DistributionRead full entry
Range DescriptionThis species occurs in the East and West Usambara Mountains, Tanzania in montane forest above 700 m asl. In this species' 2009 Red List assessment, it was estimated to have an extent of occurrence of approximately 3,250 km2. A reevaluation of its distribution based on expert knowledge and satellite imagery of the Usambara Mountains suggests an extent of occurrence little over half this, at 1,797 km2. Within this range, the combined area of forest fragments where the species is known to occur is 567 km2.