Cheilosia antiqua (Meigen, 1822)
on primrose
parasite
The larvae live in the roots. infected plants can be recognised by the mass a pale from frass in the centre of the rosette.
host plants
Primulaceae, monophagous
distribution within Europe
larva
See Rotheray.
references
Reemer, Renema, van Steenis ao (2009a), Rotheray (1991a), Speight (2017a).