@article {583, title = {Nomenclatural notes on Nearctic Syrphinae, with descriptions of new species of Syrphus and keys to Nearctic species of Didea, Epistrophe s. str., and Syrphus (Diptera: Syrphidae)}, journal = {The Canadian Entomologist}, volume = {115}, number = {2}, year = {1983}, pages = {175-182}, address = {Ottawa}, keywords = {Arthropods, Diptera, Insects, Invertebrates, NORTH AMERICA, Syrphidae, Syrphinae, Systematics}, author = {Vockeroth, J.R.} } @article {584, title = {Revision of the New World species of Paragus Latreille (Diptera: Syrphidae)}, journal = {The Canadian Entomologist}, volume = {118}, number = {3}, year = {1986}, pages = {183-198}, address = {Ottawa}, keywords = {Arthropods, CENTRAL AMERICA, Diptera, Insects, Invertebrates, NORTH AMERICA, Paragus, Syrphidae, Systematic revision \& distribution}, author = {Vockeroth, J.R.} }