Weirius is a genus of beetle of the family Curculionidae. It is monotypic, being represented by the single species, Weirius suturalis, which is found in Australia (New South Wales, Queensland).
Description Adults reach a length of about . They are dark reddish-brown, with the legs and antennae paler. They are densely clothed with greyish-white scales mottled with darker ones, becoming whitish, or with a faint bluish tinge, on the underside.
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