Food Plant: Chenopodium (Goosefoot), Atriplex (Orache).

Mine: July, August - September

Pupa: On the ground in detritus

Notes: A large, whitish blotch sometimes occupying most or all of the leaf. The frass is mostly ejected from the mine. The larva has a pale head and blackish brown prothoracic plate (as shown).

Data: 23.vii.2017, Rhymney, Glamorgan, VC41

Image:© George Tordoff