The Moths of Suffolk
2184 Northern Drab, Orthosia opima, (Hübner, 1809)

National Status : Local

Local Status : Resident (SMP Status 4)

Distribution and abundance : Common in coastal saltmarsh areas

Habitats : Saltmarsh

Flight Period : Single-brooded; late March to May

Larval foodplants : Various woody and herbaceous plants

Records : Boyton (SMG, 2002), Tunstall (D Young, 2000), Orfordness (J Askins, 2002-7), Landguard (N Odin & M Marsh, 2003-6), Bawdsey (M Deans, 2003-7), Dunwich Heath (M Cornish, 2003), Mendlesham (S Woolnough, 8.v.2004), Havergate (K Coates, 2.v.2006)

Morley's Final Catalogue : not listed as Suffolk species - is a west and northern insect in our Isles

Aston's Additions : Seems generally not to be as restricted as was once believed. The Suffolk specimen was taken at mercury-vapour light by Messrs. John and Geoffrey Burton in their Needham Market garden on 3.v.1952 (Trans. S.N.S. Vol. VIII, pt. II, p. 77).

Wingspan details : Forewing 15-17mm, Wingspan 34-40mm


Confusion species
    AdultLead-coloured Drab, Orthosia populeti
Clouded Drab, Orthosia incerta

Compare confusion species

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Bawdsey (15.iv.2004) © M Deans

Flight chart
33 100 66

Life history chart
pupa pupa pupa ovapupaimago ovalarvaimago larva pupa pupa pupa pupa pupa pupa

Further Photographs

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Found at night by torchlight at rest on saltmarsh vegetation - Bawdsey , Suffolk (5.v.2013) © Neil Sherman