The Moths of Suffolk
162 Goat Moth, Cossus cossus, (Linnaeus, 1758)

National Status : Notable Nb

Local Status : Resident (SMP Status 3)

Distribution and abundance : Widely scattered at low density

Habitats : Open woodland and scrub, orchards, gardens and parks

Flight Period : Single-brooded; late June to August.

Larval foodplants : A wide variety of broad-leaved trees including, sallows and willows (Salix), poplar (Populus), oak (Quercus), ash (Fraxinus excelsior), birch (Betula), apple (Malus) and others. The larva feeds internally by boring through the bark and heartwood for 3 to 4 years.

Recent records : Minsmere (C Anderson, 1995), Aldeburgh (A Prichard & G Bull, 12.vii.1997), Ipswich (N Sherman, 7.iii.1998, 20.iv.2000, 5.vii.2001, 16.vi.2004, 13.vii.2005, 20.vii.2004, 19.vii.2010,), Lakenheath (P Horsnail, 1.vii.2001; SMG, 12.vi.2009), Mildenhall (R Stroud, 9.ix.2001), Woodbridge (L Southgate, 6.x.2007; R Gant, 4.ix.2010), Iken (3.vii.2008), Rushmere Heath (N Worger, 21.viii.2008), Lakenheath Fen (SMG, 3.vii.2009)

Morley's Final Catalogue : Larvae are only too frequent everywhere in various trees, mainly willow; imagines much less commonly seen at: Copdock on sugar, Bentley Woods, at Ipswich lights, Bramford, Playford, Felixstow, Martlesham, bred at Monks Soham in 1905, Fressingfield, twice on sugar at Eye (Tyrer, Ent. Wk. Intell. viii, 1860, 147), on sugar at Beccles ; Gorleston. Bury (Norgate) ; bred at Mildenhall in July 1900.

Wingspan details : Forewing 32-42mm, Wingspan 68-96mm

Identification

Confusion species : None


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Ipswich Golf Course (2004) © N Sherman

Flight chart
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Life history chart
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Further Photographs

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Close up of head - Ipswich, Suffolk (vi.2004) © N Sherman
Found by day in irrigation box - Ipswich, Suffolk (iv.2000) © N Sherman
Lakenheath, Suffolk (12.vi.2009) © Matthew Deans
 
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Iken Cliff, Suffolk (3.vii.2008) © Paul Kitchener
Lakenheath, Suffolk (12.vi.2009) © Matthew Deans
Lakenheath, Suffolk (12.vi.2009) © Matthew Deans
 
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Lakenheath Fen, Suffolk (4.vii.2009) © Matthew Deans
Found by day crawling across trackway - Ipswich, Suffolk (16.x.2012) © Neil Sherman
Female, reared from larva found Oct 2012 hatched June 2013 - Ipswich, Suffolk (vi.2013) © Neil Sherman