The Moths of Suffolk
2112 Least Yellow Underwing, Noctua interjecta, Hübner, 1803

National Status : Common

Local Status : Resident (SMP Status 1)

Distribution and abundance : Widespread and common

Habitats : Fens, heathland, woodland, scrub, gardens, grassland

Flight Period : Single-brooded; July to early September

Larval foodplants : Various herbaceous plants

Morley's Final Catalogue : Certainly much rarer than half-century ago ; never seen by me in Suffolk (Mly). Recorded before 1890 as "not common: Bures, Belstead, Ipswich, Aldeburgh, Leiston; Needham, Bury, Beccles, Lowestoft." Later it has been found, only singly, at Copdock on 14 August 1894 (Hkg); Ipswich one in 1893 (Pyett) Hemley, on sugared tansy in 1901 (Wlr); Waldringfield in 1891 (James); Gorleston (Wiltshire), one (D) and one in August 1920 (Mr).

Wingspan details : Forewing 14-17mm, Wingspan 31-36mm


Confusion species
    AdultLesser Yellow Underwing, Noctua comes

Compare confusion species

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Eye (18.vii.2005) © Paul Kitchener

Flight chart
100 75 2

Life history chart
larva larva larva larva larva pupa imago ovaimago larva larva larva larva

Further Photographs

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Minsmere, Suffolk (23.vii.2005) © Lee Gregory
Ipswich, Suffolk (vii.2008) © Neil Sherman