Larger member of the 'ruficapitella' group.
One of a complex of three species, which can only be reliably separated by dissection of the genitalia.
Thought to be only a single extended generation, with adults in May and June.
Long irregular gallery mine.
Verification Grade Comment: Adults must be reared and/or Gen. Det. to confirm.
|Determination by Genitalia Examination (gen. det.) Required|
|Mine: Moth needs to be reared and, in some cases, possibly dissected. |
Recorded in 10 (14%) of 74 10k Squares.
First Recorded in 1982.
Last Recorded in 2021.