Food Plant: Hypericum hirsutum (Hairy St John's-wort), H.maculatum (Imperforate St John's-wort), H.montanum (Pale St John's Wort), H.perforatum.(Perforate St John's Wort)

Mine: June; September (Hering 1957)

Notes: Forms a round upper surface mine, from which galleries run off as the mine develops. Frass is concentrated in the centre of the mine (as shown, with larva). Pupation is within the mine in a white cocoon.

Data: 01.viii.2015, Koersel~Helderbeek Terril (Limburg), Belgium

Image:© Carina van Steenwinkel