Sipalinus gigas is a species of beetles belonging to the family Curculionidae.
Sipalinus gigas can reach a length of 12-. The surface is covered with brownish crusty coating. Beak is moderately arcuate and punctured. Pronotum is longer than wide. Elytra shows dark brown stripes with whitish areas bearing tubercles. These beetles are usually found under bark of dying or felled trees and the larvae live in dead or decaying trees.
The species can be divided into the following two subspecies:
This species can be found in Korea, China, Japan, Himalayas, India and islands of Australasia, from Philippines to New Guinea, Solomon Islands and eastern Australia.
