Parastasia xanthopyga is a species of beetle of the family Scarabaeidae. It is found in Malaysia.
Description Adults reach a length of about . The head is blackish, while the pronotum, scutellum and elytra are dark reddish, the former with a vague darker median area. The propygidium and pygidium are light yellowish brown and the underside is dark reddish. The legs are dark red to black.
References