[2] It is endemic to Brazil and only known from Serra Negra, a part of Mantiqueira Mountains, in Santa Bárbara do Monte Verde, Minas Gerais state.

[1][3] The specific name perere (from Portuguese pererê) is derived from a character in Indian folklore who guards the forest, disrupting its silence with its whistles—in reference to the vocalizations of this species.

The dorsum and dorsal portions of thighs are light olive-brown with dark blotches.

They both day and night; this is unusual as other Hylodes species call by daytime only.

[1] The species has been collected by small streams at elevations of 1,200–1,500 m (3,900–4,900 ft) above sea level in a hilly area covered by seasonal semideciduous forests and dense montane forests.