Key to the nymphs of Paramaka (nymphs of P. lucimarae sp. nov., P. takari sp. nov., and of P. froehlichi are unknown and, therefore, this key should be used with caution)

1. Distal margin of clypeus with a distinct medial projection (Fig. 2A)...................................... P. antonii

1’ Distal margin of clypeus straight or irregular, but never with a distinct projection (Fig. 2B)........................... 2

2(1’). Gills not ended in a thin apical process.................................................................... 3

2’. Gills (all or some) with an apical process.................................................................. 4

3(2). Labrum 1.3 maximum width of clypeus; posterolateral projections weakly developed on abdominal segments VIII and more prominent on segment IX....................................................................... P. pearljam

3’. Labrum 2.2 maximum width of clypeus; posterolateral projections present on segments VII–IX, stronger and clearly diverging from the abdomen on males..................................................................... P. incognita

4(2’) Middle and hind femora with dorsal surface almost uniformly covered with spine-like setae; hind tibia with subapical band covering ½ of its length........................................................................... P. sp. A

4’. Middle and hind femora with dorsal surface with scarce spine-like setae, more restricted to fore and hind margins; hind tibia with subapical band covering ¼ of the length of hind tibia.............................................. P. convexa