Key to the species of Neobaryssinus Monné & Martins, 1976

1 Lateral pronotal tubercles acute (conical).................................................................................................................... 2

- Lateral pronotal tubercles obtuse (not conical) ....................................................... N. altissimus, new species (Fig. 2)

2 Pronotum with fine punctures; white medial elytral maculae oblique; scape and femora often with small, dark gla- brous spots .................................................................................................................................... N. marianae (Fig. 1)

- Pronotum without fine punctures; white medial elytral maculae not oblique; scape and femora without small, dark glabrous spots .............................................................................................................................................................. 3

3 White medial elytral maculae extending to the elytral suture; dorsum of second tarsomere without pale pubescence ....................................................................................................................................................... N. capixaba (Fig. 4)

- White medial elytral maculae separated by the elytral suture and a fairly broad band of dark pubescence; dorsum of second tarsomere covered with pale pubescence ............................................................................ N. phalarus (Fig. 3)