Key to species of Akamboja gen. nov.

1 Pronotum dark brown (Figs 27 and 30)....................................................................2

1’ Pronotum light brown (Fig. 2)............................................................................3

2 Elytron reaches the anterior margin of the second abdominal segment (Fig. 27); lateral region of the head sparsely setose posterior to eyes (Fig. 35); vertex occupying? of head in dorsal view (Fig. 36); specimens from Andradas (Fig. 36)......................................................................................... Akamboja tenebrae sp. nov.

2’ Elytron reaches the anterior margin of the third abdominal segment (Fig. 30); lateral region of the head densely setose posterior to eyes (Fig. 40); vertex occupying 1/2 of head in dorsal view (Fig. 41); specimens from Dores do Rio Preto......................................................................................... Akamboja caparaoensis sp. nov.

3 Eyes occupying two thirds the head width, in lateral view (Figs 5 and 26); apical maxillary palpomere 3.5x longer than subapical (Figs 5 and 26).....................................................................................4

3’ Eyes occupying half head width, in lateral view (Fig. 24); apical maxillary palpomere 4.5x longer than subapical (Fig. 24); specimens from Teresópolis, Itatiaia and São José do Barreiro (altitudinal range 1,200 to 1,900 m)...................................................................................................... Akamboja cleidae sp. nov.

4 Specimens larger (4.1–4.5 mm); elytron large, reaching the posterior margin of the fourth segment of abdomen; vertex occupying? of head in dorsal view (Fig. 31); specimens from Itatiaia, from 1,280 to 1,440 m ..... Akamboja monteirorum sp. nov.

4’ Specimens smaller (3.3–3.8 mm); elytron small, reaching the anterior margin of the third segment of abdomen; vertex occupying? of head in dorsal view (Fig. 6); specimens from Teresópolis and Tijuca, from 200 to 900 m ..................................................................................................... Akamboja minimum sp. nov.