Scybalocanthon, Martinez, 1948

Vaz-De-Mello, Fernando Z. & Silva, Fernando A. B., 2017, A new species of the genus Scybalocanthon (Coleoptera, Scarabaeidae, Scarabaeinae) from the Atlantic rainforest, with an identification key to the species from South America south of the Amazon basin, Zootaxa 4300 (1), pp. 142-146 : 144-145

Key to the Scybalocanthon species from South America south Amazon basin

1. Legs with yellow and black coloration along its length........................................................2

- Legs completely dark brown or black.................................. S. zischkai ( BOLIVIA, Cochabamba; Fig. 3).

2. Elytral surface with yellow and black coloration.............................................................3

- Elytra completely dark brown or black...................... S. korasakiae ( BRAZIL, Minas Gerais, São Paulo; Fig. 3).

3. Elytra with yellow horizontal band on its central portion occupying approximately one-third of elytral length ( Fig. 1 ); metepis- ternae dark brown or black ( Fig. 2 ); anterior and posterior margins of pronotum with triangular black spot on the middle por- tion ( Fig. 1 )........................................................ S. batesi sp. nov. (BRAZIL, Bahia; Fig. 3).

- Most of elytral surface yellow, black coloration restrict to elytral edge; metepisternae and pronotum yellow......................................... S. nigriceps ( BRAZIL: Paraná, Rio de Janeiro and São Paulo; PARAGUAY: Caazapa; Fig. 3).

Figures

FIGURES 1 – 2. Scybalocanthon batesi sp. nov.; 1. dorsal view; 2. ventral view; Figure 3. Known distribution of S. nigriceps, S. zischkai, S. korasakiae and S. batesi sp. nov..