scholarly journals A new species of Leptobrachella (Anura, Megophryidae) from Guizhou Province, China

ZooKeys ◽  
2020 ◽  
Vol 923 ◽  
pp. 115-140 ◽  
Author(s):  
Tao Luo ◽  
Ning Xiao ◽  
Kai Gao ◽  
Jiang Zhou
Keyword(s):  
New Species ◽  
16S Rrna ◽  
Dna Sequences ◽  
Phylogenetic Analyses ◽  
Sequence Divergence ◽  
Guizhou Province ◽  
Morphological Data ◽  
Rrna Gene ◽  
Habitat Variation ◽  
A New Species

This study describes a new species of the genus Leptobrachella, Leptobrachella suiyangensissp. nov. from the Huoqiuba Nature Reserve, Suiyang County, Guizhou Province, China, based on morphological data and phylogenetic analyses (16S rRNA mtDNA). The new species can be distinguished from other congeners by the molecular divergence and by a combination of morphological characters, including body size, dorsal and ventral patterns, dorsal skin texture, size of the pectoral and femoral glands, degree of webbing and fringing on the toes and fingers, dorsum coloration, and iris coloration in life. Currently, the genus Leptobrachella contains 75 species, 21 of which are found in China, including seven species reported from Guizhou Province. The uncorrected sequence divergence percentage between Leptobrachella suiyangensissp. nov. and all homologous DNA sequences available for the 16S rRNA gene was found to be >4.7%. The new record of the species and its relationships with others in the same genus imply that species distribution, habitat variation, environmental adaptation, and diversity of the genus Leptobrachella in southwest China need to be further investigated.

A new species of the genus Microhyla (Amphibia: Anura: Microhylidae) from Guizhou Province, China

Zootaxa ◽  
2019 ◽  
Vol 4624 (4) ◽  
pp. 551-575 ◽  
Author(s):  
SHIZE LI ◽  
MEIHUA ZHANG ◽  
NING XU ◽  
JINGCAI LV ◽  
JIANPING JIANG ◽  
...  
Keyword(s):  
New Species ◽  
16S Rrna ◽  
Dna Sequences ◽  
Environmental Changes ◽  
Guizhou Province ◽  
Medium Size ◽  
Rrna Gene ◽  
White Stripe ◽  
Longitudinal Groove ◽  
A New Species

A new species of the microhylid frog genus Microhyla is described from the Fanjing Mountain of Guizhou Province, China. Phylogenetic analyses based on DNA sequences of the the mitochondrial 12S rRNA, 16S rRNA and COI genes supported the new species as an independent lineage, closely related to M. beilunensis, M. mixtura and M. okinavensis. The uncorrected genetic distance on 16S rRNA gene between the new species and its closest congeners M. beilunensis, M. mixtura and M. okinavensis are 3.5%, 4.6% and 4.6% respectively. The new species is distinguished from its congeners by a combination of the following morphological characters: (1) body of medium size (SVL 19.0–22.7 mm in males and 22.5–23.0 mm in females); (2) disk and dorsal median longitudinal groove on finger tips absent; (3) toe with rudimentary webbing at base; (4) disk with dorsal median longitudinal groove present at toe tips except for the toe I; (5) two metatarsal tubercles on palm; (6) tibiotarsal articulation reaching the level between eye to nostril when leg stretched forward; (7) a distinct V-shaped white stripe on the upper midsection. The new species is known only from the type locality, and thus the finding of it has contributed to the endemic species diversity of China. It is needed to take strategy to protect the species and habitats due to the increased threats of environmental changes. 

scholarly journals Ixodes kangdingensis (Acari: Ixodidae), a new species from the Siberian weasel, Mustela sibirica (Carnivora: Mustelidae) in China

2017 ◽  
Vol 3 ◽  
Author(s):  
TIANYU GUO ◽  
YI SUN ◽  
GUANG XU ◽  
LANCE A. DURDEN
Keyword(s):  
New Species ◽  
16S Rrna ◽  
16S Rrna Gene ◽  
Sequence Divergence ◽  
Phylogenetic Position ◽  
Rrna Gene ◽  
16S Rrna Gene Sequences ◽  
Closely Related Species ◽  
Ixodes Arboricola ◽  
A New Species

