Key to the Pycnoderes species of Espírito Santo

1 Head with vertex, median line of front, and apex of clypeus black, remainder..pale yellowish brown; pronotum with median area weakly grooved; embolium with a large pale subbasal spot about twice the length of the smaller apical spot.............................................................................................. P. quadrimaculatus

- Head black; pronotum without median area weakly grooved; embolium with a. pale subbasal spot not twice the length of the apical spot............................................................................. P. cataguasensis