Status Widespread. Commonest member of this Oak feeding group. Similar to previous species.
Leaf-mine: June-July. Sept-Nov. Long slender gallery that widens markedly compared with previous species.Verification Grade Comment: Adults must be reared and/or Gen. Det. to confirm. | Determination by Genitalia Examination Required | |
| Mine: Either the leaf or a good photograph required | |
Recorded in 41 (55%) of 74 10k Squares. First Recorded in 1874. Last Recorded in 2023. |