The Glamorgan Moth Group are a group of local moth enthusiasts devoted to the study and conservation of moths within the Vice County of Glamorgan, in south Wales.
Species account from Moths of Glamorgan (Gilmore, Slade & Stewart, 2009):
Very similar to Agonopterix subpropinquella, and examination of the genitalia is often necessary to confirm the identity. The larvae feed on thistles, knapweeds and burdock.