Rhyzobius nitidus is a species of beetle of the family Coccinellidae. It is found in Australia (New South Wales, Australian Capital Territory, Victoria, South Australia).

Description Adults reach a length of about . They have an elongate oval, moderately convex body. They are reddish brown, with the antennae sometimes paler. The dorsum has moderately long pubescence, forming a wavy pattern on the elytra.

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