Key to species group of Paraxantia Liu & Kang

1. Basal half of hind tibia swollen (Fig. 2)................................................. P. rubripes species group

- Basal half of hind tibia normal (Fig. 1).................................................................... 2

2. Male cerci without dorsal furca (Fig. 4A).............................................. P. tibetensis species group

- Male cerci with dorsal furca (Fig. 4C).................................................... P. sinica species group