Key to species of the genus Meroplius of the Australasian/Oceanian Region

1. Surstylus with two median projections (Fig. 7). Male fore femur with two black spines ventrally, distal spine straight (Fig. 2). Male abdominal sternite 4 as in Fig. 4 ................................................................................................................ M. timikana sp. nov.

- Surstylus simple, without median projections (Figs 5, 13). Male fore femur with two black spines ventrally, distal spine forms an acute angle to femur (Fig. 1) or nearly parallel with femur (Figs 9, 10) ........................................................................................... 2

2. Distal spine of male fore femur forms an acute angle to femur (Fig. 1). Male abdominal sternite 4 without strong setae anteriorly (Fig. 3) ........................................................................................................................................................ M. fasciculatus (Brunetti)

- Distal spine of male fore femur nearly parallel with femur (Figs 9, 10). Male abdominal sternite 4 with strong setae anteriorly (Fig. 11) ................................................................................................................................................................ M. wallacei Iwasa