Key to species of Singaporemma Shear, 1978

Male (Referring to characters of the palpal embolus):

1. Et bifurcate (Fig. 6E, e, F, f)............................................................................. 2

- Et not bifurcate ....................................................................................... 3

2. E starts at the prolateral side of the Pb (Fig. 6F)...................................................... S. bifurcata

- E starts at the ventral side of the Pb (Fig. 6E)..................................................... S. wulongensis

3. E narrow............................................................................................ 4

- E wide, belt-shaped (Fig. 6H, h).................................................................. S. adjacens

4. E almost straight, only variable at Et...................................................................... 5

- E distally bent at about 1/3 of its length (Fig. 6G, g)............................................. S. takensis sp. n.

5. Et knife shaped (Fig. C, c)...................................................................... S. singulare

- Et not knife shaped.................................................................................... 6

6. Et wide.............................................................................................. 7

- Et narrow, and pointed (Fig. 6B, b)............................................................ S. banxiaoensis

7. Et as in Fig. 6A, a........................................................................... S . halongense

- Et as in Fig. 6D, d........................................................................... S . lenachanae