Adelphicos is a genus of New World burrowing snakes in the family Colubridae.

[1] Species of the genus Adelphicos can be found in Mexico and northern Central America (Belize and Guatemala).

[1][3] The generic name comes from the Greek "adelphikos," meaning "brotherly.

"[4] The specific name, newmanorum (Latin, genitive, plural), is in honor of American zoologist Robert J. Newman and his wife Marcella Newman.

[5] The specific name, sargii (Latin, genitive, singular), is in honor of Franz Sarg (1840–1920) who served as German Consul in Guatemala.