The Moths of Suffolk
929 Gynnidomorpha vectisana, (Humphreys & Westwood, 1845)

National Status : Local

Local Status : Resident (SMP Status 4)

Distribution and abundance : Rare in coastal areas

Habitats : Wet boggy heaths, fens and marshes

Flight Period : Double-brooded; May to June and July to September, although the few Suffolk records have occurred only from June to August

Larval foodplants : On flowers, stems and roots of Sea Arrowgrass (Triglochin maritima) and Marsh Arrowgrass (Triglochin palustris)

Records : Southwold (S Wakely, 1967), Landguard (N Odin & M Marsh, 2002, 2004 & 2005), Minsmere (R Harvey,

Morley's Final Catalogue : Abundant in all our coast salterns in mid-May; imagines often on flowers of scurvy-grass. In profusion in Hemley salt-marshes among sea-lavender in 1934 (Wlr, Mly); Aldeburgh flats in plenty (Ctw, Mly); Southwold during 1891-7 by Crutwell and Barrett (EMM. xxvii, 221); Lowestoft (Bd).

Wingspan details : Wingspan 9-11mm


Confusion species
    AdultPhalonidia manniana
Gynnidomorpha minimana
Gynnidomorpha permixtana

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Flight chart
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Life history chart
larval diapause larval diapause larval diapause larvapupa pupaimago ovalarvapupaimago pupaimago imago ovalarvaimago larva larval diapause larval diapause