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Gem
Nycterosea obstipata (Fabricius, 1794)
Geometridae: Larentiinae
1720 / 70.047
Photo © Matthew Casey,  14/05/2014 - costessey

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Similar Species: None
Forewing: 12-14mm.
Flight: Arrive April-Nov.
Foodplant:   Various low-growing plants.
Red List:
GB Status: Immigrant
Verification Grade:  Adult: 2
Status
Immigrant.

Widespread records from across Norfolk.

The species is sexually dimorphic.
Male: Orange brown forewing with narrow dark central cross-band.
Female: Deep rosewood-brown colour with a small black, white ringed central dot.

Recorded in 46 (62%) of 74 10k Squares.
First Recorded in 1873.
Last Recorded in 2023.

Latest 10 Records
Date#VC10kArea
30/10/2023127TG42Eccles
30/10/2023127TG50Great Yarmouth
29/10/2023127TG42Eccles
28/10/2023127TG41Filby
24/10/2023127TG23Trimingham
23/10/2023127TG42Eccles
23/10/2023127TM49Thurlton
21/10/2023127TG10Cringleford (UEA)
20/10/2023127TG42Eccles
20/10/2023127TG51Scratby
Further info: Nycterosea obstipata
 
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