The Moths of Suffolk
1867 Treble-bar, Aplocera plagiata, (Linnaeus, 1758)

National Status : Common

Local Status : Resident (SMP Status 1)

Distribution and abundance : Widespread and common

Habitats : In a wide variety, including grassland, woodland, scrub and gardens

Flight Period : Double-brooded; mid-May to early July and mid-July to September

Larval foodplants : St John's-worts

Comments : Much more frequently seen than Lesser Treble-bar

Morley's Final Catalogue : May be noticed in autumn scattered everywhere from Ipswich to Gorleston.

Wingspan details : Forewing 19-22mm, Wingspan 37-43mm

Identification

Confusion species
    AdultLesser Treble-bar, Aplocera efformata
Purple Treble-bar, Aplocera praeformata

Compare confusion species
    Adult

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Rendham (viii.2002) © M Deans

Flight chart
JFMAMJJASOND
12 41 6 100 48

Life history chart
 JFMAMJJASOND
ssp. plagiata larva larva larva larvapupa imago ovaimago imago larvapupaimago ovaimago larva larva larva
ssp. scotica larva larva larva larva pupa pupa imago ovaimago larva larva larva larva

Further Photographs

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Ipswich, Suffolk (viii.2003) © N Sherman
Found at night on St John's Wort seedheads - Tunstall Forest, Suffolk (ii.2004) © N Sherman
Great Cornard, Suffolk (31.viii.2006) © Stuart Read
 
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Bawdsey, Suffolk (12.viii.2009) © Matthew Deans
Orfordness, Suffolk (14.viii.2009) © Lee Gregory