Saprositellus

Skelley, Paul E., 2007, New South American taxa of Odontolochini Stebnicka and Howden (Coleoptera: Scarabaeidae: Aphodiinae), Insecta Mundi 2007 (22), pp. 1-15 : 10-11

Key to species of Saprositellus

(modified from Stebnicka 2003)

1. Pronotum trapezoidal; elytra strongly widened in apical third ( Fig. 17 , 24 ), intervals weakly convex, strial punctures moderate in size, intervals twice as wide as striae ........................... 2

— Pronotum subquadrate; elytra slightly widened in apical third or parallel-sided ( Fig. 18-19 ), intervals convex to carinate, strial punctures coarse, intervals slightly wider than striae or narrower. ................................................................................................................................................... 3

2(1). Pronotal lateral margin obtusely angled ( Fig. 20 ); basal pronotal punctures larger than those on head; posterior edge of meso- and metafemora strongly lobed at middle; Peru.......................... ............................................................................................................ S. peruanus Stebnicka

— Pronotal lateral margin evenly rounded to base ( Fig. 21 ); basal pronotal punctures same size as those on head; posterior edge of meso- and metafemora entire, very weakly lobed; Guyana..... ................................................................................................................ S. kenodontus , n. sp.

3(1). Pronotal punctures on disc separated by about one diameter, base lacking marginal line; elytral intervals slightly wider than striae, convex ( Fig. 22 ); posterior edge of meso- and metafemora slightly lobed medially; Brazil, Peru............................................ S. denticulatus Balthasar

— Pronotal punctures on disc separated by less than one diameter, base with marginal line; elytral intervals narrower than striae, carinate ( Fig. 23 ); posterior edge of meso- and metafemora unlobed ....................................................................................................................................... 4

4(3). Elytral humeral denticles large ( Fig. 18 ); basal tarsomere of metatarsus equal in length to second tarsomere; tropical South America .................................................. S. ariquemes Stebnicka

— Elytral humeral denticles small ( Fig. 19 ); basal tarsomere of metatarsus longer than second tarsomere; Panama.......................................................................... S. santaritae Stebnicka

Figures

Figure 17-19. Saprositellus spp., dorsal habitus images. 17) Saprositellus peruanus Stebnicka, holotype. 18) Saprositellus ariquemes Stebnicka. 19) Saprositellus santaritae Stebnicka, holotype.

Figure 24-25. Saprositellus kenodontus, n. sp. 24) Dorsal habitus. 25) Ventral habitus.

Figure 20-23. Saprositellus spp., head to elytral bases. 20) Saprositellus peruanus Stebnicka, holotype. 21) Saprositellus kenodontus, n. sp. 22) Saprositellus denticulatus Balthasar. 23) Saprositellus ariquemes Stebnicka.