Liparetrus trichotus is a species of beetle of the family Scarabaeidae. It is found in Australia (New South Wales).
Taxonomy This species belongs to the marginipennis species group. The defining characters of this group include the presence of setae on the disc of the pronotum. The elytra normally also have setae on the disc, but these may be absent, in which case there is at least a continuous fringe of setae on the anterior margin.
Description Adults reach a length of about . The body is black and the elytra are very dark brown with pale yellow apical margins. The antennae and legs are dark brown.
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