Thanks, Robert. How do you tell the difference between these spp.? Do you need a close-up of the mine, or to see the larva?
University of Edinburgh and Biodiversity Observatory (OU)
See http://www.ispot.org.uk/node/338771 for a detailed view of a P ranunculi mine.
Lat/Lng: 52.715513888889, -2.2394277777778
OS grid ref: SJ839131