Phylogeny and biogeography of the South American subgenus Euschistus (Lycipta) Stål (Heteroptera: Pentatomidae: Carpocorini)

2016 ◽  
Vol 47 (4) ◽  
pp. 313-346 ◽  
Author(s):  
Luciana Weiler ◽  
Augusto Ferrari ◽  
Jocelia Grazia
Keyword(s):  
Phylogenetic Analyses ◽  
Morphological Characters ◽  
Data Matrix ◽  
South American ◽  
The South ◽  
Cladistic Analyses ◽  
Heteroptera Pentatomidae ◽  
Definition Of

Phylogenetic analyses of the 13 species of the subgenusLyciptabased on morphological characters were performed under equal and implied weighting, following the method of Mirande (2009). Species fromDichelops,Ladeaschistus,Proxys,Spinalanx,Euschistus(Euschistus) andEuschistus(Mitripus) were included as outgroups, and the tree rooted onCarpocoris. Sixty-five morphological characters were coded in the data matrix. The cladistic analyses did not recover the monophyly of the subgenusLycipta. A clade was supported based on characters of the pygophore and female ectodermal ducts strengthening a new definition ofEuschistus(Lycipta). One species,Euschistus monrosi, was excluded from the subgenus and transferred to the nominal subgenus.Euschistus(Lycipta) species are distributed in two Neotropical subregions: Brazilian (Pará, Rondônia and Yungas provinces) and Chacoan (Pampean, Atlantic, Parana andAraucariaForests and Puna provinces). Biogeographical analyses of spatial vicariance were performed employing different sets of parameters and allowed to identify five disjunctions nodes.

scholarly journals A Combined Molecular and Morphological Approach to Explore the Higher Phylogeny of Entimine Weevils (Coleoptera: Curculionidae), with Special Reference to South American Taxa

Diversity ◽  
2018 ◽  
Vol 10 (3) ◽  
pp. 95 ◽  
Author(s):  
Adriana Marvaldi ◽  
María del Río ◽  
Vanina Pereyra ◽  
Nicolás Rocamundi ◽  
Analía Lanteri
Keyword(s):  
Phylogenetic Analyses ◽  
Sister Group ◽  
Morphological Characters ◽  
Data Matrix ◽  
Coi Gene ◽  
South American ◽  
Parsimony Analysis ◽  
The South ◽  
Morphological Approach ◽  
Mitochondrial 16S Rdna

The Entiminae are broad-nosed weevils constituting the most diverse subfamily of Curculionidae, with over 50 tribes. We performed Bayesian and Maximum Parsimony combined phylogenetic analyses with the main objective of testing higher-level relationships and the naturalness of the major Neotropical and Southern South American (Patagonia and Andes) tribes, including some members from other regions. We compiled a data matrix of 67 terminal units with 63 Entiminae species, as well as four outgroup taxa from Cyclominae, by 3522 molecular (from nuclear 18S rDNA and 28S rDNA, and mitochondrial 16S rDNA and COI gene sequences) and 70 morphological characters. The resulting trees recover a clade Entiminae with a monophyletic Cylydrorhinini and Premnotrypes branching off early. The tree resulting from parsimony analysis shows a clade of Leptopiini from the Australian region and another clade including taxa mainly distributed in the Palaearctic and Neotropical regions, but in the Bayesian tree the South American and Australian Leptopiini are grouped together. The mainly Palaearctic Entiminae (e.g., Brachyderini, Laparocerini, Otiorhynchini, Peritelini, Polydrusini, Phyllobiini and Sciaphylini) form a subclade separated from Southern Hemisphere taxa. Among the latter, the well-supported Naupactini are the sister group of the South American Tanymecini, excluding Platyaspistes, herein transferred to Leptopiini (new placement). Another well-justified clade is Eustylini–Geonemini, which also includes the enigmatic Galapagonotus, and the genus Artipus, thus corroborating its recent exclusion from Naupactini.

scholarly journals Morphometric and phylogenetic analyses of Serpentirhabdias viperidicus n. sp. (Nematoda: Rhabdiasidae) from the lancehead snake Bothrops moojeni Hoge, 1966 (Reptilia: Serpentes: Viperidae) in Brazil

