The Moths of Suffolk
2027 Dark Tussock, Dicallomera fascelina, (Linnaeus, 1758)

Local Status : Locally extinct (SMP Status 4)

Habitats : Moorland, coastal sandhills and shingle beaches

Flight Period : Single-brooded; July to August

Larval foodplants : heather, sallows, Broom, hawthorns, brambles and birch saplings

Records : Thorpeness (S Wakely, 15.vii.1964), Ipswich (N Sherman, 1.viii.2005)

Morley's Final Catalogue : Correctly regarded by Bloomfield as ' rare' in 1890, when it was known from Bentley, Needham, Stowmarket, Tuddenham, Beccles and Lowestoft. Later have been observed merely a specimen at light in Ipswich on 23 June 1895 (Mly) and larvae at Burgh Castle (Norf. Nat. Soc. 1899, p. 539).

Wingspan details : Forewing 18-28mm, Wingspan 40-53mm

Identification

Confusion species
    AdultPale Tussock, Calliteara pudibunda

Compare confusion species
    Adult

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Dorset (31.vii.2003) © M Deans

Flight chart
JFMAMJJASOND
100

Life history chart
JFMAMJJASOND
larval diapause larval diapause larva larva larva pupa imago ovaimago larva larval diapause larval diapause larval diapause

Further Photographs

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Dorset (31.vii.2003) © M Deans
Ipswich, Suffolk (viii.2005) © Neil Sherman
Dorset (21.vii.2007) © Stuart Read
 
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Female - Kiltarlity, Inverness-shire (vi.2009) © Neil Sherman
Cairngorm Mountain, Inverness-shire (18.vii.2010) © Matthew Deans
Found on heather - Drumcroy Hill, Perthshire (29.iv.2011) © Neil Sherman
 
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Found on Heather - Blar Mor, Inverness-shire (9.v.2014) © Neil Sherman
Ex larva, hatched June 2014 - Blar Mor, Inverness-shire (9.v.2014) © Neil Sherman