Batesiana, CHALUMEAU, 1983

Skelley, Paul E. & Vaz-de-Mello, Fernando Z., 2022, A Second Species of Batesiana Chalumeau, 1983 (Coleoptera: Scarabaeidae: Aphodiinae: Eupariini), The Coleopterists Bulletin 76 (4), pp. 612-618 : 613

KEY TO THE SPECIES OF BATESIANA

1. Medial clypeal gibbosity moderately prominent, obtusely (> 90°) angled in lateral view ( Fig. 7 ); lateral pronotal explanation with posterior angle right-angled, not projecting posteriorly ( Fig. 6 ); prosternal process behind coxae with carina encompassing broad triangular area flattened medially ( Fig.8 ); metafemur with posterior line complete ( Fig. 8 ) ................ B. tuberculata (Bates)

1’. Medial clypeal gibbosity tuberculate, 90° in lateral view ( Fig. 2 ); lateral pronotal explanation with posterior angle more acute (<90°), projecting posteriorly ( Fig. 1 ); prosternal process behind coxae with carina enclosing a circular area with a median tubercle ( Fig. 3 ); metafemur with posterior line effaced proximally ( Fig. 3 ) ....................... B. chamorroi Skelley and Vaz-de-Mello, new species

Figures

Figs. 6–12. Batesiana tuberculata. Adult from Suriname: 6) Dorsal habitus; 7) Lateral habitus; 8) Ventral habitus; 9) Head and pronotum, oblique dorsal view; 10) Head and prothorax, oblique ventral view showing swollen mentum. 11–12) Male genitalia, dorsal and lateral view, specimen from Barro Colorado Island, Panama. Scale line on Figs. 8–10 = 1 mm, Fig. 11 = 0.5 mm. Figs. 6–8 at same scale. Figs. 11–12 at same scale.

Figs. 1–5. Batesiana chamorroi, new species, holotype. 1) Dorsal habitus; 2) Lateral habitus; 3) Ventral habitus; 4) Head and pronotum, oblique dorsal view; 5) Head and prothorax, oblique ventral view showing medially projecting mentum. Scale line on Figs. 3–5 = 1 mm. Figs. 1–3 at same scale.