Food Plant: Boraginacaeae such as Symphytum spp. (Comfrey spp.), Pulmonaria (Lungworts)

Mine: late Spring and late Summer

Pupa: External to the mine

Notes: The initial narrow gallery contains frass in a double line. It then expands to form a blotch mine. Several larvae may occupy a leaf to form a large blotch. The pupa is shown.

Data: 22.x.2016, Hessle, South-east Yorkshire, VC61

Image:© Barry Warrington