Scaptodesmus, Kala, 2025

Key to species of Scaptodesmus View in CoL

The key below is based on male characters and therefore, Scaptodesmus porati Cook, 1896 is excluded as the gonopods have never been illustrated.

1. Gonopod postfemoral process undivided, complex in structure, folded into a lateral groove, or rake-shaped and bearing 3–4- minute denticles distally................................................................................ 2

- Gonopod postfemoral process bifurcate and mostly simple in structure........................................... 3

2. Solenophore broad, opposite a relatively thin and falcate solenomere branch, lacking a solenomere proper at apex ( Fig. 8 View FIGURE 8 ).................................................................................... S. manengouba sp. nov.

- Solenomere branch about half as wide as solenophore, with a distinct, small solenomere proper at apex ( Figs 4E, 4G View FIGURE 4 ).............................................................................................. S. kala sp. nov.

3. Curvature of postfemoral process showing a small inner blade at mid-length ( Figs 11D, 11F View FIGURE 11 ), tips of the two bifurcate branches of postfemoral process subequal in size............................................... S. vandenspiegeli sp. nov

- Postfemoral process without small inner blade at mid-length of curvature, tips of the two bifurcate branches unequal in size ( Fig. 2C View FIGURE 2 )................................................................................. S. granulosus View in CoL .