2016 ◽  
Vol 91 (3) ◽  
pp. 360-370 ◽  
Author(s):  
D.H. Morais ◽  
A. Aguiar ◽  
M.I. Müller ◽  
R.B. Narciso ◽  
L.A.F. da Silva ◽  
...  
Keyword(s):  
New Species ◽  
Phylogenetic Analyses ◽  
Morphological Characters ◽  
Neotropical Region ◽  
South American ◽  
Paulo State ◽  
Molecular Approaches ◽  
Molecular Phylogenetic ◽  
Bothrops Moojeni ◽  
A New Species

AbstractSerpentirhabdias viperidicus n. sp. (Nematoda: Rhabdiasidae) is described from the lungs of the ‘Brazilian lancehead’ Bothrops moojeni (Hoge, 1966) from the savannah in São Paulo State, Brazil. The new species is the eighth species of Serpentirhabdias described in the Neotropical region, and differs from other species mainly by a combination of characters: lips slightly notable, presence of fine striations at posterior ends, presence of two parallel lines with intercalated pores, a pore-shaped phasmid situated at the level of the anal aperture and another two in the posterior half of the tail. It is the first species of Serpentirhabdias reported in this snake host and the second species of this genus found parasitizing South American viperidian snakes. Molecular phylogenetic analysis using ribosomal (ITS and 28S partial) genes confirms Serpentirhabdias viperidicus n. sp. as a new species that clustered in the Serpentirhabdias clade, sister taxon to Serpentirhabdias fuscovenosa and Serpentirhabdias elaphe. This is the first description of Serpentirhabdias species from Brazil using molecular approaches and morphological characters to confirm the monophyly of this recent genus.

Revision of the family Listropsoralgidae Fain, 1965 (Acariformes: Sarcoptoidea)—skin parasites of marsupials and rodents

Zootaxa ◽  
2013 ◽  
Vol 3611 (1) ◽  
pp. 1-69
Author(s):  
ANDRE V BOCHKOV ◽  
BARRY M OCONNOR ◽  
PATRICK GROOTAERT
Keyword(s):  
Morphological Characters ◽  
Monodelphis Domestica ◽  
South American ◽  
The South ◽  
Bayesian Analyses ◽  
The Family ◽  
Outgroup Species ◽  
Host Parasite ◽  
First Time ◽  
Metachirus Nudicaudatus

The family Listropsoralgidae Fain, 1965 (Acariformes: Sarcoptoidea) is represented by the permanent skin ectoparasites associated with the South American and Australian marsupials (12 species) and the South American rodents of the family Echimyidae (1 species). The phylogenetic relationships of these mites (12 ingroup and 2 outgroup species) are reconstructed on the basis of the maximum parsimony (MP) and Bayesian analyses (BA) of 76 morphological characters. MP analysis confirmed monophyly of the listropsoralgid genera, the strict consensus of 18 trees generated by MP has the following pattern: Petauralges (Listropsoralgoides, Didelphialges, Listropsoralges) with poor resolution among species of the genus Listropsoralges. The same tree was generated by BA. Both successive and implied weighting strategies resulted in 7 MP trees: Petauralges (Listropsoralgoides (Didelphialges (Listropsoralges))). The relationships between species of the genus Listropsoralges received the poorest resolution: L. caenolestes (L. monodelphis, L. vossi, L. faini, L. brevisetosa (L. thylamys (L. marmosa–L. caluromys))). The host-parasite relationships of listropsoralgids are briefly discussed. The family Listropsoralgidae is taxonomically revised and to date includes 13 species in 4 genera. Six species and one genus are described as new: Listropsoralges brevisetosus sp. n. from Marmosa murina (Didelphimorphia: Didelphidae) from Peru, Listropsoralges similis sp. n. from Caluromys derbianus (Didelphidae) from Panama, Listropsoralges thylamys sp. n. from Thylamys venustus (Didelphidae) from Bolivia, Listropsoralges vossi sp. n. from Monodelphis domestica (Didelphidae) from Brazil, Listropsoralges caenolestes sp. n. from Caenolestes fuliginosus (Paucituberculata: Caenolestidae) from Ecuador, and Didelphialges metachirus gen. n., sp. n. from Metachirus nudicaudatus (Didelphidae) from Peru. The female of Listropsoralges faini Bochkov and Wauthy, 2009 is described for the first time.

