Adelphicos ibarrorum is a species of snake in the family Colubridae. The species is endemic to Guatemala.
The specific name, ibarrorum (Latin, genitive, plural), is in honor of the Guatemalan Ibarra family, especially Jorge Alfonso Ibarra (1921–2000) and Germán A. Ibarra, both conservationists and naturalists.[1]
A. ibarrorum is only known from the highlands of south-central Guatemala in the region of its type locality near Chichicastenango.
A fossorial snake, A. ibarrorum is known from pine-oak forest and forest edge habitats, at elevations of 2000m–2100mm (7,000feet–6,900feetm) above sea level.
The species A. ibarrorum is considered to be "Endangered". It is threatened by deforestation for agricultural purposes.
The largest known specimen and the holotype of A. ibarrorum is a female measuring 5211NaN1 in total length, including a tail length of 581NaN1.
A. ibarrorum is oviparous.