Food Plant: Pteridium aquilinum (Bracken) and less commonly on Polypodium vulgare (Polypody).

Mine: Univoltine: summer

Pupa: Outside the mine.

Notes: A small marginal upper surface gallery in a single section of frond (as shown). Widespread in South. Ireland: Co. Clare. Scotland: Dunbartonshire

Data: 23.viii.2006, Fleet, Hants, VC12

Image:© Rob Edmunds