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APPENDIX 2 in A neotype for Hyla x-signata Spix, 1824 (Amphibia, Anura, Hylidae)
APPENDIX 2 List of specimens, collection numbers, localities, and GenBank accessions of sequences. The neotype of Scinax x‑signatus is underlined. New sequences produced for this study are in bold. Abbreviations are as follow. Countries: ARG = Argentina, BOL = Bolivia, BRA = Brazil, GUF = French Guiana, GUY = Guyana, MTQ = Martinique, PER = Peru, SUR = Suriname; Brazilian states: AP = Amapá, BA = Bahia, CE = Ceará, ES = Espírito Santo, MA = Maranhão, MG = Minas Gerais, PE = Pernambuco, RJ = Rio de Janeiro, RS = Rio Grande do Sul, SP = São Paulo. An asterisk (*) indicates approximate coordinates taken from Google Earth.
Independence of mate choice components (choosiness and preference functions) in Hyla versicolor
<p>Mate choice is an important cause of natural and sexual selection, driving the evolution of ornaments and promoting diversification and speciation. Mate choice decisions arise from the interaction of several components, and knowledge of whether they interact, and how, is crucial for understanding their contributions to selection. Here we focus on the relationship between preference functions (attractiveness ranking of prospective mates) and choosiness (effort invested in obtaining the preferred mate) and test the hypothesis that they are independent components of mate choice decisions. We examine individual variation in preference functions and choosiness for call duration in female <em>Hyla versicolor </em>treefrogs, and show that measures describing preference functions and choosiness are not correlated. We also found a suggestive but inconclusive pattern that both components are influenced by different factors (body measures and hormones). Independence of preference and choosiness suggests that the joint study of variation in both components is required to gain a complete understanding of how mate choice contributes to sexual selection and speciation.</p>
Data for: Sensory biases in response to novel complex acoustic signals in male and female gray treefrogs, Hyla chrysoscelis
<p>The sensory bias hypothesis proposes that female preferences for male sexual signaling traits evolved in contexts other than mating. Individuals of both sexes may experience similar selection pressures in these contexts, thus males may have similar biases to females for variation in signal traits. We tested this prediction in the gray treefrog, <em>Hyla chrysoscelis</em>, in which males produce simple advertisement calls, but females are more attracted to certain novel complex stimuli. We recorded males' responses to playbacks of both simple advertisement calls and complex calls consisting of the advertisement call with an acoustic appendage (filtered noise, or heterospecific call pulses) either leading or following the call. We tested females' preferences for the same stimuli in phonotaxis tests. We found evidence for a sensory bias in both sexes: males gave more aggressive calls in response to complex stimuli and females sometimes preferred complex over simple calls. These biases were not universal and depended on both temporal order and appendage characteristics, but how these effects manifested differed between the sexes. Ultimately, our approach of studying biases of both sexes in response to novel mating signals will shed light on the origin of mating preferences, and the mechanisms by which sensory biases operate.</p>
Figure 2 in Colour variations in the European tree frog, Hyla arborea (Linnaeus, 1758), from two small adjacent ponds in the Vojvodina province, Serbia
Figure 2: Example of high density of Tree frogs on the reeds. Photo: Aleksandar Simović.
Figure 5 in Colour variations in the European tree frog, Hyla arborea (Linnaeus, 1758), from two small adjacent ponds in the Vojvodina province, Serbia
Figure 5. Almost completely black Hyla arborea. Photos: Aleksandar Simović and Sonja Đorđević.
Figure 4 in Colour variations in the European tree frog, Hyla arborea (Linnaeus, 1758), from two small adjacent ponds in the Vojvodina province, Serbia
Figure 4. Two grayish individuals. Photos: Aleksandar Simović and Sonja Đorđević.
Independence of mate choice components (choosiness and preference functions) in Hyla versicolor
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The roles of climate, geography and natural selection as drivers of genetic and phenotypic differentiation in a widespread amphibian Hyla annectans (Anura: Hylidae)
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Data for: Sensory biases in response to novel complex acoustic signals in male and female gray treefrogs, Hyla chrysoscelis
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Data from: Geographic variation in the Pine Barrens Treefrog (Hyla andersonii): concordance of genetic, morphometric, and acoustic signal data
Delimiting species is important to every subfield in biology. Templeton's cohesion species concept uses genetic and ecological exchangeability to identify sets of populations that ought to be considered as the same species, and the lack of exchangeability helps determine which populations can be grouped as evolutionarily significant units (ESU) in conservation science. However, previous work assessing genetic and ecological interchangeability among populations has been limited in scope. Here, we provide a method for assessing exchangeability that incorporates multiple, independent lines of multivariate evidence in genetic, behavioural and morphological data. We use this approach to assess exchangeability across three disjunct groups of populations of the Pine Barrens Treefrog (Hyla andersonii) from the eastern United States. This species is considered threatened by each state in which it occurs and conservation management of this taxon requires a clearer understanding of how populations in these three regions may differ from one another. We find a strikingly concordant pattern in which the first axis of variation for each of the three types of data distinguishes populations along a latitudinal gradient and the second axis distinguishes the set of populations occurring in the Carolinas from those occurring in the New Jersey and Florida/Alabama regions. We know of no comparable data set that displays such concordance among different types of data across so large a geographic range. The overlap in trait values (i.e. exchangeability) between neighbouring regions, however, is substantial in all three types of data, which supports continued consideration of this taxon as a single species.
