Epidaus Stal 1859

Key to the Vietnamese species of genus Epidaus Stål, 1859 1. Four pronotal spines black or blackish brown, large and well produced ......................................... 2 – Four pronotal spines black or brown, normal-sized and produced ................................................... 4 2. Posterior pronotal lobe with black or blackish brown transverse band near posterior margin ........... ................................................................................................................. E. longispinus Hsiao, 1979 – Posterior pronotal lobe without black or blackish brown transverse band near posterior margin .... 3 3. Head reddish or brownish red ........................................ E. bachmaensis Truong, Zhao & Cai, 2006 – Head yellowish brown ............................................... E. batxatensis Truong, Nguyen & Ha sp. nov. – Head pale orangish yellow ................................. E. konkakinhensis Truong, Nguyen & Ha sp. nov. 4. Lateral and posterior area of pronotum, disk of scutellum, corium with small round white spots .... ....................................................................................................................... E. famulus (Stål, 1904) – Lateral and posterior area of pronotum, disk of scutellum, corium without small round white spots .................................................................................................................... E. sexspinus Hsiao, 1979