KEY TO THE SPECIES OF PROTUS

1. Coxa IV with basal thickening (Figs 5I, 31A) and with a lateral yellow stripe (Fig. 31B)........................... 2 1’. Coxa IV convex and without basal thickening (Fig. 35A, C) and with or without yellow spots but without lateral stripe (Figs 35F, 39C, D) ................................................................................................... 3

2. Area II of mesotergum with two paramedian rounded buttons (Fig. 33A, B)............................. P. distinctus 2’. Area II of mesotergum unarmed (Fig. 31B, C) ............................................................................ P. bolivari

3. Coxa IV with scattered yellow tubercles in the lateral region (Fig. 39C, D).................... P. quadripunctatus

3’. Coxa IV without scattered yellow tubercles or with a single small spot (Figs 35F, 40B) ....................... 4

4. DS yellow markings restricted to solid strips in lateral margins (Fig. 40A) ............................... P. speciosus

4’. DS yellow markings only as paramedian dots in area I, III and IV (Fig. 35A), or as a reticulate pattern (Fig. 37), but without lateral solid strips................................................................................................... 5

5. DS scutum with reticulate pattern and anterior margin coloured (Fig. 37); coxa with a single lateral yellow spot (Fig. 37B); stylus of the penis with a small wattle (Fig. 38A–C)............................................ P. marllusi 5’. DS scutum only with paramedian dots in areas I, III and IV (Fig. 35A); coxa without any yellow marks (Fig. 35C, F); stylus of the penis with a large wattle (Figs 35G, H, 36A–C) ............................. P. insolens