Key to species of Hylica Stål

1. Pronotum with dorsal conical elevated process extending on to crown (Figs 5E, G, 6A); lateral margins of abdominal segments 3–7 with lateroposterior angle produced into spine (Fig.12C–D) (Sub-Himalayan region, Nepal, Myanmar, Thailand, China, Vietnam, Java, Laos)..................................................................... H. paradoxa Stål

- Pronotum without conical anterior projection, anterior margin of pronotum and posterior margin of crown evenly curved (Fig. 6 C, E); lateral margins of abdominal segments 3–7 with lateroposterior angle not produced into spine (Fig.12E) (South India)............................................................................... H. scutealba Tang & Zhang