Taxonomic revision of the Colombian Tityus (Archaeotityus) (Scorpiones, Buthidae) species: a morphological and morphometric approach, with a description of a new species

Zootaxa ◽  
2019 ◽  
Vol 4660 (1) ◽  
pp. 1-94
Author(s):  
JAIRO A. MORENO-GONZÁLEZ ◽  
RANULFO GONZÁLEZ O. ◽  
EDUARDO FLÓREZ D.
Keyword(s):  
Principal Component Analysis ◽  
New Species ◽  
New Records ◽  
Principal Component ◽  
Taxonomic Revision ◽  
Component Analysis ◽  
Morphological Characters ◽  
Species Level ◽  
Qualitative And Quantitative ◽  
A New Species

We present a taxonomic revision of the Colombian Tityus (Archaeotityus) species based on morphological and morphometric evidence. We examined more than 385 specimens and evaluated new and previously used qualitative and quantitative morphological characters. We redescribe the Colombian species and present morphological characters for both sexes and an emended diagnosis for the subgenus Tityus (Archaeotityus). We describe a new species Tityus guane sp. nov. from Santander department, Colombia, Tityus betschi Lourenço 1992 is synonymized with Tityus parvulus Kraepelin, 1914, and Tityus wayuu Rojas-Runjaic & Armas, 2007 is synonymized with Tityus tayrona Lourenço, 1991. We measured 186 specimens and performed a multivariate principal component analysis (PCA) for 34 selected morphometric ratios for each sex. We found that a few morphological ratios support species level distinctions within the Colombian species. We provide updated distributional maps with new records and an identification key for both sexes. Furthermore, we provide an updated checklist for the subgenus and a discussion about the character systems used within Tityus (Archaeotityus). The new morphological characters proposed and the traditional morphometry examined with a PCA are useful for studying Tityus (Archaeotityus) taxonomy.

scholarly journals Rhamnella brachycarpa (Rhamnaceae), a new species from Hainan Island, China

PhytoKeys ◽  
2019 ◽  
Vol 132 ◽  
pp. 19-29
Author(s):  
Zhiqiang Lu ◽  
Yongshuai Sun
Keyword(s):  
Principal Component Analysis ◽  
New Species ◽  
Principal Component ◽  
Woody Species ◽  
Hainan Island ◽  
Component Analysis ◽  
Morphological Characters ◽  
The Other ◽  
A New Species

Rhamnella brachycarpa Z. Qiang Lu & Y. Shuai Sun, a new evergreen woody species from Hainan Island, is described and illustrated. The specimens of this new species have previously been identified and placed under R. rubrinervis (H. Lév.) Rehder, with which it shares evergreen leaves, erect and climbing habits and axillary flowering branches with bracteole leaves. However, the specimens from three distinct Hainan populations significantly differ from those of R. rubrinervis from other regions with smaller length to width ratios of leaves, fruit and seeds, smaller sizes of fruit and seeds and mucronate seed apices. Principal Component Analysis of the closely related taxa, based on multiple morphological characters, further recognised two separated groups. One of them comprises R. tonkinensis and R. rubrinervis, the other merely includes all individuals from these distinct Hainan populations. Therefore, R. brachycarpa, based on these distinct Hainan populations, is here erected as a new species, distinctly different from its published relatives.

Limonium tobarrense (Plumbaginaceae), a new species from the southeastern Iberian Peninsula

Phytotaxa ◽  
2016 ◽  
Vol 257 (1) ◽  
pp. 61 ◽  
Author(s):  
JOAQUÍN MORENO ◽  
ALEJANDRO TERRONES ◽  
MARÍA ÁNGELES ALONSO ◽  
ANA JUAN ◽  
MANUEL B. CRESPO
Keyword(s):  
Principal Component Analysis ◽  
Multivariate Analysis ◽  
New Species ◽  
Iberian Peninsula ◽  
Conservation Status ◽  
Principal Component ◽  
Component Analysis ◽  
Diagnostic Key ◽  
A New Species

A new species, Limonium tobarrense (Plumbaginaceae), is described from the inland saltmarsh of Cordovilla (Tobarra) in Albacete province, southeastern Iberian Peninsula. This new species is morphologically close to the taxa belonging to the Limonium girardianum group, but there are remarkable differences suggesting separation at species rank. Comparisons are provided with L. dufourii, L. girardianum and L. grosii using multivariate analysis. The principal component analysis (PCA) shows four separated groups, each corresponding to the four species considered. Ecological, phytosociological, bioclimatic, biogeographic and reproductive features of the new species are also discussed, as well as its conservation status. A diagnostic key is provided to facilitate identification of L. tobarrense and its closer allies.

