Confused with several other greyish brown Coleophorid species. Examination of the genitalia is required.
The larva produces a distinctive feeding pattern, creating small holes in the leaves of the foodplant, evergreen oak (Quercus spp.). The larval case differs from that of C. lutipennella in having no leaf material at the back end of the case.
[MBGBI vol3 p213]
Verification Grade Comment: Case: C2 for initial mine from which case excised
|Determination by Genitalia Examination (gen. det.) Required|
|Case: A good quality photo or specimen of the case and plant/pabulum and gen. det. of bred moth is
Recorded in 30 (43%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2019.