The Moths of Suffolk
2323 Reddish Light Arches, Apamea sublustris, (Esper, 1788)

National Status : Local

Local Status : Resident (SMP Status 3)

Distribution and abundance : Scarce

Habitats : Grassland on chalky soils, Breckland, well vegetated sand dunes and shingle

Flight Period : Single-brooded; June to July. Suffolk records from mid-June to early July

Larval foodplants : Flowers and seeds of grasses

Records : Barnhamcross Common (SMG, 15.vi.2002 & 15.vi.2004; A Prichard, 1.vii.2004), Fakenham (SMG, 6.vii.2002), Icklingham (H Chipperfield & C W Pierce, vi.1965), Lakenheath (R Eley, 1996), Woodbridge (R Kendrick, 1994), Santon Downham (J Chainey & J Spence, 7.vii.2001), Landguard (N Odin & M Marsh, 1999),

Morley's Final Catalogue : Much overlooked, hence dearth of records. Bentley Woods on sugar in June 1894 (Baylis) unrecorded from the Ipswich district; Aldeburgh (Hele); Needham (L); Elmswell (Skepper). Sometimes not uncommon about Yarmouth (Pagets): unnoted at Gorleston.

Wingspan details : Forewing 18-21mm, Wingspan 42-51mm

Identification

Confusion species
    AdultPale Shining Brown, Polia bombycina
Light Arches, Apamea lithoxylaea
Clouded-bordered Brindle, Apamea crenata

Compare confusion species
    Adult

Click to view full size image
Barnhamcross Common (vi.2004) © M Deans

Flight chart
JFMAMJJASOND
85 100

Life history chart
JFMAMJJASOND
larva larva larva larva larvapupa pupaimago ovaimago larva larva larva larva larva

Further Photographs

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Barnhamcross Common (15.vi.2004) © L Gregory
Barnhamcross common, Suffolk (2.vii.2010) © Neil Sherman