The Moths of Suffolk
2412 Silver Hook, Deltote uncula, (Clerck, 1759)

National Status : Local

Local Status : Resident (SMP Status 3)

Distribution and abundance : Scarce and infrequent, restricted to fens of northern river valleys and coastal areas

Habitats : Fens, marshes and boggy heathland

Flight Period : Single-brooded; late May to early August

Larval foodplants : Grasses and sedges

Records : Market Weston Fen (M Hall, 1990), Thelnetham Fen (SMG, 6.viii.1999, 28.vii.2000 & 4.vii.2008), Darsham (A Watchman, 31.v.1990)

Morley's Final Catalogue : Frequent in marshes, mainly those of the Breck. Brandon in June 1910 (Mly); Tuddenham (Skepper, &c.: Suff. Inst. iv, 1870, 220), not plentiful on edge of fen (Sparke); Cavenham (Nurse), Stowmarket (C). One at Blythburgh in 1933 (Btn). Discovered in Lothingland at Bradwell Fen in 1933 (Trans. ii, P. xcvi), and plentifully at Beccles the next year (l.c. 292)

Wingspan details : Forewing 11-12mm, Wingspan 22-26mm


Confusion species : None

Click to view full size image
Thelnetham fen, Suffolk (vii.2008) © Neil Sherman

Flight chart
10 100 50

Life history chart
pupa pupa pupa pupa pupaimago imago ovalarvaimago larva larvapupa pupa pupa pupa