Metatrogus septuosus is a species of beetle of the family Scarabaeidae. It is found in Australia (southern Queensland).
Description Adults reach a length of about . The head, pronotum and scutellum are black, while the elytra, abdomen and legs are very dark reddish-brown. The abdominal sternites and pygidium are densely covered with white setae and the dorsal surface has a dull, pruinose bloom.
Life history Adults have been collected from November to February.
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