621 Elachista subalbidella
Is single-brooded and overwinters as a larva, usual larval stage August to April
Larval foodplants : Purple Moor-grass (Molinia caerulea)
Adult, forewing - around 4.5 to 6mm. Flies June to July
Not currently available on this website. For examples of larval mines see:-
For examples of an adult see:-