SUMMARY The female and nymph of Ixodes (Pholeoixodes) kangdingensis n. sp. are described based on both morphology and analysis of 16S rRNA gene sequences. Specimens of this new tick species were collected from a Siberian weasel (Mustela sibirica) in Kangding County, Sichuan Province, China. The morphological features of the female and nymph are unique to distinguish I. kangdingensis n. sp. from other members of the subgenus Pholeoixodes, including the presence of distinctly shaped cornua, anterior and posterior processes on palpal article I and a large angular projection on each side of the hypostome. Partial sequence of 16S rRNA gene grouped this species with Ixodes arboricola and Ixodes lividus with sequence divergence of new species from I. arboricola 4·16% and from I. lividus 8·49%. Data on the phylogenetic position, hosts, geographic distribution and key to females of closely related species are also provided.

A new species of Leptolalax (Anura: Megophryidae) from northern Vietnam

Zootaxa ◽  
2017 ◽  
Vol 4243 (3) ◽  
pp. 544 ◽  
Author(s):  
JODI J. L. ROWLEY ◽  
VINH Q. DAU ◽  
HUY D. HOANG ◽  
DUONG T. T. LE ◽  
TIMOTHY P. CUTAJAR ◽  
...  
Keyword(s):  
New Species ◽  
16S Rrna ◽  
Dna Sequences ◽  
Dominant Frequency ◽  
Rrna Gene ◽  
Adult Males ◽  
Skin Texture ◽  
Adult Females ◽  
A New Species ◽  
The 16S Rrna Gene

We describe a new, medium-sized Leptolalax species from Vietnam. Leptolalax petrops sp. nov. is distinguished from its congeners by a combination of having a medium-sized body (23.6–27.6 mm in 21 adult males, 30.3–47.0 mm in 17 adult females), immaculate white chest and belly, no distinct black markings on the head, highly tuberculate skin texture, toes lacking webbing and with narrow lateral fringes, and a call consisting of an average of four notes and a dominant frequency of 5.6–6.4 kHz (at 24.5–25.3 °C). Uncorrected sequence divergences between L. petrops sp. nov. and all homologous DNA sequences available for the 16S rRNA gene are >8%. 

scholarly journals A new species of squat lobster of the genus Hendersonida (Crustacea, Decapoda, Munididae) from Papua New Guinea

ZooKeys ◽  
2020 ◽  
Vol 935 ◽  
pp. 25-35 ◽  
Author(s):  
Paula C. RodrÍguez-Flores ◽  
Enrique Macpherson ◽  
Annie Machordom
Keyword(s):  
New Species ◽  
16S Rrna ◽  
Papua New Guinea ◽  
Phylogenetic Analyses ◽  
Sequence Divergence ◽  
New Guinea ◽  
Genetic Distances ◽  
Sister Species ◽  
Squat Lobster ◽  
A New Species

Hendersonida parvirostrissp. nov. is described from Papua New Guinea. The new species can be distinguished from the only other species of the genus, H. granulata (Henderson, 1885), by the fewer spines on the dorsal carapace surface, the shape of the rostrum and supraocular spines, the antennal peduncles, and the length of the walking legs. Pairwise genetic distances estimated using the 16S rRNA and COI DNA gene fragments indicated high levels of sequence divergence between the new species and H. granulata. Phylogenetic analyses, however, recovered both species as sister species, supporting monophyly of the genus.

Impatiens bullatisepala (Balsaminaceae), a new species from Guizhou, China

Phytotaxa ◽  
2021 ◽  
Vol 500 (3) ◽  
pp. 217-224
Author(s):  
SHUAI PENG ◽  
YI-YAN CONG ◽  
JING TIAN ◽  
CAI-FEI ZHANG ◽  
GUANG-WAN HU ◽  
...  
Keyword(s):  
New Species ◽  
Dna Sequences ◽  
Phylogenetic Analyses ◽  
Intergenic Spacer ◽  
Guizhou Province ◽  
Abaxial Surface ◽  
Nuclear Its ◽  
A New Species ◽  
Spacer Dna

