Cheilosia fraterna (Meigen, 1830)
Oviposition on the upper side of the leaves. The larva enters into the midrib, then descends via the stem down to the root crown. Pupation in the soil.
Asteraceae-Carduinae, narrowly oligophagous
Hibernation as puparium.
distribution within Europe
Dockzkal (1886a), Reemer, Renema, van Steenis ao (2009a), Rotheray (1988b), Speight (2017a).