Chalcosyrphus (Hardimyia) elongatus (Hardy, 1921).
Hardy, G.H. (1921) Notes on some Australian Syrphidae (Diptera). The Australian Zoologist 2, 12-18. [1921.01.06]
Australian species known from Australian Capital Territory, New South Wales, Queensland, South Australia, Tasmania and Vicotira (Thompson 2010).
unless otherwise stated