Borges, Z. M., and M. S. Couri. “Revision of Toxomerus Macquart, 1855 (Diptera: Syrphidae) from Brazil With Synonymic Notes, Identification Key to the Species and Description of Three New Species”. Zootaxa, vol. 2179, no. 1, Aug. 2009, pp. 1–72, doi:10.11646/zootaxa.2179.1.1.