Alsodes verrucosus (common name: olive spiny-chest frog) is a species of frog in the family Alsodidae.It is found in the Andes of Chile (Cautín and Puyehue) and Neuquén and Río Negro Provinces, Argentina.[1] These frogs inhabit temperate Nothofagus forest where they occur under logs and near damp areas. Tadpoles develop in cold, deep streams.It is threatened by habitat loss caused by logging.