Morphological and molecular review of Jacob’s Mountain Stream Keelback Opisthotropis jacobi Angel & Bourret, 1933 (Squamata: Natricidae) with description of a sibling species from northern Vietnam

Zootaxa ◽  
2018 ◽  
Vol 4374 (4) ◽  
pp. 476 ◽  
Author(s):  
THOMAS ZIEGLER ◽  
PATRICK DAVID ◽  
TIM N. ZIEGLER ◽  
CUONG T. PHAM ◽  
TRUONG Q. NGUYEN ◽  
...  
Keyword(s):  
New Species ◽  
Cytochrome B ◽  
Nature Reserve ◽  
Original Description ◽  
Morphological Data ◽  
Mountain Stream ◽  
Northern Vietnam ◽  
Mitochondrial Cytochrome B ◽  
A New Species ◽  
Existing Data

New morphological data including hemipenis morphology is provided for Opisthotropis jacobi, a poorly known Mountain Stream Keelback from Vietnam and China, based on three newly collected individuals from Sa Pa (Lao Cai Province) and Tam Dao (Vinh Phuc Province) in northern Vietnam. In addition, morphological data from Vietnam is summarized based on the original description (Angel & Bourret 1933), on the overview book by Bourret (1936) and on a number of smaller, little-known contributions by the latter author along with re-examination of specimens deposited in the herpetological collection of the Muséum national d’Histoire naturelle, Paris. We also sequenced a fragment of the mitochondrial cytochrome b from the newly collected specimens of the Jacob’s Mountain Stream Keelback and performed molecular analyses of new and existing data of the genus. A recently discovered Opisthotropis population from Tay Yen Tu Nature Reserve in Bac Giang Province, northern Vietnam, which at the first glance resembled O. jacobi morphologically, is shown to diverge both genetically and morphologically from the existing species and is herein described as a new species. Opisthotropis voquyi sp. nov. is characterized by the combination of the following characters: internasal not in contact with loreal; one preocular; usually two postoculars; one anterior temporal; one posterior temporal; 7 or 8, rarely 9 supralabials; 25 maxillary teeth; subcaudals 74–86; 15 dorsal scale rows at neck, at midbody and before vent; body scales smooth or only with few faint keels; and dorsal scales being greyish, greyish-brown or brown in preservative, posteriorly more or less edged with pale greyish-brown. Phylogenetically, the new species is supported as a sister taxon to O. jacobi, but the two taxa are approximately 10% divergent based on cytochrome b data. 

A new species of Opisthotropis from northern Vietnam previously misidentified as the Yellow-spotted Mountain Stream Keelback O. maculosa Stuart & Chuaynkern, 2007 (Squamata: Natricidae)

Zootaxa ◽  
2019 ◽  
Vol 4613 (3) ◽  
pp. 578 ◽  
Author(s):  
THOMAS ZIEGLER ◽  
CUONG THE PHAM ◽  
TAN VAN NGUYEN ◽  
TRUONG QUANG NGUYEN ◽  
JIAN WANG ◽  
...  
Keyword(s):  
New Species ◽  
Southern China ◽  
Sequence Divergence ◽  
Taxonomic Revision ◽  
Morphological Data ◽  
Mountain Stream ◽  
Single Male ◽  
Male Specimen ◽  
Northern Vietnam ◽  
Mitochondrial Cytochrome B

The Yellow-spotted Mountain Stream Keelback Opisthotropis maculosa was originally described based on a single male specimen from northeastern Thailand. Recently, based on morphological data, new records of this species were published initially from southern China and subsequently from northern Vietnam. In this study, we provide the first molecular comparisons between the holotype and other populations in China and Vietnam using the mitochondrial cytochrome b gene and use an integrative taxonomic approach to show that the population from Vietnam represents a distinct taxon. Opisthotropis haihaensis sp. nov. is characterized by a combination of the following characters: internasal not in contact with loreal; prefrontal not touching supraocular; frontal touching preocular; one preocular; one postocular; one anterior temporal; one posterior temporal; eight supralabials, fourth and fifth in contact with eye; 24 maxillary teeth; anterior pair of chin shields longer than posterior pair; 169 ventrals + 2 preventrals); 79 subcaudals, paired; 15 dorsal scale rows at neck, at midbody and before vent; body and tail scales smooth; chin shields yellow with brownish black mottling; body and tail dorsum dark with each a light spot per scale. Phylogenetically, the new species is supported as the sister taxon to “O. maculosa” from China (but separated by approximately 10% uncorrected pairwise sequence divergence) and is distantly related to O. maculosa sensu stricto from Thailand, warranting a taxonomic revision of the maculosa-like species. According to our results, O. maculosa should be delisted from the herpetofauna of Vietnam, which currently consists of nine Opisthotropis species. Five species, O. cucae, O. daovantieni, O. haihaensis, O. tamdaoensis, and O. voquyi, are endemic to the country. 

