Geometridae : Ennominae
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Photo © George Fowler,  Broxbourne, Hertfordshire (17/05/23) - Confirmed by CMR

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

(Hübner, 1788) 1918 / 70.238

General comments:
Extinct resident - posssibly immigrant.

Plant (2021) mentions 136 records in the database, almost all were made prior to 1980, with just 6 added in the 1990s and a further 8 in the 2000s, the last being in 2009, which we take as the last year of certain residency. This reflects a wider loss from central and eastern England which took place in the 1970s. Occasionally it might turn up as an immigrant, but as a resident it is certainly now lost from the Hertfordshire and Middlesex fauna.

Recorded in 16 (39%) of 41 10k Squares.
First Recorded in 1887.
Last Recorded in 2023.
Additional Stats

< Early Thorn  |  Purple Thorn >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
18/05/2023120TL30 - Hoddesdon / Cheshunt
02/06/2021120TL31 - Hertford
2009120TL23 - Letchworth / Baldock
27/05/2006420TL30 - Hoddesdon / Cheshunt
05/06/2004120TL30 - Hoddesdon / Cheshunt
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Lunar Thorn
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VC20 VC21 VC21 VC20
Click Map for Details
Forewing: 16-22mm.
Flight: One generation May-June.
Foodplant:   Ash, Blackthorn, Dog-rose other broadleaved trees
Red List: Least Concern (LC)
GB Status: Common / Immigrant
Former Status: Local (Immigrant)
Verification Grade:  Adult: 2
 Immature Adult   [Show Flight Weeks]
© hertsmiddxmoths.uk 2024 NOLA®; Database using MapMate® Digital Maps © Bartholomew 2010. Design © Jim Wheeler 2024
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