species 397 observations
Dusky Bog Fly
Parhelophilus rex
Field notes
Parhelophilus rex (Curran and Fluke, 1922), the Dusky Bog Fly , is a fairly common species of syrphid fly observed in 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. The larvae are unknown.
Read more on WikipediaSupported by All
support it in the US
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided


