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Early Moth
Theria primaria (Haworth, 1809)
Geometridae: Ennominae
1960 / 70.282
Photo © Matthew Casey,  25/01/2017 - Hethersett

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Similar Norfolk Species: None
Forewing: 14-17mm.
Flight: One generation Jan-Feb.
Foodplant:   Blackthorn, Hawthorn.
Red List: VU (Vulnerable)
Ex Status: Common
Verification Grade:  Adult: 1
Norfolk Status
Early species.
Open woodland areas, scrub and hedgerows .
Females are almost wingless.

The male moths can be spotted with a torch, usually clinging to the tips of outer branches of hawthorn or blackthorn hedgerows in January and February.

Recorded in 53 (72%) of 74 10k Squares.
First Recorded in 1873.
Last Recorded in 2022.

Latest 5 Records
Date#VC10k Area
10/01/2022127TG10 - Wymondham/Cringleford
09/04/2021127TG42 - Hickling/Horsey
02/04/2021128TF62 - King's Lynn/Dersingham
24/03/2021127TG42 - Hickling/Horsey
23/03/2021127TG42 - Hickling/Horsey
Further info: Theria primaria
UK Moths
Mothdissection UK
Suffolk Moths
Cambs Moths Norfolk Moths (Full)
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