Triplonychoidus Schwarz, 1906 Figs 123-125

Triplonychoidus Schwarz, 1906: 181. Type species: Triplonychus trivittatus Champion, 1895: 427.

Diagnosis.

Prothorax. Pronotum with lateral carina extending anterad from hind angles following lateral edge, not reaching anterior edge; procoxal cavities open. Pterothorax. Scutellum with middle of anterior edge concave: (broadly or abruptly emarginate). Legs. Tarsomere 4 lobed or lamellate; tarsal claws with two apices per side. Also. Apical half of elytral interval 9 costate. Known from Mexico to South America, females unknown, 2 spp.