Food Plant: Campanula persicifolia (Peach-leaved Bellflower), C. trachelium (Nettle-leaved Bellflower), Jasione montana (Sheep's-bit), Phyteuma sp. (Campions), Crepis biennis (Rough Hawksbeard), Hypochaeris radicata (Cat's-ear), Lapsana communis ( Nipplewort), Sonchus sp. (Thistles)

Mine: Summer & Autumn

Notes: Forms an external stem mine with frass in two unconnected broken strips. Pupariation is at the end of the mine in a black puparium (as shown). Puparia may also have a striped appearance with alternating light brown and black banding. An uncommon, but possibly overlooked species.

Data: 20.ix.2023, Dowmham Market. Norfolk, VC28

Image:© Rob Edmunds