Sericomyia (Sericomyia) carolinensis (Metcalf, 1917).
Metcalf, C.L. (1917) Two new Syrphidae (Diptera) from eastern North America. Entomological News 28, 209-212, 1 pl. [1917.05.02]
Synonym:
Cinxia carolinensis Metcalf, 1917: 209.
Nearctic species known from Maryland to Mississippi.