Platycheirus trichopus

Platycheirus trichopus, also known as the western forest sedgesitter, is a species of syrphid fly in the Bacchini tribe of the Syrphidae family.^[1][2] This flower fly is typically found west of the Rocky Mountains in North America.^[3] Most Platycheirus species cannot be identified past genus without microscopic examination, but according to Even Dankowicz, P. trichopus has a unique set of characteristics that make it an exception when/where high quality images of the head/face are available.^{[3] [4]}

Platycheirus trichopus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Syrphidae
Genus:	Platycheirus
Species:	P. trichopus
Binomial name
Platycheirus trichopus (Thomson, 1869)
Synonyms[1]
Syrphus trichopus Thomson, 1869