Trephionus niumontanus
# Trephionus niumontanus

Trephionus niumontanus, is a species of beetle belonging to the family Carabidae. It is endemic to Japan.

## Etymology

The specific name niumontanus is from Niu Mountains, where the type specimen was found.

## Description

Body length of male is about 10.6 mm, whereas female is 10.9 mm. Dorsal surface black. Endophallus slender. No hind wings. Dorso-apical lobe narrowly swollen. Apex of aedeagus rounded.

