New species: Pristimantis adnus, collected on Cerro Piña in the Serrania de Sapo, Pacific coast of Darien Province, Panama. Males are about 2 centimeters long. Length of females: unknown. The skin of the back is shagreen in color with scattered, enlarged granules. It has a small, supratympanic ridge, areolate venter and unconcealed tympanic membrane. Iris may be a rosy-gold color.