scholarly journals Taxonomic revision of the South American subgenus Canthon (Goniocanthon) Pereira & Martínez, 1956 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini)

2018 ◽  
Author(s):  
Luis Gabriel de O.A. Nunes ◽  
Rafael V. Nunes ◽  
Fernando Z. Vaz-de-Mello
Keyword(s):  
South America ◽  
Atlantic Forest ◽  
Taxonomic Revision ◽  
South American ◽  
The South ◽  
Senior Synonym ◽  
Northern Portion ◽  
Northern South America ◽  
First Time

In this article, the subgenus Canthon (Goniocanthon) Pereira & Martínez, 1956 is diagnosed within the tribe Deltochilini Lacordaire, 1856 and redefined with three species: 1) C. (Goniocanthon) bicolor Castelnau, 1840, from the Guyanas and northern South America, included for the first time in this subgenus; 2) C. (G.) smaragdulus (Fabricius, 1781), including two subspecies, C. (G.) smaragdulus smaragdulus, senior synonym of Canthon speculifer Castelnau, 1840 (neotype here designated), from the southern portion of the Atlantic Forest and C. (G.) smaragdulus subviridis Schmidt stat. rev. (lectotype here designated) from the northern portion of the Atlantic Forest; 3) C. (G.) fulgidus Redtenbacher, 1868, which includes three subspecies, C. (G.) fulgidus fulgidus from the southern Amazon (lectotype here designated), C. (G.) fulgidus martinezi subsp. nov., from the central and southern Amazon and C. (G.) fulgidus pereirai subsp. nov., from the western Amazon.

Redefinition of the vittata species group of Epicauta Dejean (1834) (Coleoptera: Meloidae) and taxonomic revision of the species from southern South America

Zootaxa ◽  
2011 ◽  
Vol 2824 (1) ◽  
pp. 21 ◽  
Author(s):  
MARÍA PAULA CAMPOS-SOLDINI ◽  
SERGIO ALBERTO ROIG-JUÑENT
Keyword(s):  
North America ◽  
South America ◽  
Central America ◽  
Taxonomic Revision ◽  
Species Group ◽  
South American ◽  
South American Species ◽  
Southern South America ◽  
Northern South America ◽  
First Time

The Epicauta vittata group are commonly known as striped blister beetles and was defined by previous authors to include 32 species, 18 from North America, Central America and northern South America, and 14 from southern South America. In the present revision we revised 22 species from South America, excluding the following southern South American species: E. borgmeieri Denier, 1935; E. floydwerneri Martínez, 1955; E. franciscana Denier, 1935; E. fulginosa (Oliver, 1795); E. purpureiceps (Berg, 1889); E. rutilifrons Borchmann, 1930; and E. zebra (Dohrn, 1876) because they do not have the diagnostic characters of the group. The species of the E. vittata group from southern South America are: E. bosqi Denier, 1935; E. clericalis (Berg, 1881); E. grammica (Fischer, 1827); E. leopardina (Haag-Rutemberg, 1880); E. luteolineata Pic, 1933; E. missionum (Berg, 1881); E. monachica (Berg, 1883); E. rutilifrons Borchmann, 1930; plus two more species E. excavata (Klug, 1825); and E. semivittata (Fairmaire, 1875) until now not included in other groups. We provide a complete diagnosis of the E. vittata group from southern South America, redescribing and illustrating all included species. Detailed descriptions and illustrations of female and male genitalia are presented for the first time for these species. Finally, we provide an identification key for the ten species presently included in the E. vittata group, and update the geographic distribution of each species.

scholarly journals Late Pleistocene echimyid rodents (Rodentia, Hystricognathi) from northern Brazil

2016 ◽  
Vol 88 (2) ◽  
pp. 829-845 ◽  
Author(s):  
THAIS M.F. FERREIRA ◽  
ADRIANA ITATI OLIVARES ◽  
LEONARDO KERBER ◽  
RODRIGO P. DUTRA ◽  
LEONARDO S. AVILLA
Keyword(s):  
South America ◽  
Tropical Forests ◽  
Late Pleistocene ◽  
Fossil Record ◽  
South American ◽  
Squamate Reptiles ◽  
Northern Brazil ◽  
Northern South America ◽  
First Time

ABSTRACT Echimyidae (spiny rats, tree rats and the coypu) is the most diverse family of extant South American hystricognath rodents (caviomorphs). Today, they live in tropical forests (Amazonian, coastal and Andean forests), occasionally in more open xeric habitats in the Cerrado and Caatinga of northern South America, and open areas across the southern portion of the continent (Myocastor). The Quaternary fossil record of this family remains poorly studied. Here, we describe the fossil echimyids found in karst deposits from southern Tocantins, northern Brazil. The analyzed specimens are assigned to Thrichomys sp., Makalata cf. didelphoides and Proechimys sp. This is the first time that a fossil of Makalata is reported. The Pleistocene record of echimyids from this area is represented by fragmentary remains, which hinders their determination at specific levels. The data reported here contributes to the understanding of the ancient diversity of rodents of this region, evidenced until now in other groups, such as the artiodactyls, cingulates, carnivores, marsupials, and squamate reptiles.

