This species is known only from the type locality, Marumbi, in Paraná State, Brazil, at approximately 500m asl, although it perhaps occurs elsewhere.
Habitat and Ecology
It lives in humid forest and is associated with streams. Its reproductive habits are not known, but breeding is likely to take place in water.
There is no information regarding the population status of this species, which is known from three specimens collected in 1953. Many researchers have revisited the type locality since 1986, where extensive forest remains, but have not relocated it.
This species is possibly threatened by touristic activities.
Its entire range is in Parque Estadual Pico do Marumbi.
This species was previously within the genus Hyla but has recently been moved to the genus Bokermannohyla.
Magno Vicente Segalla, Débora Silvano 2004. Bokermannohyla langei. In: IUCN 2014