Pronounced emargination of the costa of the forewing characteristic although variable in depth.
Several forms with variable coloration.
Species has recently been split into 1062 Acleris emargana and 1062a Acleris effractana which is more of a northern species.
Please retain specimens for determination if you think you may have Acleris effractana.
Recorded in 46 (67%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2020.