Cheilosia griseiventris Loew, 1857
Separated from C. latifrons by Stubbs & Falk, 1983; the available British voucher specimens are distinctly different from that species, with longer bodies and darker wings. Continental workers question whether this species is distinct from C. latifrons and suspect it may be another species.
Biology & ecology:
The larva is unknown, but is thought to be associated with yellow composites such as Cat?s Ear Hypochoeris radicata. Adults have been found in a variety of locations including sites on chalk, sand and clay soils.
Most records lie south of a line between the Tees and the Mersey but there are also two outlying records from northern Scotland. This species rarely occurs in large numbers, often being found as single individuals.
Status & conservation:
There has been a significant increase in occurrence over the past 25 years. This seems likely to be a real change as the Cheilosini are generally poorly recorded by modern recorders.