Key to species of Apteroathlia new genus

1. Anterior labral margin broadly concave and not upturned medially (Fig. 4), dorsal color black (pronotum sometimes medially or completely light brown/tan) (Figs. 1–2)............................. Apteroathlia nox Smith and Evans, new species

- Anterior labral margin narrowly concave and upturned medially (Fig. 9), dorsal color tan to light brown (Figs. 6–7)................................................................ Apteroathlia translucida Smith and Evans, new species