^ abPhilippi, Rodolfo Amando (1865). "Aufzahlung der chilenischen Dipteren". Abhandlungen der Zool.-Botan. Gesellschaft in Wien. 15: 595–782. Retrieved 28 April 2019.
^ abShannon, R.C. (1925). "Some American Syrphidae (Diptera)". Proceedings of the Entomological Society of Washington. 27: 107–112. Retrieved 30 September 2021.
^Hull, Frank Montgomery (1930). "Some new species of Syrphidae (Diptera) from North and South America". Transactions of the American Entomological Society. 56: 139–148, 1 pl.
^ abThompson, F. Christian; Vockeroth, J. Richard; Sedman, Yale S; Papavero, N (1976). "Family Syrphidae"(PDF). A catalogue of the Diptera of Americas South of the United States. Sao Paulo: Museum of Zoology of the University of Sao Paulo. 9 (8): 1–195. Retrieved 20 July 2021.
^ abcdefghHippa, H. (1978). "Classification of Xylotini (Diptera, Syrphidae)". Acta Zoologica Fennica. 156: 1–153.
^ abcHull, Frank Montgomery (1944). "A study of some syrphid flies of South America". Revista Entomologia. 15: 34–54.
^Schiner, I.R. (1868). Diptera. vi In [Wullerstorf-Urbair, B. von (in charge)], Reise der osterreichischen Fregatte Novara. Zool. 2(1)B. Wien: K. Gerold's Sohn. pp. 388pp., 4 pls.