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

Identification

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

Compare confusion species
    Adult

Click to view full size image
Bawdsey (15.iv.2004) © M Deans

Flight chart
JFMAMJJASOND
33 100 66

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

Further Photographs

Click to view full size image
Found at night by torchlight at rest on saltmarsh vegetation - Bawdsey , Suffolk (5.v.2013) © Neil Sherman