narrower and less distinct chevrons on the forewing than many of its close relatives.
Leaf-mine: June - July, September - October
Verification Grade Comment: Mine: Reared or puparium cremasters examined.
|Mine: Moth needs to be reared and, in some cases, possibly dissected. |
Recorded in 50 (72%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2020.