A new species of Ormosia (Leguminosae, Papilionoideae, Sophoreae) from the Brazilian Atlantic Rain Forest

Phytotaxa ◽  
2013 ◽  
Vol 143 (1) ◽  
pp. 54
Author(s):  
Jose Eduardo Meireles ◽  
Haroldo Cavalcante De Lima
Keyword(s):  
Principal Component Analysis ◽  
New Species ◽  
Rain Forest ◽  
Principal Component ◽  
Component Analysis ◽  
Atlantic Rain Forest ◽  
Legume Species ◽  
Morphometric Data ◽  
Abaxial Surface ◽  
A New Species

A new legume species from the Brazilian Atlantic Rain Forest, Ormosia altimontana, is described and illustrated. The new species belongs to the section Ormosia, series Excelsae, and shows morphological affinities with O. friburgensis and O. ruddiana, from which it is distinguished by having fewer leaflets (5-7) with prominent secondary veins, a tomentose abaxial surface, and longer pulvinules, and slightly longer flowers. A Principal Component Analysis of vegetative morphometric data supports O. altimontana as morphologically distinct from O. friburgensis and O. ruddiana.

Eutrema bulbiferum (Brassicaceae), a new species with bulbils from Hunan, China

Phytotaxa ◽  
2015 ◽  
Vol 219 (3) ◽  
pp. 233 ◽  
Author(s):  
Yan Xiao ◽  
Chun Li ◽  
Tung-Yu Hsieh ◽  
Dai-Ke Tian ◽  
Jian-Jun Zhou ◽  
...  
Keyword(s):  
Principal Component Analysis ◽  
Phylogenetic Analysis ◽  
New Species ◽  
Internal Transcribed Spacer ◽  
Principal Component ◽  
Component Analysis ◽  
Leaf Axil ◽  
Morphometric Characters ◽  
Stem Base ◽  
A New Species

Eutrema bulbiferum, a unique new species of Brassicaceae found in the limestone areas of Longshan and Jishou, Hunan, China, is described and illustrated. This species is most similar to E. tenue and E. yunnanense, but can be easily distinguished by its rosulate fleshy bulbils in the leaf axil or near the stem base, fewer ovules per ovary, slightly 4-angled short wand-like silique, and bended silique apex with a beak. E. bulbiferum is categorized into Eutrema by phylogenetic analysis based on the nuclear internal transcribed spacer (ITS). It is also clearly separated from E. tenue and E. yunnanense by the results of both phylogenetic analysis and Principal Component Analysis (PCA) based on morphometric characters.

Taxonomic revision of the Limonium latebracteatum group (Plumbaginaceae), with the description of a new species

Phytotaxa ◽  
2018 ◽  
Vol 333 (1) ◽  
pp. 41 ◽  
Author(s):  
JOAQUÍN MORENO ◽  
ALEJANDRO TERRONES ◽  
MARÍA ÁNGELES ALONSO ◽  
ANA JUAN ◽  
MANUEL B. CRESPO
Keyword(s):  
Principal Component Analysis ◽  
New Species ◽  
Discriminant Analysis ◽  
Iberian Peninsula ◽  
Classification Tree ◽  
Principal Component ◽  
Taxonomic Revision ◽  
Linear Discriminant ◽  
Diagnostic Key ◽  
A New Species

Limonium latebracteatum is a plant species from the central and northeastern Iberian Peninsula, characterised by an inner bract wider than long, glaucous leaves, and wide petioles, which belongs to the Limonium delicatulum group. The L. delicatulum group is a complex group formed by around fifteen Iberian and Balearic species, including endemisms with narrow distributions, which is highly diversified in the Mediterranean territories of the Iberian Peninsula. The species in that group are similar each other and occasionally they are not well-delimited morphologically. In this framework, a taxonomic revision of L. latebracteatum and close species in the Iberian Peninsula has been carried out to clarify the taxonomy of L. latebracteatum and L. carpetanicum. This revision has been based on morphological features and supported by ordination analyses such as Principal Component Analysis (PCA) and Linear Discriminant Analysis (LDA). In addition, a classification tree was performed to support these analyses. As a result of this study, L. latebracteatum has been separated in two differentspecies: L. latebracteatum and L. admirabile, a new species endemic to Albacete province which is described here. Finally, a diagnostic key is provided for the L. delicatulum group to allow identification of the species in this group.

