Key to the species of Currhaeus

1. Apical 1/2 of elytra dark brown, basal 1/2 light brown with primary costae yellow (Fig. 4). Distribution: Brazil (Espírito Santo state)............................................................................... C. striatus sp. nov.

- Elytra yellow with apical 1/2 to 1/4 brown................................................................. 2

2. Elytra yellow with distal 1/4 brown (Fig. 5). Phallus apex with ellipsoid expansion (Fig 12B). Distribution: Brazil (Paraná state)........................................................................... C. nigroapicalis sp. nov.

- Elytra yellow with apex brown and at least basal portion of elytral suture brown .................................... 3

3. Elytra yellow, with suture and distal half brown (Fig. 7). Phallus apex subcylindrical (Fig. 14B). Distribution: Mexico (Tabasco state)............................................................................ C. tabascencis sp. nov.

- Elytra yellow with basal 1/3 of suture and distal 1/3 brown.................................................... 4

4. Pronotum with lateral margins slightly convex (Fig. 8), aedeagus with phallus and phallobase junction almost as wide as phallus width (Fig. 15A, C). Distribution: Brazil (São Paulo state)...................................... C. ruschii sp. nov.

- Pronotum with lateral margins almost straight to slightly concave............................................... 5

5. Antennomeres 3 to 5 subequal in length, hind femur as long as tibia, 2.7× longer than trochanter length, junction between base of phallus and phallobase as wide as phallus width (Fig. 13a). Phallus apex like goose head up (Fig. 13A, B). Distribution: Panama (Chiriqui province)........................................................... C. championi sp. nov.

- Antennae with at least antennomere 3 shorter than antennomeres 4 and 5, hind femur as long as tibia, 3.6× longer than trochanter................................................................................................. 6

6. Antennomere 5, 1.8× longer than 4 and 1.5× longer than antennomere 3, maxillary palpomere 2 about 3× longer than palpomere 3, phallus apex with subhemispherical expansion, aedeagus with narrow junction between phallus and phallobase, (Fig. 16 A-C). Distribution: Brazil (São Paulo state)................................................. C. polegattoi sp. nov.

- Antennomeres 4 as long as 5, 1.3× longer than antennomere 3 length, maxillary palpomere 2 twice longer than 3, phallus apex with spherical expansion, phallus–phallobase junction almost as wide as phallus width (Fig. 17). Distribution: Brazil (Paraná state)............................................................................ C. paranaensis sp. nov.