Rhyzobius macromaculatus is a species of beetle of the family Coccinellidae. It is found in Australia (Queensland).
Description Adults reach a length of about . They have an elongate oval, moderately convex body. They are bicoloured. The pubescence on the dorsum consists of appresed setae and dark stiff bristles along the margins. The dorsal pubescence forms a wavy pattern on the elytra.
Etymology The species name refers to the large, pale macula on both elytra.
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