Abaciscus tristis is a species of moth belonging to the family Geometridae, and the type species of the genus Abaciscus.

It was described by Arthur Gardiner Butler in 1889.

[1] It is known from the Himalaya, western and southern China, Taiwan and Borneo.

[2] It is infrequent in upper montane forest, ranging from 1,000 to 2,000 meters.

This Boarmiini-related article is a stub.