Nihonogomphus schorri sp. nov. from Huu Lien Nature Reserve, Lang Son Province, Vietnam (Odonata: Gomphidae)

Zootaxa ◽  
2011 ◽  
Vol 2831 (1) ◽  
pp. 63 ◽  
Author(s):  
MANH CUONG DO ◽  
HARUKI KARUBE
Keyword(s):  
New Species ◽  
Nature Reserve ◽  
Northern Vietnam ◽  
A New Species

A new species Nihonogomphus schorri Do & Karube, sp. nov. is described on the basis of male specimens collected from Huu Lien Nature Reserve, Lang Son Province, northern Vietnam. It is close to the Chinese species N. bequaerti Chao, 1954 due to the similarity of hamules, anal appendages and vesicle, but is easy toseparate from that species by the vesica spermalis structure and body markings.

scholarly journals A new species of Gonyosoma Wagler, 1828 (Serpentes, Colubridae), previously confused with G. prasinum (Blyth, 1854)

2021 ◽  
Vol 5 (1) ◽  
pp. 129-139
Author(s):  
Shuo Liu ◽  
Mian Hou ◽  
Ye Htet Lwin ◽  
Qiaoyan Wang ◽  
Dingqi Rao
Keyword(s):  
New Species ◽  
Bayesian Inference ◽  
Cytochrome B ◽  
Yunnan Province ◽  
Sequence Data ◽  
Phylogenetic Analyses ◽  
Pairwise Distance ◽  
Mitochondrial Cytochrome ◽  
Mitochondrial Cytochrome B ◽  
A New Species

A new species of the genus Gonyosoma Wagler is described from Yunnan Province, China. The new species closely resembles G. prasinum (Blyth), but it is differentiated from the latter species by the following characters: precloacal plate divided, iris blue and inside of mouth greyish-white in life. Based on phylogenetic analyses of mitochondrial cytochrome b sequence data, the new species is recovered as the sister species to G. prasinum by Bayesian Inference and Maximum Likelihood analyses. The uncorrected pairwise distance between the new species and other species of the genus Gonyosoma ranged from 11.78% to 17.07% calculated using the mitochondrial cytochrome b sequence. This discovery increases the number of Gonyosoma species to seven.

A new species of the genus Smithophis (Squamata: Serpentes: Natricidae) from southwestern China and northeastern Myanmar

Zootaxa ◽  
2020 ◽  
Vol 4803 (1) ◽  
pp. 51-74
Author(s):  
GERNOT VOGEL ◽  
ZENING CHEN ◽  
V. DEEPAK ◽  
DAVID J. GOWER ◽  
JINGSONG SHI ◽  
...  
Keyword(s):  
New Species ◽  
Cytochrome B ◽  
Yunnan Province ◽  
Sequence Data ◽  
Colour Pattern ◽  
Mitochondrial Cytochrome ◽  
Republic Of China ◽  
Dna Sequence Data ◽  
Mitochondrial Cytochrome B ◽  
A New Species

A new species of natricid snake, Smithophis linearis sp. nov., is described on the basis of a single recently collected specimen from Yingjiang County, Yunnan Province, People’s Republic of China, and three historical specimens from Yunnan and from northeastern Myanmar. The new species is assigned to the genus Smithophis on the basis of its single internasal and single prefrontal shields, and on the basis of the results of phylogenetic analysis of mitochondrial cytochrome b DNA sequence data. The new species differs from its congeners in having the following combination of characters: temporal shields present, six or more circumorbital scales, and a distinctive colour pattern comprising regular, narrow, longitudinal dark and pale lines. Morphological and cytochrome b data are consistent with the recognition of Smithophis as distinct from the genus Opisthotropis. A revised key to the identification of the species of Smithophis is provided. 

