Skleroprotopus securifer, Mikhaljova & Kazarin & Marusik, 2024

Key to species of S kleroprotopus reported from China (based only on males)

1 Coxal processes of the male leg-pair 7 short, knob-like....................................................... 3

2 Coxal processes of the male leg-pair 7 not knob-like......................................................... 5

3 Apex of anterior gonopod coxal process rounded, with protrusion; the coxal process with large, broad, flattened poleaxe-like outgrowth (b, Figs 16, 17 View FIGURES 16–19 )............................................................... S. securifer sp. nov.

4 Apex of anterior gonopod coxal process rounded, without protrusion; the coxal process with different outgrowth.................................................................................................... S. laticoxalis

5 Posterior gonopods stout, broad.......................................................... S. membranipedalis

6 Posterior gonopods slender, elongated.................................................................... 7

7 Coxal processes of the male leg-pair 7 very long, strong, somewhat curved, densely setose on the entire mesal surface.................................................................................................. S. serratus

8 Coxal processes of the male leg-pair 7 cone-shaped, not curved, densely setose on the distomesal surface only.. S. confucius