Trigonopterus ijensis is a species of flightless weevil in the genus Trigonopterus from Indonesia.[1]
The specific name is derived from that of the type locality.
Individuals measure 2.75–3.31 mm in length. General coloration is black, with rust-colored legs and head. The elytra are dark rust-colored, with a black band running transversely across them.
The species is found around elevations of NaNm (-2,147,483,648feet) on Mount Ijen, in the Indonesian province of East Java.
T. ijensis is part of the T. dimorphus species group.