Chrysosyrphus, the Wrinklehead flies, is a genus of hoverflies in the family Syrphidae.

(LBFs, Little Black Flies), The adults feed on nectar and pollen the sources of energy and protein respectively.

[1] For terminology see Speight key to genera and glossary The face of Chrysosyrphus is entirely black or partly yellow, and is bare medially with either a distinct tubercle clearly separated from the oral margin or is straight with a lower margin that projects.

The face does not have an orbital strip, and the antennae are located above the upper third of the head..

The apical cross-vein (M1) forms an acute angle with the third vein (R4+5).