The Moths of Suffolk
633 Cosmiotes stabilella, (Stainton, 1858)

National Status : Nationally Scarce B

Local Status : Resident (SMP Status 3)

Distribution and abundance : Rare

Flight Period : Double-brooded, late May to mid-June and late July to mid-August

Larval foodplants : Various grasses, including bent (Agrostis), Tall Fescue (Festuca arundinacea), Tufted Hair-grass (Deschampsia cespitosa) and Tor-grass (Brachypodium pinnatum). On the continent reported also from Wild-oat (Avena fatua), small-reed (Calamargostis) and Wood Millet (Milium effusum). Mining the leaves

Records : Landguard (N Odin, 14.vii.2004)

Morley's Final Catalogue : Local and mainly southern. Southwold in 1897 (Crutwell).

Wingspan details : Wingspan 7-8mm

Identification

Confusion species
    AdultCosmiotes freyerella
Cosmiotes consortella
    Leaf-mineElachista albifrontellaElachista nobilella
Elachista humilisElachista rufocinerea
Elachista bedellellaElachista cingillella
Elachista gangabellaElachista subalbidella
Elachista adscitellaElachista bisulcella
Biselachista cinereopunctellaCosmiotes freyerella
Cosmiotes stabilella

Compare confusion species
    Adult
    Leaf-mine

Click to view full size image
Confirmed by Jon Clifton by dissection - Ipswich, Suffolk (vi.2011) © Neil Sherman

Flight chart
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Life history chart
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