Trephionus cylindriphallus
# Trephionus cylindriphallus

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

## Etymology

The specific name cylindriphallus is due to cylindrical shape of the endophallus.

## Description

Body length of male is about 8.9–9.8 mm, whereas female is 8.2–10.0 mm. Dorsal surface blackish brown to black. Endophallus cylindrical in shape. No hind wings. Dorso-apical lobe semi-ellipsoid. Apex of aedeagus rounded.

