Status
Very similar to C. alchimiella, shorter and less clearly defined yellow blotch on the forewing. Only reliably separated by dissection.
Please record as the aggregate Caloptilia alchimiella/robustella if uncertain.
Leaf-mine: May - July, September - October.
Short gallery becoming a blotch. Later in up to three cones at the edge of the leaf.
Note: You cannot separate these from C.alchimiella unless you examine the pupa or breed out.  | Determination by Genitalia Examination Required | |
| Mine: Moth needs to be reared and, in some cases, possibly dissected. | |
Recorded in 33 (45%) of 74 10k Squares.
First Recorded in 1989.
Last Recorded in 2025.
Additional Stats |