Ischnocnema sanctaecrucis is a species of frog in the family Strabomantidae. It is endemic to Bolivia where it is known from the Santa Cruz and Cochabamba Departments.[1] It is an uncommon, terrestrial frog inhabiting the Yungas forest (humid montane forest, including cloud forest, of theAndean slopes); it tolerates disturbed habitats. It has been found under rocks; males have been observed perching on small secondary vegetation. It is not considered threatened by the IUCN. Its range includes the Carrasco and Amboró National Parks.
Oreobates sanctaecrucis are medium-sized among the Oreobates; adults measure 35mm48mm in snout–vent length. The head is large and wider than long; the snout is short. The dorsum is pale brown to dark brown with cream flecks; the skin is granular, with round keratinized granules and small, sparse, low, flat warts.[2]