Syrphus genus
family: Syrphid Flies
U.S. Botanical Garden, Washington, DC
10/18/2011

Syrphus opinator
family: Syrphid Flies
Skagit County, WA
8/6/2014

Syrphus torvus
family: Syrphid Flies
Summit County, CO
8/8/2022