This species is known only from two localities in Papua New Guinea: the type locality (Arau), and the northern side of the Huon Peninsula. Its altitudinal range is 1,100-1,400m asl.
Habitat and Ecology
It lives in zones transitional between mid-montane and lower-montane forest, where it calls from exposed positions on the forest floor. It has been found only in mature forest.
It is reasonably common where it has been found.
No information is available.
The distribution, habitat requirements and population status of this species need to be documented. It is not known from any protected areas.
Stephen Richards, Richard Zweifel 2004. Mantophryne infulata. In: IUCN 2013