Taxonomic Revision of Euphrasia (Orobanchaceae) in South America

2021 ◽  
Vol 106 ◽  
pp. 392-423
Author(s):  
Ana Verónica Ortiz ◽  
Pablo Moroni ◽  
Fabiana Mirra ◽  
Rosa María Villanueva Espinoza ◽  
Nataly O'Leary
Keyword(s):  
South America ◽  
Native Species ◽  
Morphological Study ◽  
Taxonomic Revision ◽  
Herbarium Specimens ◽  
South American ◽  
South American Species ◽  
Arduous Task ◽  
First Time

Morphological boundaries between South American species of Euphrasia L. are controversial, rendering determination of specimens an arduous task. In this context, a comprehensive taxonomic revision of Euphrasia in South America is here provided for the first time. This study, based upon a classical morphological study of ca. 400 herbarium specimens, supports the recognition of eight species and one subspecies distributed in the Andean regions of Argentina, Bolivia, and Chile. From among native species, six belong to section Trifidae Benth. and one to the monotypic section Paradoxae Pugsley, endemic to Juan Fernández Islands; one adventive species, E. officinalis L., belongs to the section Euphrasia. The previously misunderstood presence of E. cockayniana Petrie is here untangled, and, consequently, the species is excluded from South America. A key to all Euphrasia taxa in South America, plus morphological descriptions, nomenclature items, geographical distribution and maps, habitat notes, illustrations, photographs, and discussion notes are included for the nine taxa. Eleven names are here synonymized, and lectotypes are designated for E. andicola Benth., E. debilis Wettst., E. flavicans Phil., E. intricata Phil., and E. philippii Wettst. Euphrasia andicola is reported for the first time for Argentina. This collaborative effort will represent a baseline for further investigations on Euphrasia in South America.

Comparative anatomy of the gut of the South American species of Amitermes, with description of two new species and an identification key based on soldiers and workers

Zootaxa ◽  
2020 ◽  
Vol 4751 (1) ◽  
pp. 75-104
Author(s):  
MAURICIO M. ROCHA ◽  
ELIANA M. CANCELLO
Keyword(s):  
New Species ◽  
South America ◽  
Geographic Distribution ◽  
Comparative Anatomy ◽  
Distribution Patterns ◽  
South American ◽  
The South ◽  
South American Species ◽  
Two New Species ◽  
First Time

In this contribution we present updates on the taxonomy and morphology of the South American species of Amitermes. Two new species are described: Amitermes bandeirai, sp. n., from Brazil, and Amitermes lilloi, sp. n., from Argentina. Amitermes nordestinus is a junior synonym of Amitermes aporema. The imago of A. aporema is described for the first time. Detailed comparative gut anatomy of the eight species is presented for the first time. The geographic distribution of Amitermes in South America is expanded and the distribution patterns of some species are discussed. 

scholarly journals Primer registro de Agave sisalana (Agavaceae, Asparagales) para Colombia

2020 ◽  
Vol 8 (2) ◽  
pp. 490-498
Author(s):  
Diego Giraldo-Cañas
Keyword(s):  
South America ◽  
Native Species ◽  
Yucatan Peninsula ◽  
South American ◽  
The South ◽  
South American Species ◽  
Reproductive Characteristics ◽  
Agave Fourcroydes ◽  
First Time ◽  
Agave Sisalana

Agave sisalana Perrine, a native species from Yucatán Peninsula (Mexico), is recorded for the first time for Colombia. It is morphologically related to Agave fourcroydes Lem. and Agave pax Giraldo-Cañas, but clearly differs from it in various vegetative and reproductive characteristics, which are given. Thus, a total of ten species of Agave are currently known in South America, seven are native and three are naturalized. A key for the South American species is included.

First record and a new species of Megarthrus Curtis (Coleoptera, Staphylinidae, Proteininae) from the Colombian Central Andes

Zootaxa ◽  
2011 ◽  
Vol 2916 (1) ◽  
pp. 62
Author(s):  
MARGARITA M. LÓPEZ-GARCÍA ◽  
DIANA M. Méndez-Rojas ◽  
JOSÉ LUÍS NAVARRETE-HEREDIA
Keyword(s):  
New Species ◽  
South America ◽  
Central America ◽  
First Record ◽  
Central Andes ◽  
South American ◽  
The South ◽  
The World ◽  
Northern South America ◽  
A New Species

The genus Megarthrus Curtis 1829 with about 139 species described around the world, is the largest of the subfamily Proteininae (Coleoptera: Staphylinidae) (Cuccodoro 2011). Megarthrus is distributed worldwide (Cuccodoro 1999) but it is apparently more diverse in the Holartic region (Navarrete-Heredia et al. 2002). However, the South American fauna is underestimated because many of the collected specimens are not yet described (Cuccodoro 2011). Newton et al. (2005) cited the genus as probable in Colombia because some species are known from Central America and northern South America, but until now, no species has been published from Colombia. Therefore, M. andinus sp. nov. represents the first record of the genus and subfamily for this country.

