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.

Geographic distribution Crisantophis nevermanni is found in northwestern Costa Rica, El Salvador, Guatemala, western Honduras, and Nicaragua.

Habitat The preferred natural habitat of Crisantophis nevermanni is forest, at altitudes of .

Behavior Crisantophis nevermanni is terrestrial and diurnal.

Diet Crisantophis nevermanni preys predominately upon frogs and lizards.

Reproduction Crisantophis nevermanni is oviparous.

Etymology The generic name, Crisantophis, is in honor of Miss Crisanta Cháves, who was director of the Museo Nacional de Nicaragua for over 50 years.Villa (1971).

The specific name, nevermanni, is in honor of German coleopterist Wilhelm Heinrich Ferdinand Nevermann (1881–1938).Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (Crisantophis nevermanni, p. 189).

References

Further reading Dunn ER (1937). "New or Unnamed Snakes from Costa Rica". Copeia 1937 (4): 213–215. (Conophis nevermanni, new species, p. 214). Köhler G (2008). Reptiles of Central America, 2nd Edition. Offenbach, Germany: Herpeton Verlag. 400 pp. . Savage JM (2002). The Amphibians and Reptiles of Costa Rica: A Herpetofauna between Two Continents, between Two Seas. Chicago and London: University of Chicago Press. xx + 945 pp. . (Crisantophis nevermanni, p. 586). Villa J (1971). "Crisantophis, A New Genus For Conophis nevermanni Dunn". Journal of Herpetology 5 (3-4): 173–177. (Crisantophis nevermanni, new combination). (in English, with an abstract in Spanish).