scholarly journals A new species of the genus Takydromus (Squamata, Lacertidae) from southwestern Guangdong, China

ZooKeys ◽  
2019 ◽  
Vol 871 ◽  
pp. 119-139 ◽  
Author(s):  
Jian Wang ◽  
Zhi-Tong Lyu ◽  
Chen-Yu Yang ◽  
Yu-Long Li ◽  
Ying-Yong Wang
Keyword(s):  
New Species ◽  
Nature Reserve ◽  
Mainland China ◽  
Guangdong Province ◽  
Ventral Surface ◽  
Morphological Characters ◽  
Adult Males ◽  
Fourth Finger ◽  
Mitochondrial Cytochrome B ◽  
A New Species

A new species, Takydromus yunkaiensis J. Wang, Lyu, & Y.Y. Wang, sp. nov. is described based on a series of specimens collected from the Yunkaishan Nature Reserve located in the southern Yunkai Mountains, western Guangdong Province, China. The new species is a sister taxon to T. intermedius with a genetic divergence of 8.0–8.5% in the mitochondrial cytochrome b gene, and differs from all known congeners by a combination of the following morphological characters: (1) body size moderate, SVL 37.8–56.0 mm in males, 42.6–60.8 mm in females; (2) dorsal ground color brown; ventral surface green to yellow-green, but light blue-green on chin and throat, posteriorly green in adult males; (3) dorsolateral lines paired, strikingly yellowish-white bordered by black above and below, invisible or indistinct in juveniles and adult females; (4) flanks of body blackish brown with light brown marks in adult males; (5) presence of four pairs of chin-shields; (6) four supraoculars on each side; (7) presence of a row of supracilary granules that separate supracilaries from supraoculars; (8) two postnasals; (9) enlarged dorsal scales in six longitudinal rows on trunk of body, with strong keel; (10) enlarged ventral scales in six longitudinal rows, strongly keeled in males, smooth but outermost rows weakly keeled in females; (11) enlarged and keeled lateral scales in a row above ventrals; (12) femoral pores 2–3 on each side; (13) subdigital lamellae 20–23 under the fourth finger, 23–30 under the fourth toe; and (14) the first 2–3 subdigital lamellae under the fourth toe divided. The discovery of Takydromus yunkaiensissp. nov. brings the total number of species of this genus to 24, of which nine occur in mainland China.

A revision of Angolan species in the genus Pedioplanis Fitzinger (Squamata: Lacertidae), with the description of a new species

Zootaxa ◽  
2021 ◽  
Vol 5032 (1) ◽  
pp. 1-46
Author(s):  
DIOGO PARRINHA ◽  
MARIANA P. MARQUES ◽  
MATTHEW P. HEINICKE ◽  
FARKHANDA KHALID ◽  
KELLY L. PARKER ◽  
...  
Keyword(s):  
New Species ◽  
Phylogenetic Analyses ◽  
Taxonomic Status ◽  
Original Description ◽  
Morphological Data ◽  
Type Material ◽  
The Status ◽  
Rag 1 ◽  
A New Species ◽  
Original Type

The genus Pedioplanis reaches its northernmost limit in western Angola, where it is represented by three species, Pedioplanis benguelensis, P. haackei and P. huntleyi. The taxonomic status of P. benguelensis remains problematic, mainly due to the vague original description and the loss of the original type material. Here we provide a revision of the Angolan representatives of the genus, with the description of a new species, Pedioplanis serodioi sp. nov., from the lowlands of southwestern Angola. Phylogenetic analyses using a combination of mitochondrial (16S and ND2) and nuclear (RAG-1) markers, as well as morphological data, support the recognition of the new species. For purposes of nomenclatural stability, we designate a neotype for P. benguelensis and provide motivation to correct the spelling of the specific epithet to “benguelensis”. The clarification of the status of P. benguelensis and the description of a new species contribute to a better understanding of the taxonomy and biogeography of the genus Pedioplanis, as well as the general biogeographic context of southwestern Angola, adding to the growing evidence in favor of the recognition of this region as a hotspot of lizard diversity and endemism. An updated key to the genus is also provided.  

