Widespread and common.
More or less continuously brooded.
Note the length of the wing streak barley reaches the middle of the wing. The streak in the similar Phyllonorycter quercifoliella extends to almost two-thirds.
Leaf-mine: March - April, July, October
Verification Grade Comment: Mine: Accept if on Evergreen Oak, if not then rear through
Recorded in 59 (86%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2020.