The Moths of Suffolk
1640 Drinker, Euthrix potatoria, (Linnaeus, 1758)

National Status : Common

Local Status : Resident (SMP Status 1)

Distribution and abundance : Widespread and common

Habitats : Fens, coastal vegetated shingle, heathland, woodlandm, grassland and scrub

Flight Period : Single-brooded, June to August, but records have occured in May, September and October

Larval foodplants : A wide variety of coarse grasses. Noted as a young larva feeding on sallow Salix

Morley's Final Catalogue : The Drinker caterpillar is among our most conspicuous kinds on low herbage from Bentley Woods to Gorleston ; indeed, probably throughout the County, since it occurs certainly at Woolpit (Rasor) and Pakenham Fen (Mly), despite Col. Nurse's assertion of 1911 that it is 'not found in west Suffolk' by him. Imagines frequent at light in July at Monks Soham, &c.

Wingspan details : Forewing male 21-25mm, female 28-35mm, Wingspan 50-70mm

Identification

Confusion species : None


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Dorset (22.vi.2002) © Paul Kitchener

Flight chart
JFMAMJJASOND
11 100 26

Life history chart
JFMAMJJASOND
larval diapause larval diapause larva larva larva larvapupa pupaimago ovalarvaimago larva larval diapause larval diapause larval diapause

Further Photographs

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Male - Ipswich, Suffolk (31.vii.2012) © Neil Sherman
Found by day - Old Hall Wood, Suffolk (v.2003) © N Sherman
Female - Ipswich, Suffolk (vii.2002) © N Sherman
 
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Cocoon on reed stem - Walberswick, Suffolk (4.vi.2006) © A Prichard
Female. - Ipswich, Suffolk (vii.2007) © Neil Sherman
Found basking during the day - Ipswich, Suffolk (29.v.2009) © Neil Sherman
 
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Dark form female - Ipswich, Suffolk (23.vii.2012) © Neil Sherman