Adult: Species description based on Duellman (2001) and Savage (2002). A smaller hylid (males to 33 mm). Dorsal: Dorsal surfaces smooth and range from brown to bright green in coloration (individuals can change their color). A white stripe extends along the side of the body from the head to the groin. The stripe is bordered below by a thin black line along the side of the body, but not along the lip. Ventral: Ventral surfaces granular and yellow in color. Ventral coloration lightens to white on the throat and underside of head. Concealed surfaces: Concealed surfaces of thigh (below and rear) are yellow. Eye: The iris is bright red.
Habitat: Lowland rainforest to 440 m. Call: A bell-like "ping" (Savage 1968). Type locality: Costa Rica: Provincia de Limón: Cantón de de Limón: Alta Talamanca: 21 km SW Amubri at confluence of Río Lari and Río Dipari, 800 m