The Moths of Suffolk
2348 Lyme Grass, Chortodes elymi, (Treitschke, 1825)

National Status : Notable Nb

Local Status : Resident (SMP Status 3)

Distribution and abundance : Scarce, restricted to coastal areas

Habitats : Coastal sand-dunes and dune-slacks, saltmarsh

Flight Period : Single-brooded; mid-June to early August

Larval foodplants : Lyme-grass

Morley's Final Catalogue : The grass, Elymus arenarius, L., was known to Hind only from Thorp to Corton. This Noctua was locally common in 1903 at Kessingland (EMM. 1904, 80), where a few had first been discovered in Suffolk flying (over flowers in June 1890, with one at light and others sitting at dusk on grasses at Lowestoft denes (Ctw). Gorleston in July 1929 (Mr); and Hopton in both 1929 and 1932 (Trans. ii, 87).

Wingspan details : Forewing 15-18mm, Wingspan 34-38mm

Identification

Confusion species
    AdultObscure Wainscot, Mythimna obsoleta

Compare confusion species
    Adult

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Southwold, Suffolk (1.vii.2005) © Lee Gregory

Flight chart
JFMAMJJASOND
60 100 80

Life history chart
JFMAMJJASOND
larva larva larva larva larva larva larvapupaimago pupaimago ovaimago larva larva larva

Further Photographs

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Southwold, Suffolk (2.vii.2005) © Stuart Read
Southwold, Suffolk (2.vii.2005) © Stuart Read
Southwold, Suffolk (28.vi.2012) © Neil Sherman