The Moths of Suffolk
2119 Pearly Underwing, Peridroma saucia, (Hübner, 1808)

National Status : Immigrant; possible transitory resident

Local Status : Immigrant (SMP Status 2)

Distribution and abundance : A regular migrant with most records from the coastal areas

Flight Period : Most numerous in September and October but can occur at any time of year

Larval foodplants : Various low growing plants

Morley's Final Catalogue : Entry covers Pearly Underwing and Dark Sword-grass). Quite common on sugar in autumn from Bentley Woods to Gorleston. The former seems hardly less restricted in its range now than the latter: they sometimes sit on the tree-trunk cheek by jowl.

Wingspan details : Forewing 19-23mm, Wingspan 45-56mm

Identification

Confusion species
    AdultTurnip Moth, Agrotis segetum
Dark Sword-grass, Agrotis ipsilon

Compare confusion species
    Adult

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Eye, Suffolk (14.x.2006) © Paul Kitchener

Flight chart
JFMAMJJASOND
20 2 9 29 100 22

Life history chart
JFMAMJJASOND
imago imago no datano data

Further Photographs

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Dorset (17.vi.2002) © Paul Kitchener
Bawdsey, Suffolk (24.viii.2009) © Matthew Deans
Barnham Cross Common (24.ix.2004) © L Gregory
 
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Bawdsey, Suffolk (xi.2007) © M. Deans
Bawdsey, Suffolk (xi.2007) © M. Deans
Bawdsey, Suffolk (9.vi.2009) © Matthew Deans
 
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Bawdsey, Suffolk (25.viii.2009) © Matthew Deans
Bawdsey, Suffolk (26.viii.2009) © Matthew Deans
Bawdsey, Suffolk (21.viii.2015) © Neil Sherman
 
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Swanage, Dorset (x.2015) © Neil Sherman