Trigonopterus arjunensis
# Trigonopterus arjunensis

Trigonopterus arjunensis is a species of flightless weevil in the genus Trigonopterus from Indonesia.

## Etymology

The species' name is derived from that of the type locality, Mount Arjuno.

## Description

Individuals measure around 3.09–3.34 mm long. General coloration is black with rust-colored legs and antennae, except for the tarsi, which are also black. The species exhibits sexual dimorphism, with females being slenderer than males.

## Range

The species is found around elevations of 1,388–1,432 metres (4,554–4,698 ft) on the slopes of Mount Arjuno and Mount Wilis in the Indonesian province of East Java.

## Phylogeny

T. arjunensis is in the T. dimorphus species group.