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.  

scholarly journals Studies on neotropical Phasmatodea XVII: Revision of Phantasca Redtenbacher, 1906,, with the descriptions of six new species (Phasmatodea: Diapheromeridae: Diapheromerinae)

2018 ◽  
Author(s):  
Frank Hennemann ◽  
Oskar Conle ◽  
Yannick Bellanger ◽  
Philippe Lelong ◽  
Toni Jourdan
Keyword(s):  
New Species ◽  
South America ◽  
Type Species ◽  
Species Level ◽  
South American ◽  
The South ◽  
Northern Half ◽  
First Time

The South American genus Phantasca Redtenbacher, 1906 (Phasmatodea: Diapheromeridae: Diapheromaerinae) is re-diagnosed and revised at the species level. The precedingly unknown eggs are described for the first time. The genus Pterolibethra Günther, 1940 (type species: P. heteronemia Günther, 1940) is re-synonymised, with Phantasca (syn. nov.) and consequently the two species originally contained, P. heteronemia Günther, 1940 and P. poeciloptera Günther, 1940, are transferred to Phantasca (comb. rev.). P. laeta Conle, Hennemann & Gutierréz, 2011 is not congeneric and is transferred to the genus Jeremiodes Hennemann & Conle, 2007 (Cladomorphinae: Cladomorphini; comb. nov.). Two species are removed from Bacteria Berthold, 1827 and transferred to Phantasca; these are B. quadrilobata Chopard, 1911 and B. montana Redtenbacher, 1906 (comb. nov.). Six new species are described: P. adiposa sp. nov., P. amabile sp. nov., P. femorata sp. nov., P. guianensis sp. nov., P. nigrolineata sp. nov. and P. ruboligata sp. nov. The male and egg of P. quadrilobata (Chopard, 1911) are described and illustrated for the first time. The genus now contains 13 species that are distributed throughout the northern half of South America. A key as well as detailed descriptions and illustrations are presented for all known species.

Toward an Updated Taxonomy of the South American Chenopodiaceae I: Subfamilies Betoideae, Camphorosmoideae, and Salsoloideae

2021 ◽  
Vol 106 ◽  
pp. 10-30
Author(s):  
Nicolás F. Brignone ◽  
Silvia S. Denham
Keyword(s):  
South America ◽  
Taxonomic Revision ◽  
Second Step ◽  
Herbarium Specimens ◽  
South American ◽  
Field Observations ◽  
The South ◽  
Type Specimens ◽  
Salsola Kali ◽  
New Synonyms

This paper is the first in a projected series of publications treating the Chenopodiaceae in South America. We present here a taxonomic revision of subfamilies Betoideae, Camphorosmoideae, and Salsoloideae in South America, where all representatives of these subfamilies are introduced. Our research is based on the study of herbarium material, type specimens, digital images, original publications, and field observations. The South American Chenopodiaceae flora includes only Beta vulgaris L. from Betoideae, Bassia hyssopifolia (Pall.) Kuntze, Bassia scoparia (L.) A. J. Scott, and Maireana brevifolia (R. Br.) P. G. Wilson from Camphorosmoideae, and Salsola kali L., Salsola tragus L., and Soda inermis Fourr. from Salsoloideae. Lectotypes for Echinopsilon reuterianus Boiss., Kochia alata Bates, K. parodii Aellen, K. parodii var. elongata Aellen, K. parodii var. densa Aellen, K. parodii var. glabrescens Aellen, and Suaeda sieversiana Pall. are designated here, as well as a second-step lectotype for K. brevifolia R. Br. The distribution of all species is updated based on the revision and proper identification of many herbarium specimens and field observations. The distribution of M. brevifolia in Chile is here expanded. New synonyms for Bassia scoparia are proposed. A preliminary key to the genera of Chenopodiaceae in South America is also presented.

The larva of the genus Paracordulia Martin, 1907 (Odonata: Corduliidae s.s.) and a generic key to the larvae of Corduliidae s.l. occuring in South America

Zootaxa ◽  
2012 ◽  
Vol 3412 (1) ◽  
pp. 62
Author(s):  
GÜNTHER FLECK ◽  
ULISSES G. NEISS
Keyword(s):  
South America ◽  
New World ◽  
South American ◽  
The South ◽  
Generic Level ◽  
First Time

The ultimate stadium of a larva of the genus Paracordulia Martin, 1907 is described and illustrated for the first time. Itrepresents the last New World corduliid larva unknown at the generic level. The reared female differs slightly from otherknown female specimens, and thus no species name can be assigned to it. A key to the South American genera of corduliid larvae is given.

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