Revision of the South American genus Parorphula (Orthoptera: Acrididae; Hyalopterygini) with the description of a new genus

2004 ◽  
Vol 35 (3) ◽  
pp. 307-316
Author(s):  
Mariano Donato
Keyword(s):  
Morphological Analysis ◽  
New Genus ◽  
Cladistic Analysis ◽  
Morphological Characters ◽  
External Morphology ◽  
New Combination ◽  
South American ◽  
The South ◽  
The Creation

AbstractIn this study Parorphula is re-described based on characters from the external morphology and genitalia. This genus comprised two species: P. pallidinota and P. latipennis, that were described based mostly on characters from external morphology. The morphological analysis conducted in this study plus the support of results from a cladistic analysis showed that external morphological characters justify the creation of a new genus for P. latipennis. Therefore, the genus Neorphula is proposed and the new combination is established.

Taxonomy and phylogeny of Chara (Charophyceae, Characeae) from Brazil with emphasis on the midwest and southeast regions

Phytotaxa ◽  
2017 ◽  
Vol 302 (2) ◽  
pp. 101 ◽  
Author(s):  
FABIO RENATO BORGES ◽  
ORLANDO NECCHI JR
Keyword(s):  
Molecular Markers ◽  
Maximum Likelihood ◽  
Dna Sequences ◽  
American Studies ◽  
Phylogenetic Analyses ◽  
Morphological Characters ◽  
Molecular Data ◽  
South American ◽  
Bayesian Analyses ◽  
Sem Analyses

South American studies on the genus Chara are relatively scarce, most consisting of floristic surveys and using only traditional morphological characters. This study is a first approach to the systematics of the genus Chara applying modern techniques (DNA sequences and oospore SEM analyses) in addition to the alpha-taxonomy investigations that have been conducted in Brazil. Twelve populations of Chara were analyzed from the midwest and southeast regions of Brazil. Sequences of three molecular markers were applied to infer phylogenies. The ultrastructure of the oospore wall and currently used morphological characters were analyzed for Chara populations. Maximum likelihood and Bayesian analyses of sequences of rbcL, ITS2, and matK were congruent in that they grouped the species in six clades, each representing one species: Chara braunii C.C. Gmelin, C. foliolosa C.L.Willdenow, C. guairensis R.Bicudo, C. haitensis M.P.J.F. Turpin, C. hydropitys H. Reichenbach and C. rusbyana M. Howe. Morphological characters, including ultrastructure of oospore wall, provided good evidences to characterize each species. Molecular data supported the recent view that some traditional infra-generic taxa (e.g. subgenus Charopsis and subsection Willdenowia) are not supported in phylogenetic analyses, whereas some species (e.g. C. foliolosa, C. haitensis, C. hydropitys and C. rusbyana previously considered as varieties and forms of C. zeylanica) were consistently distinguished in the analyses for the three molecular markers.

scholarly journals Revision of the South American genus Gaujonia Dognin (Noctuidae, Pantheinae) with descriptions of five new genera and twenty-one new species

ZooKeys ◽  
2020 ◽  
Vol 985 ◽  
pp. 71-126
Author(s):  
Jose I. Martinez
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Morphological Characters ◽  
The Other ◽  
South American ◽  
New Combinations ◽  
New Genera ◽  
The South ◽  
Molecular Analyses ◽  
One New Species

The endemic Neotropical genus Gaujonia Dognin is revised. Morphological characters and a phylogenetic analysis demonstrate paraphyletic relationships among the species. Four different groups are interpreted to represent four different genera. The G. arbosi group is the only remaining clade in the genus Gaujonia, and the other groups have been arranged into three new genera: Milleranagen. nov., Oculicattusgen. nov., and Cicadoformagen. nov. Additionally, two other genera Cicadomorphusgen. nov., and Gaujopteragen. nov. were found using morphological and molecular analyses based on some specimens that were misidentified as Gaujonia spp. A total of five new genera, three new combinations (Cicadoforma vau-nigrum Hampson, comb. nov., Oculicattus renifera Hampson, comb. nov., and Millerana arbosioides Dognin, comb. nov.) and 21 new species (Cicadoforma ocelotussp. nov., Cicadomorphus chicharrasp. nov., Cicadomorphus chuyasp. nov., Cicadomorphus falkasiskasp. nov., Cicadomorphus lilianaesp. nov., Gaujonia bichusp. nov., Gaujonia chiqyaqsp. nov., Gaujonia kanakusikasp. nov., Gaujonia sourakovisp. nov., Gaujoptera amsasp. nov., Millerana austinisp. nov., Millerana cajassp. nov., Millerana cundinamarquensissp. nov., Millerana matthewsaesp. nov., Millerana tigrinasp. nov., Oculicattus bolivianasp. nov., Oculicattus brehmisp. nov., Oculicattus incasp. nov., Oculicattus raizaesp. nov., Oculicattus schmidtisp. nov., and Oculicattus uturunkusp. nov.) are established.

