The Moths of Suffolk
2466 Blackneck, Lygephila pastinum, (Treitschke, 1826)

National Status : Local

Local Status : Resident (SMP Status 2)

Distribution and abundance : Local, predominantly coastal, Sandlings and Brecks

Habitats : Fens, marshes, coastal grassland, scrubby areas, heathland

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

Larval foodplants : Tufted Vetch, also Marsh Pea and Wild Liquorice

Morley's Final Catalogue : Very local, and rarely in considerable numbers; nearly or quite exterminated by agriculture in south Suffolk. Blaxhall (Hkr); Blythburgh in 1934 commonly (Btn); and Beccles (Ctw, ante 1890), where Curtis found it on 10 July circa 1830: still occurs there in 1934 (Trans. ii, 292). Stowmarket (B), Norton (Norgate), common on railway-bank near Elmswell station in 1899, and found at Tuddenham (Sparke), where it was fairly Common in July 1889 (Vivian). At light in Herringswell Fen early in July 1903 (Mly).

Wingspan details : Forewing 18-21mm, Wingspan 41-48mm

Identification

Confusion species
    AdultScarce Blackneck, Lygephila craccae

Compare confusion species
    Adult

Click to view full size image
Aldeburgh, Suffolk (vi.2004) © N Sherman

Flight chart
JFMAMJJASOND
21 100 6

Life history chart
JFMAMJJASOND
larval diapause larval diapause larval diapause larva larvapupa pupaimago ovaimago larva larva larval diapause larval diapause larval diapause

Further Photographs

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Hinderclay Fen, Suffolk (1.vii.2006) © A Prichard