Data from: Conservation phylogeography: does historical diversity contribute to regional vulnerability in European tree frogs (Hyla arborea)
Documenting and preserving the genetic diversity of populations, which conditions their long-term survival, has become a major issue in conservation biology. The loss of diversity often documented in declining populations is usually assumed to result from human disturbances; however, historical biogeographic events, otherwise known to strongly impact diversity, are rarely considered in this context. We apply a multi-locus phylogeographic study to investigate the late-Quaternary history of a tree frog (Hyla arborea) with declining populations in the northern and western part of its distribution range. Mitochondrial and nuclear polymorphisms reveal high genetic diversity in the Balkan Peninsula, with a spatial structure molded by the last glaciations. While two of the main refugial lineages remained limited to the Balkans (Adriatic coast, southern Balkans), a third one expanded to recolonize Northern and Western Europe, loosing much of its diversity in the process. Our findings show that mobile and a priori homogeneous taxa may also display substructure within glacial refugia ("refugia within refugia"), and emphasize the importance of the Balkans as a major European biodiversity center. Moreover, the distribution of diversity roughly coincides with regional conservation situations, consistent with the idea that historically impoverished genetic diversity may interact with anthropogenic disturbances, and increase the vulnerability of populations. Phylogeographic models seem important to fully appreciate the risks of local declines and inform conservation strategies.
Data from: First-generation linkage map for the European tree frog (Hyla arborea) with utility in congeneric species
Background: Western Palearctic tree frogs (Hyla arborea group) represent a strong potential for evolutionary and conservation genetic research, so far underexploited due to limited molecular resources. New microsatellite markers have recently been developed for Hyla arborea, with high cross-species utility across the entire circum-Mediterranean radiation. Here we conduct sibship analyses to map available markers for use in future population genetic applications. Findings: We characterized eight linkage groups, including one sex-linked, all showing drastically reduced recombination in males compared to females, as previously documented in this species. Mapping of the new 15 markers to the ~200 My diverged Xenopus tropicalis genome suggests a generally conserved synteny with only one confirmed major chromosome rearrangement. Conclusions: The new microsatellites are representative of several chromosomes of H. arborea that are likely to be conserved across closely-related species. Our linkage map provides an important resource for genetic research in European Hylids, notably for studies of speciation, genome evolution and conservation.
FIGURE 4 in A new species of Hyla (Anura: Hylidae) from Cerro Las Flores, Oaxaca, Mexico
FIGURE 4. Preserved tadpoles of Hyla ephemera demonstrating complete (A, UTA A56745) and missing (B, UTA A56746; C, UTA A56738) mouthparts.
FIGURE 3 in A new species of Hyla (Anura: Hylidae) from Cerro Las Flores, Oaxaca, Mexico
FIGURE 3. Hyla ephemera tadpoles in life (A, UTA A56745, Gosner stage 36; B, UTA A56741, Gosner stage 31).
FIGURE 1 in Hyla vigilans Solano, 1971, a second species for the genus Scarthyla, redescription and distribution in Venezuela and Colombia
FIGURE 1. Male of Scarthyla nov. from Ologá, southwestern side of the Maracaibo lake. Photo by C. L. Barrio-Amorós.
FIGURE 8 in Hyla vigilans Solano, 1971, a second species for the genus Scarthyla, redescription and distribution in Venezuela and Colombia
FIGURE 8. Audiospectrogram of Scarthyla vigilans calling at Finca Onia, near El Vigia, the type locality of the species. One call of the series is encircled to be distinguished from calls of other species.
FIGURE 7 in Hyla vigilans Solano, 1971, a second species for the genus Scarthyla, redescription and distribution in Venezuela and Colombia
FIGURE 7. Ventral (bottom) and dorsal (top) views of vertebral columnae of Scarthyla vigilans, MBLUZ–295. Scale equal to 5 mm.
FIGURE 1 in The taxonomic status of Hyla roeschmanni De Grys, 1938 (Anura: Hylidae)
FIGURE 1. Ventral and dorsal view of the neotype of Hyla roeschmanni from Bellavista, Department Beni, Bolivia (MNCN 42319).
FIGURE 1. Polystoma floridana n in Polystoma floridana n. sp. (Monogenea: Polystomatidae) a parasite in the green tree frog, Hyla cinerea (Schneider), of North America
FIGURE 1. Polystoma floridana n. sp. Ventral view of holotype; dotted line indicates the outline of the vitelline system. Abbreviations: gb, genital bulb; gi, genito-intestinal canal; ha, hamulus; hp, haptor; ic, intestinal caecum; mg, Mehlis' gland; mo, mouth; ot, ootype; ov, ovary; ph, pharynx; su, sucker; vg, vagina; vd, vas deferens; vi, vitellaria; vt, vitelline duct. Scale bar: 1 mm.
FIGURE 2 in Polystoma floridana n. sp. (Monogenea: Polystomatidae) a parasite in the green tree frog, Hyla cinerea (Schneider), of North America
FIGURE 2: Polystoma floridana n. sp. A, hamuli; B, marginal hooklets 1 from holotype and paratypes; C, marginal hooklets 2 from holotype and paratypes; D, marginal hooklets 8 from holotype and paratypes; E, hamulus primordia. Scale-bars: A, 500 µm; B–E, 20 µm.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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OpenNeuro
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