Psychrophrynella illimani is known only from the type locality, from Río Caballuni, 5 km from Totoral on the road to Cooperativa 15 de Agosto (3,594 m asl), Province of Sud Yungas, Department of La Paz, Bolivia (De la Riva 2007). It is thought to have restricted geographical and elevational (perhaps no more than 300 m around the type locality) ranges (I. De la Riva pers. comm. 2008).
Habitat and Ecology
This species is found in an area which has both elfin forest and wet páramo, with abundant mosses on the ground and rocks. Individuals are found under stones by day. Locomotion in most Psychrophrynella species is by walking, but individuals of this species are able to jump short distances (De la Riva 2007).
The species is considered to be rare (De la Riva 2007).
Mining activity has been observed around the area. In addition, a restricted geographic distribution and the predicted effects of climate change (e.g., drying up of regions) are also considered to pose serious threats to the species (I. De la Riva pers. comm. 2008).
No conservation measures are known for this species.
Psychrophrynella illimani is distinguished from other similar species by a combination of colour patterns and morphological features (De la Riva 2007).
De la Riva, I. & Angulo, A. 2009. Psychrophrynella illimani. In: IUCN 2014