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21 results for “Ptychadenidae”
Data from: Diversity of ridged frogs (Anura: Ptychadenidae: Ptychadena spp.) in wetlands of the upper Nile in Rwanda: morphological, bioacoustic, and molecular evidence
We investigated the distribution of species of the genus Ptychadena at nine sites at the upper Nile and its catchment in Rwanda. For species delimitation, we chose an integrative approach, combining morphological and bioacoustic data and DNA barcoding (mitochondrial 16S rRNA gene). We identified three species using independent evidence from the three different data sets: Ptychadena anchietae, Ptychadena porosissima, and a species of the Ptychadena mascareniensis group. The latter is undistinguishable genetically, bioacoustically, and morphologically from populations from Uganda, Kenya, and Egypt. We resurrect the name Ptychadena nilotica for these populations. The species differs strongly genetically from topotypic P. mascareniensis, and from clades referred to as P. cf. mascareniensis from Western and Central Africa. Morphologically, the three Rwandan species can be differentiated by their quantitative morphometrics (discriminant analysis, success rate: 98.3%) and by a number of qualitative characters of external morphology which are useful for identification in the field. The specific features of the advertisement call differ unequivocally among the three species and allow detection and identification in the field. We also provide quantitative descriptions of temporal and frequency structure of the release calls of two of the species and the distress calls of all three species. Finally, we compare the 16S sequences obtained from Rwandan specimens with those deposited in GenBank to estimate geographical distribution of taxa in Africa.
FIGURE 7 in A new grass frog with rupicolous tadpoles from northern Zambia (Anura: Ptychadenidae)
FIGURE 7. Two habitat photos of the Mutinondo site showing the steep slope with a film of water seeping out of the higher vegetation, and the associated granite inselbergs.
FIGURE 4. A in A new grass frog with rupicolous tadpoles from northern Zambia (Anura: Ptychadenidae)
FIGURE 4. A—Part of the advertisement call of Ptychadena mutinondoensis, showing the clicks and brief trills. B—The advertisement call of Ptychadena broadleyi showing a typical trill of 10 pulses. Both recorded at 24°C.
FIGURE 1 in A new grass frog with rupicolous tadpoles from northern Zambia (Anura: Ptychadenidae)
FIGURE 1. Map showing breeding sites of Ptychadena mutinondoensis in the Mutinondo Wilderness locality in northern Zambia: A—Lodge Rock, B—Camper's Rock, C—Klipspringer Rock, D—Kankonde Rock, E—Between Charlies Rock and Big Chipundu Stream, F—Downstream of Mulinso Falls, and G—Top end of Mafonie Mushitu.
FIGURE 3. A in A new grass frog with rupicolous tadpoles from northern Zambia (Anura: Ptychadenidae)
FIGURE 3. A—Lateral view of holotype of Ptychadena mutinondoensis (ZMB 88379). B—Sharp snout of Ptychadena mutinondoensis (ZMB 88380) compared to C—snout of Ptychadena broadleyi (ZMB 88389). Scale bars = 10 mm.
FIGURE 6 in A new grass frog with rupicolous tadpoles from northern Zambia (Anura: Ptychadenidae)
FIGURE 6. Top—Eggs of Ptychadena mutinondoensis developing in a film of water under vegetation. Below—A stage 40 tadpole ZMB 88378 from Mutinondo Wilderness. Tadpole scale bar = 10 mm.
FIGURE 5 in A new grass frog with rupicolous tadpoles from northern Zambia (Anura: Ptychadenidae)
FIGURE 5. Rainfall and timing of breeding of Ptychadena mutinondoensis at Lodge Rock, Mutinondo Wilderness, during the 2016/2017 season. Vertical arrows: initial two egg-laying events with % of known oviposition sites active; horizontal arrow: period eggs and/or tadpoles were present. Rainfall data collected at Lodge Rock, 200 m north of type locality.
FIGURE 2 in A new grass frog with rupicolous tadpoles from northern Zambia (Anura: Ptychadenidae)
FIGURE 2. Maximum Likelihood phylogeny of representatives of all available Ptychadena species. Branch support is given as SH-aLRT/UFBoot, both as percentages. Scale bar is substitutions/site.
FIGURE 1 in The tadpole of Ptychadena schillukorum (Werner, 1908 "1907") (Amphibia: Anura: Ptychadenidae)
FIGURE 1. Tadpole of Ptychadena schillukorum from Pendjari Biosphere Reserve (Gosner stage 36) in dorsal and lateral view (scale bar 10 mm) and mouthpart (scale bar 1 mm); number of keratodonts sketched, no accurate count.
Data from: Diversity of ridged frogs (Anura: Ptychadenidae: Ptychadena spp.) in wetlands of the upper Nile in Rwanda: morphological, bioacoustic, and molecular evidence
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Supplementary material 2 from: Reyes-Velasco J, Goutte S, Freilich X, Boissinot S (2021) Mitogenomics of historical type specimens clarifies the taxonomy of Ethiopian Ptychadena Boulenger, 1917 (Anura, Ptychadenidae). ZooKeys 1070: 135-149. https://doi.org/10.3897/zookeys.1070.66598
Table S1
Figure 1 from: Reyes-Velasco J, Goutte S, Freilich X, Boissinot S (2021) Mitogenomics of historical type specimens clarifies the taxonomy of Ethiopian Ptychadena Boulenger, 1917 (Anura, Ptychadenidae). ZooKeys 1070: 135-149. https://doi.org/10.3897/zookeys.1070.66598
Figure 1 Map of Ethiopia showing localities of individuals in the Ptychadena neumanni species complex used in this study. Samples with genetic data are represented by different colored circles (P. neumanni species group) or triangles (P. erlangeri species group). Stars depict the approximate type localities of P. neumanni (red), P. erlangeri (grey), and P. nana (white). A black star represents Addis Ababa, the type locality of P. largeni, a junior synonym of P. erlangeri. The approximate route of Oscar Neumann and Carlo von Erlanger's 1900 expedition in Abyssinia, during which the type specimens of all the above species were collected (except for P. largeni) is represented by a dashed line. Black arrow indicates the likely correct type locality for P. erlangeri as suggested by the authors (see Discussion).
