The Moths of Suffolk
1698 Purple-bordered Gold, Idaea muricata, (Hufnagel, 1767)

National Status : Notable Nb

Local Status : Resident (SMP Status 3)

Distribution and abundance : Local in the Brecks, according to recent records

Habitats : Fens, damper areas on heaths, grassland

Flight Period : Single-brooded; July

Larval foodplants : Marsh Cinquefoil

Records : Redgrave Fen (C W Pierce, 1965), Lakenheath (R Parker, 1995 and P Horsnail, 2001), Santon Downham (B Palmer, 1987-9 and J Chainey and J Spence, 2001), Thetford (A Musgrove, 2000), West Stow (SMG, 1999 and 2003), Cavenham Heath (B & C Martin, 17.vii.2006)

Comments : Can be found flying during the day and also comes to light

Morley's Final Catalogue : Very local in the north alone. Known before 1890 from only Tuddenham Fen (Skepper, Wrt: Suff. Inst. iv, 1870, 220), where Sparke found it locally common on the edge of the Poors Fen in 1900. Several discovered in July 1898 at Oulton Broad (Mly, Bedwell); and in July 1932 at Bradwell marsh (Doughty : Trans. ii, p. xxxix).

Wingspan details : Forewing 8-10mm, Wingspan 18-20mm


Confusion species
    AdultTawny Wave, Scopula rubiginata

Compare confusion species

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West stow, Suffolk (vii.2003) © N Sherman

Flight chart

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

Further Photographs

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West Stow, Suffolk (vii.1999) © N Sherman
Surrey (vi.2007) © Lee Gregory
Thetford Warren, Suffolk (4.vii.2009) © Lee Gregory
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Hickling Broad, Norfolk (11.vii.2015) © Neil Sherman