Trigonopterus kalimantanensis is a species of flightless weevil in the subfamily Cryptorhynchinae from Kalimantan (Borneo, Indonesia).
Etymology The specific name is derived from the Indonesian word for Borneo, Kalimantan.
Description Individuals measure 2.35–2.65 mm in length. General coloration is a dark rust-color, with a black pronotum and light rust-colored antennae.
Range The species is found around elevations of in Tanjung Redeb, part of the Indonesian province of East Kalimantan.
Phylogeny T. kalimantanensis is part of the T. bornensis species group.
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