Hypanthracos Grazia & Campos, 1996

Key to the species of Hypanthracos Grazia & Campos, 1996

1 Tarsi 2-segmented.................................. Hypanthracos ditarsus Grazia & Campos ( Brazil) ( Fig. 4C–D View FIGURE 4 )

- Tarsi 3-segmented.................................................................................... 2

2 Antennomeres 1, 2, two-thirds of 4 and 5 black; male: pygophore trapezoidal with posterolateral angles rounded and slightly developed; female: valvifers 8 convex, shorter than laterotergites 9, with mesial margins not juxtaposed..................................................................... Hypanthracos paranaensis sp. nov. ( Argentina) ( Figs. 1–2 View FIGURE 1 View FIGURE 2 )

- Antennomeres uniformly dark castaneous, distal half of antennomere 4 black; male: pygophore trapezoidal with posterolateral angles rounded; female: valvifers 8 convex, subequal in length to laterotergites 9, with mesial margins juxtaposed............................................ Hypanthracos meridionalis Grazia & Campos ( Brazil and Uruguay) ( Fig. 4A–B View FIGURE 4 )