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Swallow Prominent
Pheosia tremula (Clerck, 1759)
Notodontidae: Notodontinae
2007 / 71.017
Photo © Julian Francis

Similar Dorset Species
Lesser Swallow Prominent
Pheosia gnoma
Forewing: 22-28mm
Flight: April - June and August
Foodplant:   Aspen, poplars, willows
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 2

Davey, P., 2009: A widespread species across Britain, the larva feeding on sallow and willow (Salix spp.) and poplar (Populus spp.). In Dorset, the moth is widespread across the county and frequent in damp areas where sallow occurs, rising to common where poplars grow; the moth tends to be rare where the host foodplants are absent.

Hill, L., 2013:

Diagnostics include: white, slightly wavy line running through the dark anal patch of the hindwing; forewing lacks distinct white wedge-shaped tornal streak; dark costal shading extends beyond one-half from the termen.

Recorded in 38 (95%) of 40 10k Squares.
First Recorded in 1934.
Last Recorded in 2019.
(Data up to end 2019)

Latest 5 Records (Data up to end 2019)
Date#VC10k Area
27/08/201919SY49 - Bridport
26/08/201919ST61 - Sherborne
26/08/201929ST60 - Cerne Abbas
25/08/201919SZ07 - Swanage
23/08/201929SY79 - Puddletown
Further info: Pheosia tremula
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