Osteocephalus aecii Ayarzagüena, Señaris, and Gorzula, 1993 "1992" The Monte Duida tree frog (Tepuihyla aecii) is a species of frog in the family Hylidae.

It is endemic to Venezuela and only known from the Cerro Duida, its type locality in the Amazonas state of southern Venezuela.

[2] Its natural habitat is montane tepui vegetation, specifically forest and shrubs adjacent to rivers, streams, and peat bogs.

No significant threats to this species occurring in the Duida-Marahuaca National Park are known.

This Hylidae-related article is a stub.