Dunn's road guarder (Crisantophis nevermanni) is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species, which is monotypic in the genus Crisantophis, is native to Central America.
Crisantophis nevermanni is found in northwestern Costa Rica, El Salvador, Guatemala, western Honduras, and Nicaragua.
The preferred natural habitat of Crisantophis nevermanni is forest, at altitudes of .
Crisantophis nevermanni is terrestrial and diurnal.
Crisantophis nevermanni preys predominately upon frogs and lizards.
Crisantophis nevermanni is oviparous.
The generic name, Crisantophis, is in honor of Miss Crisanta Cháves, who was director of the ' for over 50 years.
The specific name, nevermanni, is in honor of German coleopterist Wilhelm Heinrich Ferdinand Nevermann (1881âÂÂ1938).