dcsimg
Centre for Biodiversity Genomics. CBG Photography Group. Year: 2016.   cc-by-nc-sa-3.0

Chalcosyrphus ontario is a species of flies in the family flower flies.

EOL has data for one attribute:

Known occurrences, collected specimens and observations of Chalcosyrphus ontario (Curran 1941). View this species on GBIF