Acoustic and Karyotypic Evidence for Specific Separation of Polypedates megacephalus from P. leucomystax

Matsui, Masafumi; Seto, Takeshi; Utsunomiya, Taeko

doi:10.2307/1564245

Cited by 19 publications

(25 citation statements)

References 5 publications

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“…leucomystax from Malaysia (Matsui et al 1986, Kuramoto andYong 1992) and Po. megacephalus from Taiwan (Matsui et al 1986) (Rai and Dey 1991) are available for comparison with those of Rh. malabaricus.…”

Section: Discussionmentioning

confidence: 99%

Karyological Studies on 5 Anuran Species (Rhacophoridae, Microhylidae) from the Western Ghats, Southwest India

Joshy

Kuramoto²

2011

CYTOLOGIA

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Summary Karyotypes of 5 species of Indian frogs belonging to 2 families Rhacophoridae (Polypedates maculatus, Rhacophorus malabaricus, and Pseudophilautus wynaadensis) and Microhylidae (Ramanella montana and Microhyla ornata) were described. All of the 5 species had 2nϭ26 bi-armed chromosomes with 5 large and 8 small pairs. In Rhacophorus malabaricus, 3 large chromosome pairs (nos. 2-4) possessed telomeric C-positive bands on the long arm, whereas C-positive bands were confined to the centromeric region of the chromosomes in the other 4 species. None of the species had identifiable heteromorphic sex chromosomes. Based on karyometric data and C-banding, the karyotype of each species was characterized and was compared with those of the related species. It became evident that the Indian species of the genus Microhyla differ karyologically from the congeners in southeastern Asia.Key words Karyotype, C-banding, Rhacophoridae, Microhylidae, India.In the past 6 decades, 24 species of Indian anurans were studied for their cytogenetic attributes. Of these, 3 species belong to Bufonidae (Asana and Mahabale 1941, Natarajan 1958b, Manna and Bhunya 1966, Chatterjee and Barik 1970, Singh et al. 1970, Mittal and Sawhney 1971, Singh 1974, 9 to Dicroglossidae (Natarajan 1957b, 1958a, Singh et al. 1970, Mittal and Sawhney 1971, Singh 1974, Yadav 1974, Yadav and Pillai 1975, 1976, Chakrabarti et al. 1983, Joshy et al. 1999, Joshy and Kuramoto 2008, 1 to Nyctibatrachidae (Joshy et al. 1999), 1 to Ranixalidae (Joshy et al. 1999), 3 to Ranidae (Joshy et al. 1999, 2006), 3 to Rhacophoridae (Natarajan 1957a, Singh et al. 1970, Singh 1974, Rai and Dey 1991, and 4 to Microhylidae (Bai 1956, Chakrabarti 1979, Olmo and Morescalchi 1978. Most of the previous studies, however, lacked numerical data on size and shape of chromosomes, and this makes karyotype comparisons between taxa very difficult or even impossible. In the present study, we describe karyotypes of 3 species of Rhacophoridae and 2 species of Microhylidae from the Western Ghats. Of the 5 species examined, the karyotype of Polypedates maculatus was previously reported by Natarajan (1957a), Singh et al. (1970) and Singh (1974) without karyometric data. The karyotypes of the other 4 species are here reported for the first time. Materials and methodsThree species belonging to Rhacophoridae, Polypedates maculatus, Rhacophorus malabaricus, and Pseudophilautus wynaadensis, were collected from Madikeri (altitude ca. 900 m) of Kodagu District, Karnataka, and 2 species belonging to Microhylidae, Ramanella montana and Microhyla ornata, were collected from Sagar (altitude ca. 560 m) of Shimoga District, Karnataka. Both

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Section: Discussionmentioning

confidence: 99%

Karyological Studies on 5 Anuran Species (Rhacophoridae, Microhylidae) from the Western Ghats, Southwest India

Joshy

Kuramoto²

2011

CYTOLOGIA

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“…The other type of call he describes is a tonal note that does not resemble anything from our recordings. Kuramoto (1986) described the advertisement call of P. leucomystax from Taiwan but these populations were later classified as a distinct species, P. megacephalus, by Matsui et al (1986). In this case, the advertisement calls were composed of short pulses with a complex spectral structure (range 0.0-3.0 kHz).…”

Section: Discussionmentioning

confidence: 99%

Advertisement calls of six species of anurans from Bali, Republic of Indonesia

Márquez

Eekhout

2006

Journal of Natural History

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We describe quantitatively the advertisement calls of six species of anurans from Bali and the release call of three of these. The advertisement calls of three of the species and the three release calls have not been described previously to the best of our knowledge. This is the first study that describes calls from anurans of the island of Bali. Advertisement call characteristics are discussed in light of withinindividual and between-individual variation. For the three species with previously published accounts of their advertisement calls we compare the data obtained in Bali with other accounts. While Bufo melanostictus did not show a substantial difference in advertisement calls from Coorg (India), the calls of Balinese Fejervarya (Limnonectes) limnocharis show substantial differences with those recorded in Coorg (India). Furthermore, the Balinese recordings of Polypedates leucomystax are similar to recordings obtained by other authors in Negros (Philippines), the Malaysian part of Borneo, and from one of the morphs present in peninsular Malaysia, while being clearly different from recordings of populations from Thailand, Polillo (Philippines), and from the other morph recorded in Malaysia.

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“…This is because U.S. military bases existed in those countries in the 1960s. We also used four tissue samples of P. megacephalus Hallowell, 1861, from Taiwan because this species closely resembles P. leucomystax morphologically (Matsui et al 1986), and Taiwan is geographically closest to the Ryukyu Archipelago. For the outgroup, we used GenBank data of two rhacophorids, Buergeria buergeri (Temminck & Schlegel, 1838) (AB127977) and Rhacophorus schlegelii (Gü nther, 1858) (AB202078) ( Table 1).…”

Section: Methodsmentioning

confidence: 99%

Estimation of the Origin of Polypedates leucomystax (Amphibia: Anura: Rhacophoridae) Introduced to the Ryukyu Archipelago, Japan

2009

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Acoustic and Karyotypic Evidence for Specific Separation of Polypedates megacephalus from P. leucomystax

Cited by 19 publications

References 5 publications

Karyological Studies on 5 Anuran Species (Rhacophoridae, Microhylidae) from the Western Ghats, Southwest India

Karyological Studies on 5 Anuran Species (Rhacophoridae, Microhylidae) from the Western Ghats, Southwest India

Advertisement calls of six species of anurans from Bali, Republic of Indonesia

Estimation of the Origin of Polypedates leucomystax (Amphibia: Anura: Rhacophoridae) Introduced to the Ryukyu Archipelago, Japan

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