On the tip of the forehead sit two distinct elevations that almost touch each other at the back and move away from each other towards the front.

At the rear edge of the eighth abdominal segment there is a centrally located elevation.

Females grow to 44 to 49 millimetres (1.7 to 1.9 in) long and show when fresh adult or as older nymphs the pattern of black spots on vividly combined beige and brown tones, which is also typical for other females of the genus.

In this it differs from the females of the closely related Orestes shirakii, whose mesonotum is slightly widened to the rear, while the metanotum is rectangular.

As holotype he chose a female that had already been collected on May 8, 1982, by Masaya Okada on Yakushima, which is deposited in the Osaka Museum of Natural History.

[4] The first, and so far only, stock widespread in terrariums has been a sexually reproducing line, in breeding in Europe since 2013.

Leaves of bramble or other Rosaceae are eaten, as well as Gaultheria shallon (salal), hazel, oak, beech, as well as from Epipremnum and other Araceae.