A taxonomic revision of the South American species of Pseudocanthon Bates, 1887 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini)

Zootaxa ◽  
2021 ◽  
Vol 5027 (1) ◽  
pp. 61-86
Author(s):  
EVERTON E. NAZARÉ-SILVA ◽  
FERNANDO A.B. SILVA
Keyword(s):  
New Species ◽  
Literature Review ◽  
South America ◽  
Taxonomic Revision ◽  
Morphological Characters ◽  
Valid Species ◽  
South American ◽  
The South ◽  
South American Species ◽  
Three New Species

The South American species of Pseudocanthon Bates, 1887 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini) are reviewed. In this work, 10 valid species and two subspecies are recognized for the genus. Among these species, five are recorded in South America, including three new species: P. perplexus (LeConte, 1847), P. xanthurus (Blanchard, 1847), P. vazdemelloi new species, P. pantanensis new species, and P. chaquensis new species. A lectotype is designated for P. xanthurus (Blanchard, 1847). In this revision, each species is analyzed as follows: a detailed literature review, an identification key for the South American species, a diagnosis, descriptions, illustrations of key morphological characters, list of examined material, and geographic distribution.  

The South American species of Desmarestia (Phaeophyceae)

1992 ◽  
Vol 70 (12) ◽  
pp. 2430-2445 ◽  
Author(s):  
María Eliana Ramírez ◽  
Akira F. Peters
Keyword(s):  
Life History ◽  
New Species ◽  
Morphological Characters ◽  
Laboratory Culture ◽  
South American ◽  
The South ◽  
Culture Study ◽  
South American Species ◽  
A New Species ◽  
Young Sporophytes

The South American species of Desmarestia are revised using morphological features of field sporophytes and reproductive and ontogenetic characters obtained from laboratory culture of gametophytes and young sporophytes. Ten entities including a new species are recognized: D. chordalis, D. confervoides comb.nov., D. distans, D. firma, D. gayana, D. ligulata, D. muelleri sp.nov., D. patagonica, D. peruviana, and D. tropica. Although the taxa were distinguished in part using features of the life history in culture, most field thalli can be identified using morphological characters. A key to the South American species of Desmarestia is provided. Key words: culture study, Desmarestia, Desmarestia confervoides comb.nov., Desmarestia muelleri sp.nov., Phaeophyceae, South America, taxonomy.

scholarly journals The South American and Australian percichthyids and perciliids. What is new about them?

2019 ◽  
Vol 17 (1) ◽  
Author(s):  
Gloria Arratia ◽  
Claudio Quezada-Romegialli
Keyword(s):  
Phylogenetic Analysis ◽  
Cryptic Species ◽  
Morphological Characters ◽  
Data Sets ◽  
South American ◽  
The South

ABSTRACT A study including morphological characters and mitogenomics of South American and Australian fishes previously assigned to Percichthyidae was conducted. Results generated from these different data sets reveal major disagreements concerning the content and interpretation of the so-called percichthyids. A phylogenetic analysis based on 54 morphological characters suggests the existence of two major clades: (1) Percichthyidae, including the South American Percichthys and the Australian taxa Macquaria australasica, Macquaria (= Plectroplites), and Maccullochella; (2) Perciliidae with the South American genus Percilia at the base plus more advanced Australian genera Nannoperca, Nannatherina, Bostockia, and Gadopsis. In contrast, molecular and mitogenomic evidence suggests only one clade (Percichthyidae), with the exclusion of species of Macquaria (= Percalates). Additionally, the results reveal the existence of various taxonomic problems, such as the current interpretation of only one species of Percichthys in Argentina, an interpretation that is not supported by the present study; the existence of cryptic species of Percilia as well as of Gadopsis, Nannoperca, and Macquaria that will increase the diversity of the genera; and the need for an extensive revision of species previously assigned to Percalates versus Macquaria. Disagreements point to the need to develop further research on the so-called percichthyids and perciliids.

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