Actinus imperialis is a beetle of the Staphylinidae family, Staphylinidae subfamily.
Actinus imperialis Wikipedia
Actinus imperialis can reach a length of about 19–22 millimetres (0.75–0.87 in). This colorful staphylinid has a very large jaws, head and pronotum are metallic green, pronotum is strongly convex and punctured, elytra are purplish, rugose-punctate, abdomen is narrowed behind and legs are reddish testaceous. This beetle has been reported on Cardamom and usually preys flies attracted to carrion and dung.
This species occurs in Papua New Guinea and in Australia (Cape York Peninsula).