Food Plant: Ranunculus acris (Meadow Buttercup), R.repens (Creeping Buttercup)

Mine: July-August

Notes: Forms an elongated linear mine with the frass grains are widely spaced (as shown), which enables distinction between this species and P.ranunculi, where the frass is in closely adjoining grains. Pupation is external, with the puparium being orange-yellow. Has a widespread distribution in the UK. Mine shown on R.repens.

Data: 07.vii.2025, Downham Market, Norfolk, VC28

Image:© Rob Edmunds