Likely 1184a Epiblema cirsiana
A mating Pair
Description Similar to E. scutulana and E. sticticana. Examination of the genitalia is often needed to confirm identification.
Larvae feed mostly on marsh thistle (Cirsium palustre) and common knapweed (Centaurea nigra) feeding in the stems and roots. They inhabit such places as damp sheltered meadows and woodland rides and clearings.
Adults fly in May and June.