Paraephydra

Mathis, Wayne N. & Marinoni, Luciane, 2016, Revision of Ephydrini Zetterstedt (Diptera: Ephydridae) from the Americas south of the United States, Zootaxa 4116 (1), pp. 1-110 : 28

Key to species of Paraephydra

1. Femora of at least foreleg and usually hindleg bicolored, darker basally; gena high, gena-to-eye ratio larger than 0.55.............................................................................................. P. stauros Mathis

- Femora unicolorous, yellow to yellowish orange; gena shorter, gena-to-eye ratio less than 0.40......... P. freitasi (Oliveira)