Food Plant: Artemisiae vulgaris (Mugwort), occasionally Eupatorium cannabium (Hemp Agrimony).

Mine: Bivoltine, Summer and Autumn

Pupa: on the ground

Notes: A whitish blotch mine occuring on the upper leaf surface. Starts with a short corridor and does not show feeding lines. Superficially similar to the lepidopterous mine made by Leucospilapteryx omissella, but the latter mine turns purple as it ages. Mine shown on Mugwort.

Data: 27.ix.2016, Hessle, South-east Yorkshire, VC61

Image:© Barry Warrington