Key to males of Pliocaloca from Australia

1 Inferior appendage with a long, slender, process arising medially from the base (Figs 2, 6) ...................................... 2

- Inferior appendage without a long, slender, process arising medially from the base (Figs 14, 17 in Neboiss 1984)…4

2 Preanal appendage long, extending to about half the length of segment X (Figs 1, 5) ................................................ 3

- Preanal appendage short (Fig 19 in Neboiss 1984) ....................................................................................... P. dasodes

3 Slender process arising medially from inferior appendage abruptly curved outward at about 1/3rd length (Fig. 2) ..... ........................................................................................................................................................... P. fidesria sp. nov.

- Slender process arising medially from inferior appendage without abrupt curve, gently angled outwards (Fig. 6)...... ......................................................................................................................................................... P. kleithria sp. nov.

4 Segment X incised deeply, beyond half the length of the segment (Fig. 16 in Neboiss 1984). Inferior appendages with apico-mesal angles produced and pointed (Fig. 17 in Neboiss 1984) .............................................. P. mucronata

- Segment X incised to about half the length of the segment (Fig. 13 in Neboiss 1984). Inferior appendages with apico-mesal angles produced and rounded (Fig. 14 in Neboiss 1984) ....................................................... P. fastigiata