Rhyzobius metallicus is a species of beetle of the family Coccinellidae. It is found in Papua New Guinea.
Description Adults reach a length of about . They have a broadly oval, strongly convex body. The dorsum is black with a very intensive green, violet and bluish metallic sheen on the elytra. The ventral surface is black with the antennae blackish brown. The pubescence on the dorsum consists of short appresed setae and darker stiff bristles.
Etymology The species name refers to the very intensive metallic green, violet and blue sheen on the elytra.
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