Impatiens bullatisepala (Balsaminaceae), a new species supported by morphological and phylogenetic evidence from Fanjing Mountain, Guizhou province in China, is described here. It is morphologically similar to I. davidii but can be distinguished by its dorsally ridged lateral sepals with sunk reticulate veins and bullate projections on abaxial surface, 2–2.5 cm deep saccate lower sepal with ca. 0.8 cm long narrowly triangular tip at the mouth, and broadly ovate dorsal petal. Phylogenetic analyses of a combined dataset of nuclear ITS and plastid atpB-rbcL intergenic spacer DNA sequences furtherly confirmed its novelty.

scholarly journals A new species of the horned toad Megophrys Kuhl & Van Hasselt, 1822 (Anura, Megophryidae) from southwest China

ZooKeys ◽  
2020 ◽  
Vol 943 ◽  
pp. 119-144 ◽  
Author(s):  
Ning Xu ◽  
Shi-Ze Li ◽  
Jing Liu ◽  
Gang Wei ◽  
Bin Wang
Keyword(s):  
New Species ◽  
Dna Sequences ◽  
Nuclear Dna ◽  
Phylogenetic Analyses ◽  
Dorsal Surface ◽  
The Body ◽  
Guizhou Province ◽  
Upper Eyelid ◽  
Molecular Phylogenetic ◽  
A New Species

A new species of the genus Megophrys is described from Guizhou Province, China. Molecular phylogenetic analyses based on mitochondrial DNA and nuclear DNA sequences all strongly supported the new species as an independent clade sister to M. minor and M. jiangi. The new species could be distinguished from its congeners by a combination of the following characters: body size moderate (SVL 43.4–44.1 mm in males, and 44.8–49.8 mm in females; vomerine teeth absent; tongue not notched behind; a small horn-like tubercle at the edge of each upper eyelid; tympanum distinctly visible, rounded; two metacarpal tubercles on palm; relative finger lengths II < I < V < III; toes without webbing; heels overlapping when thighs are positioned at right angles to the body; tibiotarsal articulation reaching the level between tympanum and eye when leg stretched forward; in breeding males, an internal single subgular vocal sac in male, and the nuptial pads with black spines on dorsal surface of bases of the first two fingers.

scholarly journals A new species of the Asian leaf litter toad genus Leptobrachella (Amphibia, Anura, Megophryidae) from southwest China

ZooKeys ◽  
2020 ◽  
Vol 943 ◽  
pp. 91-118 ◽  
Author(s):  
Shi-Ze Li ◽  
Jing Liu ◽  
Gang Wei ◽  
Bin Wang
Keyword(s):  
New Species ◽  
Leaf Litter ◽  
Phylogenetic Analyses ◽  
Small Body ◽  
The Body ◽  
Guizhou Province ◽  
Rrna Gene ◽  
Adult Males ◽  
Molecular Phylogenetic ◽  
A New Species

A new species of the Asian leaf litter toad genus Leptobrachella from Guizhou Province, China is described based on molecular phylogenetic analyses, morphological comparisons, and bioacoustics data. Phylogenetic analyses based on the mitochondrial 16S rRNA gene sequences supported the new species as an independent clade nested into the Leptobrachella clade and sister to L. bijie. The new species could be distinguished from its congeners by a combination of the following characters: small body size (SVL 30.8–33.4 mm in seven adult males, and 34.2 mm in one adult female); dorsal skin shagreened, some of the granules forming longitudinal short skin ridges; tympanum distinctly discernible, slightly concave; internasal distance longer than interorbital distance; supra-axillary, femoral, pectoral and ventrolateral glands distinctly visible; absence of webbing and lateral fringes on fingers; toes with rudimentary webbing and shallow lateral fringes, relative finger lengths II < IV < I < III; heels overlapped when thighs are positioned at right angles to the body; and tibia-tarsal articulation reaches the tympanum.

scholarly journals Phylogenetic position reevaluation of Kyrtuthrix and description of a new species K. huatulcensis from Mexico´s Pacific coast

