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 short, straight, overwintering mine onBrachypodium sylvaticum , causing some distortion of the leaf edge. Adult reared.

Data: 29.xii.2022, Watchet, South Somerset, VC5

Image:© Will Langdon