Trigonopterus empat is a species of flightless weevil in the genus Trigonopterus from Indonesia.
Etymology The specific name is derived from the Indonesian word for "four".
Description Individuals measure 2.18–2.24 mm in length. Body is slightly oval in shape. General coloration is dark rust-colored to black, with rust-colored tarsi and antennae and bronze tinted elytra.
Range The species is found around elevations of in Ruteng on the island of Flores, part of the Indonesian province of East Nusa Tenggara.
Phylogeny T. empat is part of the T. saltator species group.
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