The Moths of Suffolk
1915 September Thorn, Ennomos erosaria, (Denis & Schiffermüller, 1775)

National Status : Common

Local Status : Resident (SMP Status 3)

Distribution and abundance : Local and infrequent

Habitats : Woodland, parkland and gardens

Flight Period : Single-brooded; July, although literature gives upto early October

Larval foodplants : Oaks, birches, limes and Beech

Morley's Final Catalogue : Scarce, but wide spread. Sudbury (Ransom), Freston, Ipswich, Brandeston, Swefling, Aldeburgh, Lowestoft in August (Ent.1922, 258), Fritton, Beccles, Flixton, Bungay at light; Needham, West Stow; Tuddenham Fen in August 1928 (Mly), Brandon.

Wingspan details : Forewing 17-21mm, Wingspan 38-42mm

Identification

Confusion species
    AdultAugust Thorn, Ennomos quercinaria
Canary-shouldered Thorn, Ennomos alniaria
Dusky Thorn, Ennomos fuscantaria

Compare confusion species
    Adult

Click to view full size image
Walton Common, Somerset (24.viii.2007) © Stuart Read

Flight chart
JFMAMJJASOND
100 33

Life history chart
JFMAMJJASOND
ova ova ova ova larva larvapupa larvapupaimago imago imago ovaimago ova ova

Further Photographs

Click to view full size imageClick to view full size imageClick to view full size image
Walton Common, Somerset (24.viii.2007) © Stuart Read
Walton Common, Somerset (24.viii.2007) © Stuart Read
Las Descargues, France. (vi.2007) © Neil Sherman
 
Click to view full size image
Berkeley Pendesham, Worcestershire (vii.2010) © Matthew Deans