Key to species of Yara (modified from Raudez et al. (2019))

1. Size smaller (1.1–1.4 mm); apex of sternite VIII with an apical emargination...................................... 2

- Size larger (> 1.4 mm); apex of sternite VIII of female without apical emargination................................. 4

2. Hind wings atrophied (Panama).................................................................... Y. dybasi

- Hind wings well-developed............................................................................. 3

3. Each elytrum with a well-defined, central dark brown spot.............................................. Y. oyaguei Each elytrum with a diffused patterning........................................................ Y. marmontsedu 4. Color dark brown, almost black; apex of tergite IX of male tapered to rounded, blunt apex (Brazil)............... Y. vanini

- Color light brown with yellow markings on elytra and abdomen; apex of tergite IX of male tapered to acute point (Venezuela)........................................................................................... Y. maculata