Trigonopterus diengensis

Trigonopterus diengensis 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 1.92–2.36 mm in length. The body is slightly oval in shape. General coloration is black, with rust-colored legs and antennae.

Range
The species is found around elevations of 1115 m on the Dieng Plateau in the Indonesian province of Central Java.