Arcovomer passarellii Carvalho, 1954 (Amphibia: Anura: Microhylidae): distribution extension in São Paulo state, Brazil and geographic distribution map

Malagoli, Leo Ramos; Condez, Thaís Helena; Haddad, Célio F. B.

doi:10.15560/8.3.505

2012

DOI: 10.15560/8.3.505

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Arcovomer passarellii Carvalho, 1954 (Amphibia: Anura: Microhylidae): distribution extension in São Paulo state, Brazil and geographic distribution map

Leo Ramos Malagoli¹,

Thaís Helena Condez²,

Célio F. B. Haddad³

Abstract: The Passarelli’s Frog, Arcovomer passarellii Carvalho, 1954, was registered for the first time in the city of Santos, on the seacoast of São Paulo state, extending 160 km to southwest of the distribution previously known for this species. Here we show a distribution map for an up-to-date map for A. passarelli.

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“…Therefore, although our records had extended the known distribution of this species, its endangered and restricted habitat, including São Paulo state, are concerns to take account in the conservation of Chiasmocleis carvalhoi and other typical species from restinga forests. This is the case for other anuran species inhabiting restinga forests in the São Paulo state (e.g., Arcovomer passarelli; Malagoli et al 2012). Restinga habitats are one of the most endangered physiognomic forms of the Atlantic rainforest (Marques et al 2011), and consequently, species restricted to and strongly associated with these habitats are prone to severe population declines, as evidenced by the conservation status of Chiasmocleis carvalhoi.…”

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confidence: 99%

Chiasmocleis carvalhoi Cruz, Caramaschi & Izecksohn, 1997 (Anura: Microhylidae): Distribution extension in São Paulo state, southeastern Brazil, and geographic distribution map

et al. 2014

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Moreover, we provided an update geographic range map and modelled the potential distribution of this species based on the new records, literature, and museum-based data from "Coleção de Anfíbios Célio F. B. Haddad (CFBH)", and "Museu de Zoologia Adão José Cardoso", Universidade Estadual de Campinas (ZUEC). We choose these scientific collections due to their well-organized database with an excellent rate of sampling in the studied area, and due to our logistical constraints to sample other scientific collections. However, we are aware of the records equally relevant from other scientific collections (e.g., MNRJ) and which are absent of our data. On 16 December 2011, around 22:00 h during a fieldwork in a private ownership, at municipality of Itanhaém, southern coast of São Paulo state (24°11′1.9″ S, 46°51′44.2″ W; 20 m a.s.l.), we found three males (mean Chiasmocleis is the most species-rich genera of Microhylidae with 29 assigned species, being widely distributed throughout the Neotropical region (Cruz et al. 1997; Frost 2014). In the South America, Chiasmocleis species are associated with the Amazon Forest, open areas of Brazilian savannas, the Chaco region, including Bolivia and Paraguay, and throughout the Atlantic Forest (Caramaschi and Cruz 1997; Frost 2014). Currently, eleven species of Chiasmocleis are assigned to the Atlantic Forest (Frost 2014), including the central humming frog C. carvalhoi. Chiasmocleis carvalhoi (Figure 1) is a small sized species (SVL 15.0-22.0 mm) and is diagnosed by: hands and feet not webbed, finely marbled belly, and smaller size than other Atlantic Forest Chiasmocleis species (maximum SVL = 18.3 mm in males and 22.5 mm in females; see Cruz et al. 1997) described from municipality of Seropédica, Rio de Janeiro state (Cruz et al. 1997). Chiasmocleis carvalhoi lives on the leaf-litter of lowland Atlantic Forest (up to 40 m above sea level (a.s.l.)), breeding after heavy rains as an explosive breeder (Cruz et al. 1997). Males can be found calling on the edges or floating in the earlyformed temporary ponds inside the forest (Izecksohn and Carvalho-e-Silva 2001; Pimenta and Peixoto 2004; Wogel et al. 2004). Pimenta et al. (2002) provided the first record from Bahia state, northeastern Brazil. Recently, records from Espírito Santo state were provided (Almeida et al. 2011), filling a gap between seemly disjoint populations of this species (Pimenta and Peixoto 2004). The known southward limit of its distribution is the Ubatuba municipality on the northern coast of São Paulo State (Hartmann et al. 2002). Herein, we report new records for Chiasmocleis carvalhoi from southern regions of São Paulo state.

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confidence: 99%

Chiasmocleis carvalhoi Cruz, Caramaschi & Izecksohn, 1997 (Anura: Microhylidae): Distribution extension in São Paulo state, southeastern Brazil, and geographic distribution map

et al. 2014

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DNA barcoding reveals species level divergence between populations of the microhylid frog genusArcovomer(Anura: Microhylidae) in the Atlantic Rainforest of southeastern Brazil

Jennings

Wogel

Bilate

et al. 2015

Mitochondrial DNA Part A

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The microhylid frogs belonging to the genus Arcovomer have been reported from lowland Atlantic Rainforest in the Brazilian states of Espírito Santo, Rio de Janeiro, and São Paulo. Here, we use DNA barcoding to assess levels of genetic divergence between apparently isolated populations in Espírito Santo and Rio de Janeiro. Our mtDNA data consisting of cytochrome oxidase subunit I (COI) nucleotide sequences reveals 13.2% uncorrected and 30.4% TIM2 + I + Γ corrected genetic divergences between these two populations. This level of divergence exceeds the suggested 10% uncorrected divergence threshold for elevating amphibian populations to candidate species using this marker, which implies that the Espírito Santo population is a species distinct from Arcovomer passarellii. Calibration of our model-corrected sequence divergence estimates suggests that the time of population divergence falls between 12 and 29 million years ago.

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Arcovomer passarellii Carvalho, 1954 (Amphibia: Anura: Microhylidae): distribution extension in São Paulo state, Brazil and geographic distribution map

Cited by 2 publications

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Chiasmocleis carvalhoi Cruz, Caramaschi & Izecksohn, 1997 (Anura: Microhylidae): Distribution extension in São Paulo state, southeastern Brazil, and geographic distribution map

Chiasmocleis carvalhoi Cruz, Caramaschi & Izecksohn, 1997 (Anura: Microhylidae): Distribution extension in São Paulo state, southeastern Brazil, and geographic distribution map

DNA barcoding reveals species level divergence between populations of the microhylid frog genusArcovomer(Anura: Microhylidae) in the Atlantic Rainforest of southeastern Brazil

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