Cyanotiphia Cameron, 1907

Key to all the known species of the genus Cyanotiphia Cameron, 1907

(female and male)

1. Marginal cell of fore wing completely closed; metasoma with 7 segments. Male................................... 2

- Marginal cell of fore wing open; metasoma with 6 segments. Female............................................ 4

2. Body black; transverse carina of T1 angled backward in the middle ( Figs 1 View FIGURES 1–8 , 9 View FIGURES 9–16 ).................................... 3

- Body metallic blue; transverse carina of T1 without an angle backwards in the middle, almost straight.............................................................................................. C. ruficauda Cameron, 1907

3. Anterior margin of clypeus almost straight ( Fig. 2 View FIGURES 1–8 ); APWL= 2.2: 1.4: 1.4; lateral longitudinal carina of disc of propodeum oblique outward, propodeal areola as long as wide ( Fig. 4 View FIGURES 1–8 ); pygidium of T7 with lateral carina ( Fig. 8 View FIGURES 1–8 )................................................................................................. C. breviclypeola sp. nov.

- Anterior margin of clypeus distinctly curved and angled in the middle, clypeus almost triangular ( Fig. 10 View FIGURES 9–16 ); APWL= 1.4: 1: 1.9; lateral longitudinal carina of disc of propodeum almost vertical, propodeal areola almost 2× longer than wide ( Fig. 12 View FIGURES 9–16 ); pygidium of T7 without lateral carina ( Fig. 16 View FIGURES 9–16 )........................ C. fenchihuensis ( Tsuneki, 1986) , comb. nov.

4. Body black; lower frons above interantennal area highly raised in broad triangle.................................................................................................. C. fenchihuensis ( Tsuneki, 1986) , comb. nov.

- Body metallic blue; lower frons above interantennal area without high rise.................. C. ruficauda Cameron, 1907