Cheilosia fasciata is a European species of hoverfly. Like most Cheilosia it is mostly black,
Cheilosia semifasciata (Becker, 1894) is often misidentified as Cheilosia fasciata.
Distribution It is widespread in Europe, but absent from Great Britain.
Biology It is usually found in association with ramsons (Allium ursinum).
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