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Swallow Prominent
Pheosia tremula (Clerck, 1759)
Notodontidae: Notodontinae
2007 / 71.017
Photo © Kevin Leighton,  02/05/2012 - Stow Bardolph

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Similar Norfolk Species
Lesser Swallow Prominent
Pheosia gnoma
Forewing: 22-28mm.
Flight: Two generations April-June. Aug.
Foodplant:   Aspen, poplars, sallows and willows.
Nat Status: Common
Verification Grade:  Adult: 2
Norfolk Status
Widespread and common.
Similar to Lesser Swallow Prominent. Less distinct white wedge at the tornus of the forewing. Swallow Prom also has a wavy pale line in the dark area of the hindwing.

Swallow & Lesser Swallow

Recorded in 66 (96%) of 69 10k Squares.
First Recorded in 1834.
Last Recorded in 2019.

Latest 5 Records
Date#VC10k Area
03/09/2019128TF63 - Snettisham/Dersingham
03/09/2019127TM49 - Geldeston/Haddiscoe
02/09/2019+27TG42 - Hickling/Horsey
31/08/2019+27TG42 - Hickling/Horsey
30/08/2019+28TF74 - Holme/Titchwell
Further info: Pheosia tremula
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