FERRO, G. B., and S. A. MARSHALL. “A Revision of the Neotropical Ant-Like Genus <em>Cardiacephala</em> Macquart, Including <em>Plocoscelus</em> Enderlein Syn. Nov. (Diptera: Micropezidae, Taeniapterinae)”. Zootaxa, vol. 4429, no. 3, June 2018, pp. 401–458, doi:10.11646/zootaxa.4429.3.1.