Sphaerophoria asymmetrica

Sphaerophoria asymmetrica ( Knutson, 1972 ),^[1] the asymmetric globetail , is a common species of syrphid fly observed across northern North America. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers from which they get both energy-giving nectar and protein rich pollen.^[2] The larvae feed on aphids.^[3]

Sphaerophoria asymmetrica
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Syrphidae
Subfamily:	Syrphinae
Tribe:	Syrphini
Genus:	Sphaerophoria
Species:	S. asymmetrica
Binomial name
Sphaerophoria asymmetrica Knutson, 1972
Synonyms
Syrphus simulatus Harris, 1835