Species synonymy Psarus is a monotypic genus of hoverfly endemic to Europe.

Its only species, Psarus abdominalis is 8.5-10 mm long.

The elongate antennae are porrect, with the arista on the apical half of the third segment.

Psarus abdominalis occurs from France in the west to European Russia in the east, and from the Baltic in the north to Greece in the south.

[2][3] It is now locally extinct and threatened [4].The habitat of the species is forest landscape and mixed agricultural landscape (bocage).