Supplementary material 1 from: Reyes-Velasco J, Goutte S, Freilich X, Boissinot S (2021) Mitogenomics of historical type specimens clarifies the taxonomy of Ethiopian Ptychadena Boulenger, 1917 (Anura, Ptychadenidae). ZooKeys 1070: 135-149. https://doi.org/10.3897/zookeys.1070.66598
Detailed guidelines for the DNA extraction from museum specimens used in this study
Figure 3 from: Reyes-Velasco J, Goutte S, Freilich X, Boissinot S (2021) Mitogenomics of historical type specimens clarifies the taxonomy of Ethiopian Ptychadena Boulenger, 1917 (Anura, Ptychadenidae). ZooKeys 1070: 135-149. https://doi.org/10.3897/zookeys.1070.66598
Figure 3 Phylogenetic inference of members of the Ptychadena neumanni species complex based on mtDNA and ddRAD-seq data A unrooted UPGMA tree of members of the P. neumanni species complex based on 2182 SNPs obtained with ddRAD-sequencing B unrooted Bayesian phylogenetic inference based on the complete mitochondrial genomes of members of the group C bayesian phylogenetic inference based on the concatenated sequences of the 12S and 16S rRNA and cox1. Black circles represent nodes with a posterior support of 1. Names in bold indicate type specimens, while stars indicate historical type specimens sequenced here and are color-coded as in Figure 1. Photographs represent members of the P. neumanni species complex; P. erlangeri (top), P. neumanni (bottom).
Figure 2 from: Reyes-Velasco J, Goutte S, Freilich X, Boissinot S (2021) Mitogenomics of historical type specimens clarifies the taxonomy of Ethiopian Ptychadena Boulenger, 1917 (Anura, Ptychadenidae). ZooKeys 1070: 135-149. https://doi.org/10.3897/zookeys.1070.66598
Figure 2 Comparisons of the topologies of the mitochondrial rRNA 16S (left) and ddRAD-seq (right) for members of the Ptychadena neumanni species complex. Type specimens are indicated in red in the 16S phylogeny. Red lines indicate clades that differ in their placement between 16S and ddRAD-seq, however, the assignment of individuals to a particular species is identical between datasets. Numbers at nodes represent posterior support (pp), while black dots represent nodes with posterior support of 1.
Figure 3 from: Dehling J, Sinsch U (2013) Diversity of Ptychadena in Rwanda and taxonomic status of P. chrysogaster Laurent, 1954 (Amphibia, Anura, Ptychadenidae). ZooKeys 356: 69-102. https://doi.org/10.3897/zookeys.356.5878
Figure 3 - Morphological shape differentiation among 89 specimens representing five Ptychadena species, as assessed by principal component analysis (Table 3). A Individual scores obtained for 31 females B Individual scores obtained for 58 males.
Figure 6 from: Dehling J, Sinsch U (2013) Diversity of Ptychadena in Rwanda and taxonomic status of P. chrysogaster Laurent, 1954 (Amphibia, Anura, Ptychadenidae). ZooKeys 356: 69-102. https://doi.org/10.3897/zookeys.356.5878
Figure 6 - Maximum likelihood phylogram of species in the genus Ptychadena and Hildebrandtia ornata as outgroup, based on comparison of 548 base pairs of the mitochondrial 16S rRNA gene. Included are specimens from Rwanda and samples taken from GenBank (see Dehling and Sinsch in press for a complete list of sequences and accession numbers). Numbers above nodes are bootstrap support values (only values >0.50 are shown).
Figure 1 from: Dehling J, Sinsch U (2013) Diversity of Ptychadena in Rwanda and taxonomic status of P. chrysogaster Laurent, 1954 (Amphibia, Anura, Ptychadenidae). ZooKeys 356: 69-102. https://doi.org/10.3897/zookeys.356.5878
Figure 1 - Males of Ptychadena from Rwanda in life. A Ptychadena anchietae B Ptychadena chrysogaster [Foto: E. Fischer] C Ptychadena nilotica D Ptychadena porosissima.
Figure 2 from: Dehling J, Sinsch U (2013) Diversity of Ptychadena in Rwanda and taxonomic status of P. chrysogaster Laurent, 1954 (Amphibia, Anura, Ptychadenidae). ZooKeys 356: 69-102. https://doi.org/10.3897/zookeys.356.5878
Figure 2 - A Preserved female holotype of Ptychadena chrysogaster (RMCA 109096) from Lac Karago, Rwanda; dorsal view (left) and ventral view (right) B Preserved male specimen of Ptychadena uzungwensis (RMCA 108993-108997) from Munini, Rwanda; dorsal view (left) and ventral view (right). Not to scale.
Figure 5 from: Dehling J, Sinsch U (2013) Diversity of Ptychadena in Rwanda and taxonomic status of P. chrysogaster Laurent, 1954 (Amphibia, Anura, Ptychadenidae). ZooKeys 356: 69-102. https://doi.org/10.3897/zookeys.356.5878
Figure 5 - Volar view of hands (top) and plantar view of feet (bottom) of males of Ptychadena anchietae (a), Ptychadena chrysogaster (b), Ptychadena nilotica (c), Ptychadena porosissima (d), and Ptychadena uzungwensis from Rwanda. See also Table 1.
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