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: 08.xi.2019, Hessle, South-east Yorkshire, VC61

Image:© Barry Warrington

Recording Grade: 5

References:
Hering, EM (1951) - Biology of the Leaf Miners
Papp L & Cerný M (2015) - Agromyzidae (Diptera) of Hungary. 1. Agromyzinae.
Spencer, K.A (1972) - "Diptera: Agromyzidae" Handbooks for the Identification of British Insects, Royal Entomological Society of London
Spencer, K A (1976) - The Agromyzidae of Fennoscandia and Denmark.