Trigonopterus mesehensis is a species of flightless weevil in the genus Trigonopterus from Indonesia.
Etymology The specific name is derived from that of the type locality.
Description Individuals measure 2.11–2.88 mm in length. Body is slightly oval in shape. General coloration is black, with rust-colored antennae and dark rust-colored legs.
Range The species is found around elevations of on Mount Mesehe on the Indonesian island province of Bali.
Phylogeny T. mesehensis is part of the T. saltator species group.
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