thick-headed fly with bright yellow legs - Dalmannia nigriceps - BugGuide.Net
yellow fly - Diachlorus ferrugatus
Syrphid Fly
Yellow-bellied fly - BugGuide.Net
Mic-UK: Hoverflies - All About Hoverflies
yellow fly - Diachlorus ferrugatus
Something Wild: Hover Flies | Forest Society
fly with yellow underside (longshot!?) - Musca - BugGuide.Net
The weevil Timorus sarcophagoides (bottom right) and its flesh fly... | Download Scientific Diagram
Yellow Dung Fly - Friends of Heene Cemetery
Baccha | insect | Britannica
Examples of hover fly digital (photographic) and museum specimen... | Download Scientific Diagram
Flies | NatureSpot
What are these flies (?) and what are they doing? Seen in Toronto, Ontario - bottom fly was foraging on plant before darker one landed on it : r/whatsthisbug