| syrphus knabi | | Canada: Ontario, North Burgess Township, Lanark Co. | | 519668405 |
| syrphus knabi | | Canada: Ontario, Georgian Bay Islands National Park, Beausoleil Island, Cedar Spring Campground | | 1015817338 |
| syrphus knabi | | Canada: Ontario, Wellington County, Guelph, Biodiversity Institute of Ontario | | 1053131895 |
| syrphus knabi | | Canada: Ontario, Peterborough, St. Patrick Catholic ES, EQP-CLL-579 | | 1067934412 |
| syrphus knabi | | canada: ontario, burlington, john t. tuck school, eqp-cll-919 | | 1321379059 |
| syrphus knabi | | Canada: Ontario, Wellington County, Guelph, Biodiversity Institute of Ontario | | 1053100489 |
| syrphus knabi | | Canada: Ontario, Georgian Bay Islands National Park, Beausoleil Island, Cedar Spring Campground | | 1015817572 |