Phylogenetic and biogeographic relationships of gerbil mice Eligmodontia (Rodentia, Cricetidae) in South America, with a description of a new species

Zootaxa ◽  
2008 ◽  
Vol 1753 (1) ◽  
pp. 1 ◽  
Author(s):  
MICHAEL A. MARES ◽  
JANET K. BRAUN ◽  
BRANDI S. COYNER ◽  
RONALD A. VAN DEN BUSSCHE
Keyword(s):  
New Species ◽  
Cytochrome B ◽  
Sequence Data ◽  
Molecular Data ◽  
Cytochrome B Gene ◽  
Minimum Evolution ◽  
Nucleotide Sequence Data ◽  
Biogeographic History ◽  
Mitochondrial Cytochrome B ◽  
A New Species

We present a systematic study of the genus Eligmodontia (sigmodontine rodents of the tribe Phyllotini) from Argentina, Bolivia, and Chile, based on molecular data. Phylogenetic relationships among 49 individuals were examined using nucleotide sequence data from the entire 1143 bp of the mitochondrial cytochrome-b gene. Unweighted parsimony, minimum evolution, maximum-likelihood (TrN+I+G), and Bayesian analyses revealed 2 major clades, representing Andean and non-Andean groups, and 6 minor clades, representing E. typus (lowland), E. typus (highland), E. morgani, E. puerulus, E. moreni, and E. hirtipes. E. typus (highland) is described as a new species based on combined data from the cytochrome-b gene, morphology, and karyology. The results indicate that the genus Eligmodontia is composed of a complex of species, most of which correspond to taxa that were described originally and each of which shows molecular cohesion within a limited geographic range. This species complex has relevance to current theories regarding the speciation patterns and the historical biogeography of South American sigmodontine rodents. The biogeographic history of the genus also is outlined.

scholarly journals A new cryptic species of ground-dwelling Hemidactylus (Squamata: Gekkonidae) from southern India

2018 ◽  
Vol 17 (2) ◽  
pp. 169-180 ◽  
Author(s):  
Zeeshan A. Mirza
Keyword(s):  
New Species ◽  
Cryptic Species ◽  
Species Complex ◽  
Molecular Data ◽  
Southern India ◽  
Morphological Data ◽  
Mitochondrial Cytochrome B ◽  
Karnataka State ◽  
Mitochondrial Cytochrome B Gene ◽  
A New Species

A new cryptic species of ground-dwelling Hemidactylus (Squamata: Gekkonidae) from southern India. Recently collected specimens of a gecko resembling Hemidactylus reticulatus from northern Karnataka State in southwestern India led me to investigate variation in the species with regards to its morphology and molecular divergence. Results based on existing museum material, combined with molecular data for the mitochondrial cytochrome b gene support the presence of cryptic species within the broadly distributed H. reticulatus complex. Here, I describe a new species of Hemidactylus from northern Karnataka as the frst contribution in resolving the species complex. The integration of molecular and morphological data supports the distinctness of the new species described herein.

scholarly journals Contribution to the knowledge of Atrichobrunettia Satchel, 1953 (Diptera, Psychodidae) from Brazil

2021 ◽  
Vol 61 ◽  
pp. e20216114
Author(s):  
Maíra Xavier Araújo ◽  
Freddy Bravo
Keyword(s):  
New Species ◽  
Rain Forest ◽  
Original Description ◽  
Morphological Data ◽  
Atlantic Rain Forest ◽  
Distal Margin ◽  
A New Species

A new species of moth-fly, Atrichobrunettia (Polibrunettia) longipalpis sp. nov. (Psychodinae, Psychodidae), from the Brazilian Atlantic Rain Forest is described. It can be distinguished from other species of the subgenus mainly by the length of palpus that is longer and by the dentate distal margin of hypandrium. Here the distribution of A. angelae Bravo, 2006 and A. paranaensis Bravo, 2005 is reviewed and morphological data to A. paranaensis Bravo, 2006 is given to complement the original description of the species.

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