The Moths of Suffolk
2241 Red Sword-grass, Xylena vetusta, (Hübner, 1813)

National Status : Local

Local Status : Rare immigrant/vagrant (SMP Status 4)

Habitats : Moorland, upland pasture, boggy heathland, wet woodland

Flight Period : Single-brooded; September to May, hibernating over the winter

Larval foodplants : A variety of plants, including Bog-myrtle, heathers, Yellow Iris, sedges, Soft-rush, Compact Rush

Records : Bawdsey (M Deans, 8.xi.2004), Eye (P Kitchener, 16.x.2006)

Morley's Final Catalogue : No rarer than the last; on ivy-blossom and sugar. Copdock, Ipswich; Waldringfield, Leiston; Needham, Stowmarket; Tuddenham (Sparke); Reydon on 14 Nov. 1936 (Baker); Wrentham (Gd), Bungay (Mn) and Barsham on sallow in April 1892 (Mly); Burgh Castle (D), Fritton and Gorleston (Mr).

Wingspan details : Forewing 24-29mm, Wingspan 52-62mm

Identification

Confusion species
    AdultSword-grass, Xylena exsoleta

Compare confusion species
    Adult

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Eye, Suffolk (16.x.2006) © Paul Kitchener

Flight chart
JFMAMJJASOND
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Life history chart
JFMAMJJASOND
imago imago imago ovaimago larva larva larvapupa pupa imago imago imago imago

Further Photographs

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Bawdsey (8.xi.2004) © M Deans
Inverness-shire (10.iv.2004) © L Gregory
Lynachlaggan, Insh Marshes RSPB Reserve, Inverness-shire (29.iv.2011) © Neil Sherman
 
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Ex larva - Inverness-shire (2014) © Neil Sherman
Inverness-shire (v.2014) © Neil Sherman
Inverness-shire (v.2014) © Neil Sherman