671 Depressaria ultimella
Stainton, 1849Wingspan 16-21 mm.
A fairly common species in much of England, also occurring in Wales and southern Ireland.
The adults are similar to D. daucella but the larval stages are quite different.
The flight period is from August, overwintering and reappearing the following spring.
The main larval foodplant is fool's water-cress (Apium nodiflorum).