Food Plant: Apium dulce (Celery), Heracleum (Hogweed), Angelica, Levisticum (Lovage), Pastinaca (wild Parsnip), Ammi, Smyrnium olusatrum (Alexanders), Petroselinum crispum (Parsley)

Mine: Summer and early Autumn

Pupa: External to the mine

Notes: Can be a pest on celery. Mine is deep and leads to a blotch, which is usually coloured yellow or Brown. There may be several mines in a leaf (as shown). Mine illustrated is on Hogweed.

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

Image:© Barry Warrington