Thompson, F. C. (1999). A key to the genera of the flower flies (Diptera, Syrphidae) of the Neotropical Region including descriptions of new genera and species and a glossary of taxonomic terms used. Contributions on Entomology International. 3: 321-378.
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Thompson, F. C.
1999
A key to the genera of the flower flies (Diptera, Syrphidae) of the Neotropical Region including descriptions of new genera and species and a glossary of taxonomic terms used