Weakly marked in comparison with similar species.
Leaf-mine: July, September - October
Mine found on the upperside of the leaf.
Verification Grade Comment: Mine - L (due possible confusion with P. leucographella)
|Mine: Either the leaf or a good photograph required |
Recorded in 59 (80%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2021.