Tephritis praecox (Löw, 1844)
on Calendula, Filago
the larvae live in the flower heads.
Because flies have been caught in sites where none of the plants mentioned here did occur, the list of host plants certainly is still incomplete (Baugnée).
Baugnée (2006a), Bjeliš (2007a), Ebejer (2015a), Korneev (2016c), Kütük (2006a), Smit (2010a), White (1988a).