Yara, Reichardt & Hinton, 1976

Trujillo, Gabriel A. & Cañote, Javier, 2019, First confirmed species record of Hydroscaphidae from Peru: description of a new species of Yara Reichardt and Hinton, and key to species (Coleoptera: Hydroscaphidae), Zootaxa 4638 (3), pp. 344-350 : 349-350

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