Key to species of Akemetopon

1. Median carina of frons conspicuous (Fig. 1 C), forewings dark, without pale apical band (Fig. 1 A), fastigium pointed in lateral view (Fig. 1 B).............................................................................. A. inornatum

- Median carina of frons weak (Figs 2 C, 3C), Forewings with pale apical band (if pale, band may not be apparent) (Figs 2 A, 3A); fastigium pointed ( A. politum; Fig. 2 B) or rounded ( A. ainigma; Fig. 3 B) in lateral view........................ 2

2. Fastigium rounded in lateral view (Fig. 3 B), carinae of vertex concolorous with foveae (Fig. 3 A), less conspicuous; Arizona............................................................................................. A. ainigma

- Fastigium pointed in lateral view (Fig. 2 B); lateral and sublateral carinae of vertex conspicuous (Fig. 2 A), paler than foveae; Mexico ..................................................................................... A. politum