Food Plant: Brachypodium sylvaticum (False Brome), Bromus erectus (Upright Brome) and other Gramineae (Grasses).
Egg: Often two or three close together on the upper side.
Mine: November-May; July.
Pupa: Attached to leaf or stem with silken girdle.
Notes: Initially a narrow brownish mine with blackish frass at its base. The larva then moves to another leaf, forming a broader mine. Both mines can pucker the blade. A spring mine in the tip of a leaf of Brachypodium sylvaticum in the field. Adult reared.
Data: 20.iii.2023, Aston Rowant NNR, Oxfordshire, VC23
Image:© Will Langdon
sponsored by Colin Plant Associates (UK) LLP/Consultant Entomologists