Geometridae : Archiearinae
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Similar Dorset Species: None
Orange Underwing
Archiearis parthenias

(Linnaeus, 1761) 1661 / 70.203

Davey, P., 2009: A widespread day-flying species in Britain, the larva feeding on birch (Betula spp.) and rowan (Sorbus aucuparia). In Dorset, the moth is recorded sparingly from the eastern half of the county. Singletons may be seen flying from mid-March on sunny afternoons in woods and on heaths that support birch. "Adult moths may visit sallow blossom and drink at puddles, but then ascend to the birch canopy as the day advances. They have been found on dull mornings by kicking birch trees... Read More

Recorded in 16 (40%) of 40 10k Squares.
First Recorded in 1916.
Last Recorded in 2017.
(Data up to end 2019)
Additional Stats

Forewing: 16-19mm
Flight: March - April
Foodplant:   Biches
Red List: Least Concern (LC)
GB Status: Common
Former Status: Local
Verification Grade:  Adult: 1
< Early Tooth-striped  |  Light Orange Underwing >
List Species Records   [Show All Latest]
Latest 5 Records (data up to end 2019)
Date#VC10k Area
07/04/201719SY79 Puddletown
16/05/201629ST60 Cerne Abbas
20/04/201559SZ09 Poole
20/03/201519SZ09 Poole
01/05/201319SZ07 Swanage

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