New taxa and new records of butterflies from Vietnam (Lepidoptera, Papilionoidea) 

Zootaxa ◽  
2021 ◽  
Vol 5048 (4) ◽  
pp. 486-510
Author(s):  
ALEXANDER L. MONASTYRSKII ◽  
VU VAN LIEN
Keyword(s):  
New Species ◽  
New Taxa ◽  
New Records ◽  
Species Level ◽  
New Subspecies ◽  
The Status ◽  
First Time ◽  
A New Species

A new species and eight new subspecies of Papilionoidea discovered in Vietnam between 2002 and 2020 are described and illustrated. The status of two taxa are revised. New taxa include Pieridae: Delias sanaca bidoupa Monastyrskii & Vu subspec. nov. and Talbotia naganum aurelia Monastyrskii & Vu subspec. nov.; Nymphalidae: Abrota ganga pulcheria Monastyrskii & Vu, subspec. nov.; Bassarona recta consonensis Monastyrskii & Vu, subspec. nov.; Pantoporia bieti aurantina Monastyrskii & To subspec. nov.; Ragadia latifasciata cristata Monastyrskii & Vu, subspec. nov.; Ragadia latifasciata crystallina Monastyrskii & Vu, subspec. nov.; Faunis indistincta luctus Monastyrskii & Vu subspec. nov. & Aemona gialaica Monastyrskii, K. Saito & Vu, spec. nov. The taxon infuscata Devyatkin & Monastyrskii, previously described as the subspecies Aemona tonkinensis infuscata, was elevated to the species level, while the taxon critias (Ragadia critias Riley & Godfrey) was reduced to a subspecies. Three Satyrinae species were recorded from Vietnam for the first time: Palaeonympha opalina Butler, 1871; Ypthima motschulskyi Bremer & Grey, 1853; and Ragadia latifasciata Leech, 1891.  

scholarly journals A phenetic study of the genus Rasahus Amyot & Serville (Heteroptera, Reduviidae)

1990 ◽  
Vol 1 (3) ◽  
pp. 131-144
Author(s):  
María Coscarón
Keyword(s):  
Principal Component Analysis ◽  
Cluster Analysis ◽  
Principal Component ◽  
Component Analysis ◽  
Morphological Characters ◽  
Basal Plate ◽  
Using Data ◽  
Diagnostic Importance

Cluster analysis by four methods and a principal component analysis were performed using data on 24 morphological characters of 27 species of the genus Rasahus (Peiratinae). The results obtained by the different techniques show general agreement. They confirm the present number of taxa and reveal the existence within the genus of three groups of species: scutellaris , hamatus and vittatus. The scutellaris group is constituted by R. aeneus (Walker), R. maculipennis (Lepelletier and Serville), R. bifurcatas Champion, R. castaneus Coscarón, R. guttatipennis (Stål), R. flavovittarus Stål, R. costarricensis Coscarón, R. scutellaris (Fabricius), R. atratus Coscarón, R. peruensis Coscarón, R. paraguayensis Coscarón, R. surinamensis Coscarón, R. albomaculatus Mayr, R. brasiliensis Coscarón and R. sulcicollis (Serville).The hamatus group contains R. rufiventris (Walker), R. hamatus (Fabricius), R. amapaensis Coscarón, R. arcitenens Stål, R. limai Pinto, R. angulatus coscarón, R. thoracicus Stål, R. biguttatus (Say), R. arcuiger (Stål), R. argentinensis Coscarón and R. grandis Fallou. The vittatus group contains R. vittatus Coscarón. The characters used to separate the groups of species are: shape of the pygophore, shape of the parameres, basal plate complexity, shape of the postocular region and hemelytra pattern. Illustrations of the structures of major diagnostic importance are included.

scholarly journals Plantago campestris (Plantaginaceae), a rare new species from southern Brazil, supported by phylogenomic and morphological evidence

