former Status: Local
Verification Grade:  Adult: 3
Status
Rare.
Widespread but local in Scotland, northern England, the north Midlands and Wales.

Most recent confirmed records from only one site in Norfolk at West Runton Heath, where first recorded in 1997. It was recorded again at the same site in 2004, and after a gap of 10 years, recorded in the same area in 2024.

Barrett [VCH 1901] Noctua dahlii, Hb.
"Aldeby, Denton, Wootton, Horning ; scarce"

Larva feeds on various woody plants and herbaceous plants, including Bilberry, Bramble, Sallow, Silver Birch and Downy Birch.

Verification Grade Comment: No recent records

Retained Specimen / Photograph will be Required.

Recorded in 8 (11%) of 74 10k Squares.
First Recorded in 1873.
Last Recorded in 2024.
Additional Stats

Latest 10 Records
Date#VC10kArea
04/09/2024127TG14Felbrigg / Runton
21/08/2004+27TG14Beeston Regis
11/09/1997527TG14Beeston Regis
29/07/1979127TG04Cley next the Sea
18/07/1979127TG04Cley next the Sea
06/07/1977127TG04Cley next the Sea
27/02/1972+27TG03Holt
1968+27TG03Holt
1961 to 1981+27TG32Stalham / Catfield
1899+27TM28Denton
Further info: Diarsia dahlii
 
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