Phytotaxa ◽  
2016 ◽  
Vol 278 (1) ◽  
pp. 1 ◽  
Author(s):  
HILDA P. LEÓN-TEJERA ◽  
LAURA GONZÁLEZ-RESENDIZ ◽  
JEFFREY R. JOHANSEN ◽  
CLAUDIA SEGAL-KISCHINEVSKY ◽  
VIVIANA ESCOBAR ◽  
...  
Keyword(s):  
New Species ◽  
16S Rrna ◽  
16S Rrna Gene ◽  
Sequence Data ◽  
Geographical Information ◽  
Morphological Data ◽  
Phylogenetic Position ◽  
Rrna Gene ◽  
Structure Comparison ◽  
A New Species

Benthic marine heterocytous cyanoprokaryotes of Mexico´s tropical coast are being recognized as an important and conspicuous component of the supralittoral and intertidal zones usually described as an extreme and low diversity biotope. Although Kyrtuthrix has been reported from different coasts worldwide, its complex morphology has led to differing taxonomic interpretations and positioning. Ten marine supra and intertidal populations of Kyrtuthrix were analyzed using a detailed morphological approach, complemented with ecological and geographical information as well as DNA sequence data of the 16S rRNA gene and associated 16S–23S ITS. Kyrtuthrix huatulcensis is described as a new species, different from K. dalmatica Ercegovic and K. maculans (Gomont) Umezaki based primarily on morphological data. Our material has smaller dimensions in thalli, filaments, trichomes and cells, and possesses differences in qualitative characters as well. Our material is epilithic as in K. maculans but not endolithic as in K. dalmatica. The analysis of molecular data, mainly 16S rRNA gene sequence, show that this genus is within the Rivulariaceae clade, and outside of the Scytonemataceae clade. ITS secondary structure comparison with some of the closer representatives of Rivulariaceae shows considerable differences with these related genera. Based on the evidence gathered in this study, inclusion of Kyrtuthrix within the Rivulariaceae, rather than the Scytonemataceae, is fully supported.

A new species of the genus Leptochela (Decapoda, Caridea, Pasiphaeidae) from the Yellow Sea

Crustaceana ◽  
2017 ◽  
Vol 90 (7-10) ◽  
pp. 1267-1277 ◽  
Author(s):  
Yaqin Wang ◽  
Zhibin Gan ◽  
Xinzheng Li
Keyword(s):  
New Species ◽  
16S Rrna ◽  
Yellow Sea ◽  
Systematic Position ◽  
The Yellow Sea ◽  
Morphological Data ◽  
Rrna Gene ◽  
Distal Margin ◽  
A New Species ◽  
The 16S Rrna Gene

Based on samples collected from the Yellow Sea in October 2014, a new species of pasiphaeid shrimp, Leptochela (Leptochela) tuerkayi sp. nov., is described. The new species is closely related to L. (L.) gracilis Stimpson, 1860 in morphology but differs from the latter and other congeners by the following combination of characters: three longitudinal dorsal carinae in ovigerous females, third maxilliped with the rather short exopod slightly overreaching the distal margin of the antepenultimate segment and the fourth pereiopod with the exopod reaching beyond the end of the merus. Morphological data and a partial sequence of the 16S rRNA gene of the new species are provided to show its systematic position.

scholarly journals A new frog of the Eleutherodactylus abbotti species group (Anura: Eleutherodactylidae) from Hispaniola, with bioacoustic and taxonomic comments on other species

2018 ◽  
pp. 25-42
Author(s):  
Luis M. Díaz ◽  
Sixto J. Incháustegui ◽  
Cristian Marte ◽  
Gunther Köhler ◽  
Antonio Cádiz ◽  
...  
Keyword(s):  
New Species ◽  
16S Rrna ◽  
Dna Sequences ◽  
Taxonomic Status ◽  
Genetic Data ◽  
Species Group ◽  
Rrna Gene ◽  
Cordillera Central ◽  
A New Species ◽  
The 16S Rrna Gene

A new species of frog, Eleutherodactylus geitonos sp. nov., is described from the southeastern slope of the Cordillera Central, Dominican Republic. The new frog is closely related to E. haitianus and both species share a small size. They differ in some morphological proportions and other external features, coloration, advertisement calls and DNA sequences of the 16S rRNA gene. Morphological and bioacoustic comparisons with other species in the  E. abbotti species group are also provided. Our preliminary genetic data suggest that the taxonomic status of E. neodreptus (a synonym of E. audanti) and E. melatrigonum need to be re-evaluated.

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