The Moths of Suffolk
1711 Treble Brown Spot, Idaea trigeminata, (Haworth, 1809)

National Status : Local

Local Status : Resident (SMP Status 1)

Distribution and abundance : Widespread and generally common

Habitats : Woodlands, scrub, grassland, gardens

Flight Period : Double-brooded; June to July and late July to August

Larval foodplants : Little known, possibly withered leaves

Morley's Final Catalogue : Very little rarer than the next kind (Small Fan-footed Wave), but unnoted from the west and north. Copdock (Hkg); Bentley Woods not infrequently (Mly), Ipswich, Baylham and Westerfield (Pyett); Kesgrave (Freeman); Waldringfield, very plentiful at light and sugar (Wlr); Brandeston.

Wingspan details : Forewing 10-11mm, Wingspan 23-25mm

Identification

Confusion species
    AdultSmall Fan-footed Wave, Idaea biselata
Single-dotted Wave, Idaea dimidiata

Compare confusion species
    Adult

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At actinic light - Ipswich, Suffolk (12.vi.2006) © A Prichard

Flight chart
JFMAMJJASOND
1 100 31 1

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

Further Photographs

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Ipswich, Suffolk (vi.2007) © Neil Sherman
Bawdsey, Suffolk (12.vi.2009) © Matthew Deans
Ipswich, Suffolk (28.vi.2009) © A Prichard
 
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Ipswich, Suffolk (13.vi.2014) © Paul Kitchener
Ipswich, Suffolk (28.v.2014) © Neil Sherman