The Moths of Suffolk
1807 Grass Rivulet, Perizoma albulata, (Denis & Schiffermüller, 1775)

National Status : Local

Local Status : Rare (SMP Status 3)

Distribution and abundance : Recently recorded from only a couple of sites

Habitats : Grassland, particularly on chalky soils, coastal shingle-banks, dunes

Flight Period : Single-brooded; literature gives May to early July, although both recent Suffolk records have been made in June

Larval foodplants : Ripening seeds of Yellow-rattle

Records : Lakenheath (B Palmer, 1993 and A Main, 2002), Dunwich (C Moore & D Brougham, 2006)

Morley's Final Catalogue : Somewhat local, but often in the utmost profusion in marshes. Hacheston; Battisford; Aldeburgh, Beccles (Mr) Bungay (Mn), Shipmeadow in 1933 (Mly). Common at Brandon staunch in June 1910 (Elliott) and always in Barton Mills marshes; Mildenhall and Tuddenham Fenn (Sparke). Not noted from Ipswich.

Wingspan details : Forewing 10-12mm, Wingspan 20-26mm


Confusion species : None

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Cambridgeshire (vi.2004) © M Deans

Flight chart

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

Further Photographs

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Wiltshire ( © L Gregory
Flushed from grassland full of Yellow rattle by day - Dolomites, Italy (4.vii.2013) © Neil Sherman
Flushed from sward by day - Martin Down, Hampshire ( © Neil Sherman