De Silva's Rough-sided Snake

De Silva's rough-sided snake is a colubrid endemic to Sri Lanka, known from the Knuckles Mountain Range in the Matale District. It is named for P. H. D. H. de Silva, director of the National Museums of Sri Lanka from 1965 to 1981 and author of a book on the snake fauna of Sri Lanka (Wikipedia, general species account).

No further species-level description was available in the source consulted, and no status is given for it in the Sri Lanka National Red List 2012 list checked.