Trigonopterus pauxillus is a species of flightless weevil in the genus Trigonopterus from Indonesia.

Etymology The specific name is derived from the Latin word pauxillus, meaning "small". It refers to the species small size.

Description Individuals measure 1.65–2.01 mm in length. General coloration black, with rust-colored tarsi and antennae.

Range The species is found around elevations of around Batu Dulang and Tepal on the island of Sumbawa, part of the Indonesian province of West Nusa Tenggara.

Phylogeny T. pauxillus is part of the T. relictus species group.

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