Geometridae : Ennominae
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Photo © Paul Butter,  Lyme Regis

Similar Dorset Species
Purple Thorn
Selenia tetralunaria
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Lunar Thorn
Selenia lunularia

(Hübner, 1788) 1918 / 70.238

Davey, P., 2009: A local species in Britain, the larva feeding on ash (Fraxinus spp.), birch (Betula spp.), oak (Quercus spp.) and a variety of other deciduous tree species. In Dorset, this early-summer moth forms relatively small colonies very locally in the north and north-west of the county. It is chiefly restricted to deciduous woodland on the ill-drained clay soils across the Blackmore Vale and in woodland on the central and north chalk downs. Records from Melbury Park and Chedington Wood... Read More

Retained Specimen / Photograph will be Required.

Recorded in 12 (30%) of 40 10k Squares.
First Recorded in 1946.
Last Recorded in 2019.
(Data up to end 2019)
Additional Stats

Forewing: 16-22mm
Flight: 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: 3
< Early Thorn | Purple Thorn >
List Species Records   [Show All Latest]
Latest 5 Records (data up to end 2019)
Date#VC10k Area
02/08/2019+9SY39 Lyme Regis
31/07/2019+9SY39 Lyme Regis
28/07/201919ST61 Sherborne
30/05/201919ST61 Sherborne
24/05/201919ST61 Sherborne

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