Cosmiomorpha

Key to species of subgenus Cosmiomorpha based on male external characters

1. Clypeus subtrapezoidal in ventral view (Figs. 24, 26, 30); apical margin raised, depressed in middle.................... 2

- Clypeus subrectangular in ventral view (Figs. 22, 28, 32, 34); apical margin raised, slightly depressed in middle or straight.. 4

2. Dorsal surface smooth, shiny, usually sparsely clad with short scales (Figs. 66–67, 126, 128–129); protibia comparatively slim, the deflexed tooth short and small (Figs. 39–40, 52–53). Distributed in Taiwan...................... C. sauteri Bourgoin

- Dorsal surface dull, setose, seldom smooth (Figs. 63–65, 73, 89, 91–93, 143); protibia comparatively wide, and the deflexed tooth evedent (Figs. 37–38, 44, 49–51, 57). Distributed in continental Asia....................................... 3

3. Tarsi and tibiae black (Fig. 143–144).................................................. C. nigripedis new species

- Tarsi and tibiae orange red; apical portions of each tarsomere dark brown or black (Figs. 89–93)......... C. decliva Janson

4. Tarsi orange red; the deflexed tooth short, blunt (Fig. 60, 149–150).............................. C. cheni new species

- Tarsi black or dark brown; the deflexed tooth long (Figs. 48, 54–56, 58–59, 76–80, 133–139, 145–146)................. 5

5. Tip of the deflexed tooth rounded (Figs. 58–59)........................................ C. maolanensis new species

- Tip of the deflexed tooth sharp (Figs. 48, 54–56)............................................................. 6

6. Protibia wide, gradually expanded apically; scales on dorsal surface large (Figs. 41–43, 68–72)....... C. fortis new species

- Protibia slim or almost of equal width, scales on dorsal surface small (Figs. 35–36, 61–62)........... C. modesta Saunders