Reptilia, Squamata, Serpentes, Dipsadidae, Pseudoeryx plicatilis (Linnaeus, 1758): new records and geographic distribution map

Scartozzoni, Rodrigo Roveri; Trevine, Vivian C.; Germano, Valdir J.

doi:10.15560/6.4.534

2010

DOI: 10.15560/6.4.534

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Reptilia, Squamata, Serpentes, Dipsadidae, Pseudoeryx plicatilis (Linnaeus, 1758): new records and geographic distribution map

Rodrigo Roveri Scartozzoni¹,

Vivian C. Trevine²,

Valdir J. Germano³

Abstract: We reviewed the geographical distribution of Pseudoeryx plicatilis in South America, and present new records in Bolivia and from nine Brazilian states. This is the first record of P. plicatilis in the states of Acre, Amapá, and Roraima, northern region of Brazil. The presence of P. plicatilis in the municipality of Alta Floresta expands its distribution about 650- 700 km northward in the state of Mato Grosso, and about 620 km southward from the nearest localities in the state of Pará. Other new records are pre… Show more

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Cited by 3 publications

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“…Additionally, there is evidence that both barriers have affected the genetic structure and/or the distribution of several taxa, including capybaras (Mones, 1991), bats (Romero, 2003), snakes (Schargel, Fuenmayor, Barros, Péfaur, & Navarrete, 2007;Scartozzoni, Trevine, & Germano, 2010), lizards (Miralles et al, 2009;Stephen, Reynoso, Collett, Hasbun, & Breinholt, 2013), turtles (Vargas-Ramírez et al, 2012, Vargas-Ramírez, Carr, & Fritz, 2013 and birds (Pereira & Baker, 2004). Using these conditions, both the Paleogeographic and the Riverine hypothesis can be tested.…”

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confidence: 99%

Genetic structure of Tupinambis teguixin (Squamata: Teiidae), with emphasis on Venezuelan populations.

Ripoll

Herrera

Arrivillaga

2015

RBT

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Tupinambis teguixin, the common tegu, is the only species of the genus found in Venezuela. It is distributed in different bioregions in the Neotropics, some of them separated by geographic barriers that may restrict gene flow among populations. Thus, to assess this possibility, we tested the Paleogeographic hypothesis and the Riverine hypothesis for the divergence among populations. To this end, we evaluated the degree of genetic structuring in six populations of T. teguixin from Venezuela, plus one from Brazil and one from Ecuador. We used two molecular datasets, one with the populations from Venezuela (Venezuela dataset, 1 023 bp) and one including the other two (South America dataset, 665 bp), with 93 and 102 concatenated sequences from cytochrome b and ND4, and 38/37 haplotypes. We used three measures of genetic diversity: nucleotide diversity, haplotype diversity and number of polymorphic sites. Gene flow was estimated with the statistic Φ ST and paired F ST values. We also constructed a haplotype network. We found genetic structuring with (1) Φ ST = 0.83; (2) high paired F ST estimates (0.54 -0.94); (3) haplotype networks with a well-defined geographic pattern; and (4) a single shared haplotype. The genetic structure does not seem to stem from geographic distance (r = 0.282, p = 0.209), but rather the product of an historic biogeographic event with the Mérida Andes and the Orinoco River (71.2 % of the molecular variance) as barriers. We propose the Zulia population as an Evolutionary Significant Unit and that the other populations be temporarily considered Management Units, pending further data. Populations Delta and Guri should form a single Management Unit since they share a haplotype. Rev. Biol. Trop. 63 (4): 1235-1249. Epub 2015 December 01.Key words: geographic barriers, mitochondrial DNA, population genetics, population structure, Tupinambis teguixin, Venezuela.The South American subcontinent harbors the greatest biological diversity on Earth and its origin is usually attributed to historical factors involving vicariant mechanisms or allopatric speciation. The main hypotheses are: the Refuge hypothesis, the Gradient hypothesis, the Disturbance-vicariance hypothesis, the Paleogeography hypothesis, and the River or Riverine hypothesis (Haffer, 1997;Moritz, Patton, Schneider, & Smith, 2000), with the latter two being the most frequently tested. The Paleogeography hypothesis considers changes in the relative distribution of land, sea or landscape as a result of tectonic movements (e.g., mountains rising) or sea level fluctuations as major factors in the distribution of species in the Neotropics (Haffer, 1997). For instance, a number of studies have shown the impact of the rise of the Andes Cordillera on the dispersal of individuals of the same or different species, by assessing the genetic structure of populations on both sides of the Andes and/or by describing their restricted distributions due to the barrier (Mones, 1991;Brumfield & Capparella, 1996;Arrivillaga, Norris, Feliciangeli, & Lanzar...

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mentioning

confidence: 99%

Genetic structure of Tupinambis teguixin (Squamata: Teiidae), with emphasis on Venezuelan populations.

Ripoll

Herrera

Arrivillaga

2015

RBT

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Serpentes do Estado de Rondônia, Brasil

et al. 2012

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Esse estudo teve como objetivo atualizar a lista de serpentes do estado de Rondônia a partir de levantamento bibliográfico, e fornecer algumas informações sobre a distribuição das espécies. São registradas para o estado de Rondônia 118 espécies de serpentes, pertencentes a oito famílias: Leptotyphlopidae (4 espécies), Typhlopidae (1), Aniliidae (1), Boidae (6), Colubridae (21), Dipsadidae (67), Elapidae (9) e Viperidae (9). Dessas, 109 foram registradas para áreas de floresta amazônica e 27 em cerrado. A menor riqueza encontrada em cerrado (27 espécies) provavelmente deve estar associada aos poucos trabalhos desenvolvidos nessas áreas e pelo fato dessa formação vegetal ocupar uma área de cerca de apenas 5% do estado. Nove espécies (Epicrates crassus, Chironius flavolineatus, Drymoluber brazili, Apostolepis striata, Oxyrhopus rhombifer, Pseudoboa nigra, Xenodon merremii, Bothrops mattogrossensis e Crotalus durissus) foram registradas exclusivamente em áreas de cerrado, sendo formas associadas a esse ambiente na Amazônia. Seis espécies (Masticophis mentovarius, Apostolepis striata, Erythrolamprus mimus, Micrurus mipartitus, Micrurus sp. e Bothrocophias microphthalmus) são conhecidas no Brasil apenas para Rondônia. Existem lacunas sobre o conhecimento das serpentes em algumas regiões de Rondônia, sendo essencial a realização de mais estudos de inventário. Tal necessidade se torna mais urgente devido à crescente destruição dos habitats ao longo do Cerrado e nas porções sul da Amazônia.

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Atlas of Brazilian Snakes: Verified Point-Locality Maps to Mitigate the Wallacean Shortfall in a Megadiverse Snake Fauna

Nogueira

Argôlo

Arzamendia

et al. 2019

South American Journal of Herpetology

202

214

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Reptilia, Squamata, Serpentes, Dipsadidae, Pseudoeryx plicatilis (Linnaeus, 1758): new records and geographic distribution map

Cited by 3 publications

References 7 publications

Genetic structure of Tupinambis teguixin (Squamata: Teiidae), with emphasis on Venezuelan populations.

Genetic structure of Tupinambis teguixin (Squamata: Teiidae), with emphasis on Venezuelan populations.

Serpentes do Estado de Rondônia, Brasil

Atlas of Brazilian Snakes: Verified Point-Locality Maps to Mitigate the Wallacean Shortfall in a Megadiverse Snake Fauna

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