Food Plant: Cirsium arvense (Creeping Thistle), C.palustre (Marsh Thistle), C.vulgare (SpearThistle)

Mine: Summer, early Autumn

Notes: A long whitish upper surface mine. The frass grains are small and can occur close together (as shown). This miner is probably overlooked and is not uncommon. Pupation is outside the mine. Mine is shown on Cirsium arvense (Creeping Thistle)

Data: 14.x.2017, Hessle, South-east Yorkshire, VC61

Image:© Barry Warrington