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Aplastodiscus albosignatus

Aplastodiscus albosignatus (*)

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Amphibia
Subclassis: Lissamphibia
Ordo: Anura

Familia: Hylidae
Subfamilia: Cophomantinae
Genus: Aplastodiscus
Species: Aplastodiscus albosignatus

Aplastodiscus albosignatus (Lutz & Lutz, 1938)

Holotype: MNRJ-AL 722.
Type locality: “Alto da Serra de Cubatão, in the state of S. Paulo”, Brazil.


Hyla albosignata Lutz & Lutz, 1938: 185 [original combination]
Aplastodiscus albosignatus — Faivovich, Haddad, Garcia, Frost, Campbell & Wheeler, 2005: 82 [subsequent combination]
Boana albosignata — Wiens, Fetzner, Parkinson & Reeder, 2005: 743 [subsequent combination, by implication]


Hyla callipygia Cruz & Peixoto, 1985: 34 [synonymised by Berneck, Haddad, Lyra, Cruz & Faivovich (2016: 213)]
Holotype: MZUSP (formerly WCAB 31190).
Type locality: “Serra da Bocaina, S[ão] P[aulo]”, Brazil.

Primary references

Lutz, A. & Lutz, B. 1938. I. On Hyla aurantiaca Daudin and Sphoenorhynchus Tschudi and on two allied Hylae from south-eastern Brazil. II. Two new hylae: H. albosignata n. sp. & H. pickeli. Anais da Academia Brasileira de Ciências 10: 175–194.
Cruz, C.A.G. & Peixoto, O.L. [1984] 1985. Espécies verdes de Hyla: o complexo "Albosignata" (Amphibia, Anura, Hylidae). Arquivos da Universidade Federal Rural do Rio de Janeiro 7: 31–47.
Berneck, B. von M., Haddad, C.F.B., Lyra, M.L., Cruz, C.A.G. & Faivovich, J. 2016. The Green Clade grows: A phylogenetic analysis of Aplastodiscus (Anura; Hylidae). Molecular Phylogenetics and Evolution 97: 213–223. DOI: 10.1016/j.ympev.2015.11.014 Paywall Reference page.


Frost, D.R. 2021. Amphibian Species of the World: an Online Reference. Version 6.1. Electronic Database accessible at https://amphibiansoftheworld.amnh.org/index.php. American Museum of Natural History, New York, USA. DOI: 10.5531/db.vz.0001 Aplastodiscus albosignatus . Accessed on 11 Apr 2008.
Cruz, C.A.G., Telles, A.M. & Carvalho-e-Silva, S.P.. 2004. IUCN: Aplastodiscus albosignatus (Least Concern). The IUCN Red List of Threatened Species 2004: e.T55380A11287680. DOI: 10.2305/IUCN.UK.2004.RLTS.T55380A11287680.en

Vernacular names
English: Lutz's Treefrog

Aplastodiscus albosignatus, also known as the Bocaina treefrog, is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and rivers. It is threatened by habitat loss.


The Bocaina treefrog can grow to a snout-to-vent length of about 5 cm (2.0 in). It has a broad head and pointed snout, and vomerine teeth situated on the roof of its mouth. The large, bulging eyes have golden irises with a horizontal slit pupil, and the tympanum is easily discernible. There is a single vocal sac in the throat. Not only is the general colour of this frog green, but its muscles and bones are green, as well.[2] Several species of closely related tree frogs inhabit the Brazilian forest habitat. The Bocaina treefrog has distinctive, large granulations in the region of its cloacal vent, which helps to distinguish it from other species. Its tadpoles are also distinctive.[3]

The Bocaina treefrog is an arboreal species known from the mountainous parts of south-eastern Brazil at up to 1,800 metres (5,900 ft) above sea level. Much of its range is in national parks, such as the Serra da Bocaina National Park, from where it was first described. Its habitat is in both virgin forests and old secondary growth forests near mountain streams. It does not generally occur in agricultural areas or near human settlements.[2]

Breeding takes place between September and February. The male calls at night from among rocks or from the banks of streams in forests. The eggs are laid in underground nests in the muddy bank, and the developing tadpoles live on the bottom of the stream. They undergo metamorphosis when about 21 mm (0.83 in) long.[2]

Aplastodiscus albosignatus is listed as being of Least Concern in the IUCN Red List of Threatened Species, and is a common species within its range. The population seems to be declining, but not at a sufficiently fast rate to warrant a higher threat categorization.[4]

Carlos Alberto Gonçalves da Cruz, Ana Maria Telles, Sergio Potsch de Carvalho-e-Silva (2004). "Aplastodiscus albosignatus". IUCN Red List of Threatened Species. 2004: e.T55380A11287680. doi:10.2305/IUCN.UK.2004.RLTS.T55380A11287680.en. Retrieved 12 November 2021.
Provete, Diogo Borges (2009-01-27). "Aplastodiscus callipygius". AmphibiaWeb. Retrieved 2012-10-21.
Ednei de Almeida Mercês; Flora Acuña Juncá (2010). "Girinos de três espécies de Aplastodiscus Lutz, 1950 (Anura - Hylidae) ocorrentes no Estado da Bahia, Brasil". Biota Neotropica (in Portuguese). 10 (4): 167–172. doi:10.1590/S1676-06032010000400022.

Sergio Potsch de Carvalho-e-Silva, Carlos Alberto Gonçalves da Cruz (2010). "Aplastodiscus callipygius". IUCN Red List of Threatened Species. 2010: e.T55429A11309914. doi:10.2305/IUCN.UK.2010-2.RLTS.T55429A11309914.en. Retrieved 12 November 2021.

Gonçalves da Cruz, C.A.; Telles, A.M.; Potsch de Carvalho-e-Silva, S. (2004). "Aplastodiscus albosignatus". IUCN Red List of Threatened Species. 2004: e.T55380A11287680. doi:10.2305/IUCN.UK.2004.RLTS.T55380A11287680.en.

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