[2][3] It is found in northeastern China, Japan (Honshu, Kyushu, Shikoku), Korea, and Russia (Amur Oblast, Khabarovsk Krai, Primorsky Krai).

[citation needed] Dorsally it is olive or reddish brown, with small blackish spots.

Some specimens may have a dark olive or blackish vertebral stripe.

The upper labials are yellow, with black sutures.

Ventrally it is yellow, with a series of brown dots or short lines at the outer ends of the ventral scales.