Food Plant: Glechoma hederacea (Ground-ivy).
Recorded Elsewhere: Mentha aquatica (Water Mint), Mentha pulegium (Pennyroyal), Mentha suaveolens (Apple Mint)

Egg: on the leaf

Mine: May-July (Hering 1957)

Notes: Forms a large transparent mine at the leaf edge. The egg at the start of the mine is covered in a glossy black secretion. The pupa is formed inside the mine and is not in a cocoon. The mine is shown in upper view (top two photos); lower view (next two photos); upper view (bottom photo)

Data: 04.vi.2016 (bottom photo:08.vi.2016, from same leaf),Mol~Molse zandputten (Antwerpen), Belgium

Image:© Carina van Steenwinkel