Geometridae : Ennominae
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Photo © Ian Gamble,  Berkhampstead, Hertfordshire (04/04/14)

Similar Herts & Middlesex Species
Lunar Thorn
Selenia lunularia
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Purple Thorn
Selenia tetralunaria

(Hufnagel, 1767) 1919 / 70.239

General comments:
Widespread resident.

Though more at home in woodland, this moth is also found from time to time in garden moth traps and is expected on most site lists. Nevertheless, the map shows an apparent loss from 17 per cent of recorded sites since the end of 1994.

Recorded in 32 (78%) of 41 10k Squares.
First Recorded in 1893.
Last Recorded in 2023.
Additional Stats

< Lunar Thorn | Scalloped Hazel >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
10/08/2023320TL21 - Welwyn Garden City
06/08/2023220TL22 - Stevenage
29/07/2023120TL10 - St Albans
27/07/2023120TL42 - Bishop's Stortford (N)
27/07/2023120TL31 - Hertford
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Purple Thorn
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VC20 VC21 VC21 VC20
Click Map for Details
Forewing: 17-23mm.
Flight: Two generations April-May. July-Aug.
Foodplant:   Broadleaved trees Hazel, birches etc
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 1
 Immature Adult   [Show Flight Weeks]
© hertsmiddxmoths.uk 2025 NOLA®; Database using MapMate® Digital Maps © Bartholomew 2010. Design © Jim Wheeler 2025
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