PeerJ ◽  
2021 ◽  
Vol 9 ◽  
pp. e11848
Author(s):  
Gustavo Hassemer ◽  
Elliot M. Gardner ◽  
Nina Rønsted
Keyword(s):  
New Species ◽  
Species Complex ◽  
High Throughput Sequencing ◽  
Morphological Characters ◽  
High Elevation ◽  
Species Level ◽  
Morphological Evidence ◽  
Southern Brazil ◽  
A New Species ◽  
Iucn Criteria

High-throughput sequencing, when combined with taxonomic expertise, is a powerful tool to refine and advance taxonomic classification, including at the species level. In the present work, a new species, Plantago campestris, is described out of the P. commersoniana species complex, based on phylogenomic and morphological evidence. The main morphological characters that distinguish the new species from P. commersoniana are the glabrous posterior sepals and the slightly broader leaves. The new species is known from only three localities, all in natural high-elevation grasslands in Paraná and Santa Catarina states, southern Brazil. According to the IUCN criteria new species should be assessed as Endangered (EN). We present field photographs of P. campestris and related species, and we provide an identification key to the species previously included within the circumscription of P. commersoniana.

scholarly journals Morphological variability of acorns and its taxonomic significance in Quercus. from Turkey

2015 ◽  
Vol 43 (3) ◽  
pp. 293-299 ◽  
Author(s):  
Y Bakis ◽  
MT Babaç
Keyword(s):  
Principal Component Analysis ◽  
Morphological Variability ◽  
Morphological Characteristics ◽  
Principal Component ◽  
Component Analysis ◽  
Morphological Characters ◽  
Taxonomic Significance ◽  
Morphological Variations ◽  
Quercus Species ◽  
Different Populations

Morphological variations of acorn among and within the groups of Quercus species were studied. A total of 617 acorns belonging to 14 species representing all 3 sections of Quercus L. (Fagaceae) in Turkey were examined in this study. Specimens were collected from 47 different populations over both Anatolian and Thrace part of Turkey. Principal component analysis was used to analyze the morphological characteristics of acorns. Results obtained from this study demonstrate the use of morphological characters in differentiating the taxa of Quercus and Cerris sections studied. Another important finding is the introgression among the acorns of species within Quercus section DOI: http://dx.doi.org/10.3329/bjb.v43i3.21601 Bangladesh J. Bot. 43(3): 293-299, 2014 (December)

Revision of Neacomys spinosus (Thomas, 1882) (Rodentia: Cricetidae) with emphasis on Peruvian populations and the description of a new species

Zootaxa ◽  
2017 ◽  
Vol 4242 (3) ◽  
pp. 401 ◽  
Author(s):  
NATALI HURTADO ◽  
VÍCTOR PACHECO
Keyword(s):  
New Species ◽  
Taxonomic Revision ◽  
Molecular Evidence ◽  
Cloud Forests ◽  
Qualitative And Quantitative ◽  
Candidate Species ◽  
Molecular Context ◽  
Northern Peru ◽  
Species Groups ◽  
A New Species

The large spiny mouse Neacomys spinosus (Thomas, 1882) has been considered the widest ranging species of the genus, occurring in southern Colombia, eastern Peru, western Brazil and northern Bolivia. The morphological variation between subspecies and populations of N. spinosus has been noted; nonetheless, this variation has not been assessed in a morphological or molecular context. Here, we present a taxonomic revision of Neacomys spinosus s.l. using qualitative and quantitative morphological analyses. These analyses were complemented with molecular analysis to reconstruct the phylogenetic relationships among species of Neacomys, based on sequences of the cytochrome b gene. Our results reveal that N. spinosus s.l. is a monophyletic group, and morphological and molecular evidence to differentiate three taxa: N. spinosus s.s., an endemic species from mountain cloud forests in Peru; N. amoenus s.l. from the Cerrado between Bolivia and Brazil to the Amazonia between Ecuador and northern Peru, and Neacomys sp. nov. from mountain cloud forests from southern Peru to Bolivia. Also, our molecular results indicate that Neacomys is still far from being completely known. For instance, there are three candidate species pending of taxonomic revision. Finally, we propose three species groups within Neacomys: “paracou”, “tenuipes” and “spinosus”, and discuss biogeographical scenarios of the genus within South America. 

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