Key to males of Sycorax species known to occur in New Caledonia

1. Parameres with medial processes (Figs. 19, 26); aedeagus with apices acuminate.................................... (Figs. 20, 27), without lateral dentation.................................................................... 2

- Parameres without medial processes (Figs. 16, 32, 40); aedeagus with apices....................................... triangular (Fig. 17) or with lateral dentation (Figs. 33, 41).................................................... 3

2(1). Parameres with medial process smoothly arcuate, dorsomedial process elongate, extending beyond aedeagus, swollen at midlength (Fig. 26)........................................................................... S. spina sp. nov.

- Parameres with medial processes sinuous, dorsomedial process short, not extending beyond aedeagus (Fig. 19).................................................................................................. S. sinuosa sp. nov.

3(1). Aedeagus with apices curved laterally, with one or more lateral dentes (Figs. 33, 41)................................ 4

- Aedeagus with apices triangular, without lateral dentes (Fig. 17); parameres with dorsomedial process bipartite, with dorsal part digitiform, ventral part bifurcate at apex (Fig. 16)............................................ S. furca sp. nov.

4(3). Apices of aedeagus each with three lateral dentes (Fig. 33); parameres with dorsomedial process capitate, with bulbous apex (Fig. 32)............................................................................. S. tridentata sp. nov.

- Apices of aedeagus each with two lateral dentes (Fig. 41); parameres with dorsomedial process digitiform, without bulbous apex (Fig. 40)........................................................................... S. webbi sp. nov.