Triplonychus Candeze , 1860

Douglas, Hume B., 2017, World reclassification of the Cardiophorinae (Coleoptera, Elateridae), based on phylogenetic analyses of morphological characters, ZooKeys 655, pp. 1-130 : 44

Triplonychus Candeze, 1860 Figs 144-146

Triplonychus Candèze, 1860: 236. Type species: Triplonychus acuminatus Candèze, 1860: 238.

Diagnosis.

Prothorax. Pronotum with carina extending anterad from hind angles following lateral edge (ie, not below lateral edge of prothorax, but in some species not distinguishable from the dorsal hind angle carina), not reaching anterior edge. Legs. Protibiae not modified for digging; tarsi with tarsomere 4 not lobed or lamellate, claws with 3 points per side. Also. Head with area between antenna fossa and compound eye with either carina connecting fossa and eye, or with 2 pits with non-depressed area between. Elytra with apical half of intervals 1-8 costate (Fig. 145). Abdomen. Urosternite 7 (ventrite 5) with second carina mesad of lateral carina. Bursa copulatrix with paired proximal (largest) sclerites elongate, parallel sided. Known from South and Central America, 17 spp.