Trigonopterus duabelas is a species of flightless weevil in the genus Trigonopterus from Indonesia.[1]
The specific name is derived from the Indonesian word for "twelve".
Individuals measure 2.2–2.8 mm in length. General coloration is black, with rust-colored tarsi and antennae. The entire legs are rust-colored in the Mount Slamet population.
The species is found around elevations of 1505m–1858mm (4,938feet–6,096feetm) on the Dieng Plateau and Mount Slapet in the Indonesian province of Central Java.
T. duabelas is part of the T. dimorphus species group.