Trachischium quiquelabialis Wall, 1911 Trachischium laeve, also known as the olive oriental slender snake, is a species of colubrid snake found in Nepal and Indian Himalaya.

The throat, belly, underside of tail, and first row of dorsal scales are yellowish.

One preocular; one postocular; temporals 1+1.5 upper labials, 3rd and 4th entering the orbit.

Dorsal scales very smooth, shiny, without apical pits, in 13 rows.

There are 17 maxillary teeth in a continuous series, the posterior slightly shorter than the anterior.