First record of Cithaeron reimoseri (Araneae: Cithaeronidae) from the New World and first record of the family from southern Brazil

The African spider Cithaeron reimoseri Platnick, 1991 is registered for the first time in the New World, based in two females collected at Porto Alegre, Rio Grande do Sul, Brazil. Until now C. reimoseri was known only by the holotype from Eritrea. The species C. praedonius O. P.-Cambridge, 1872 was, until now, the only known species of the family with worldwide distribution and is considered prone to introduction in anthropic environments. Cithaeronidae are considered lower gnaphosoids being identifiable by the depressed posterior median eyes and the pseudosegmented tarsi.

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Mecistogaster amalia (Burmeister) Odonata: Pseudostigmatidae: First Record from Rio Grande do Sul State, Brazil

EntomoBrasilis ◽

10.12741/ebrasilis.v4i2.130 ◽

2011 ◽

Vol 4 (2) ◽

pp. 78-79 ◽

Cited By ~ 1

Author(s):

Marina Schmidt Dalzochio ◽

Yuji Urakami ◽

Iberê Farina Machado

Keyword(s):

Rio De Janeiro ◽

New World ◽

Rio Grande ◽

First Record ◽

Sao Paulo ◽

São Paulo ◽

Southern Brazil ◽

Rio Grande Do Sul ◽

Misiones Province ◽

First Time

Mecistogaster is a New World genus of Pseudostigmatidae (Odonata) that is poorly studied due to its preference for flying in forest clearings and trails. In Brazil, only one endemic species, Mecistogaster amalia (Burmeister), is known. The distribution of M. amalia extends from Southest Brazil (Rio de Janeiro and São Paulo states) to Argentina. Herein, we report M. amalia for the first time in Rio Grande do Sul State, Southern Brazil. This record extends the species’ range ca. 630 km from the previous report at Paranaense Forest in Misiones province. Mecistogaster amalia (Burmeister) Odonata: Pseudostigmatidae: Primeiro Registro para o Estado do Rio Grande do Sul, Brasil Resumo. Mecistogaster é um gênero da Família Pseudostigmatidae, restrito ao Novo Mundo e pobremente estudado devido sua preferência por clareiras e trilhas dentro de matas. No Brasil, apenas uma espécie é conhecida, Mecistogaster amalia (Burmeister). A distribuição de M. amalia se estende do sudeste do Brasil (nos estados do Rio de Janeiro e São Paulo) até a Argentina. Aqui, reportamos pela primeira vez M. amalia para o estado do Rio Grande do Sul State, Sul do Brasil. O presente estudo amplia o registro de ocorrência da espécie em 630 km, a partir do registro anterior na Floresta Paranaense, na Província de Missiones, Argentina.

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First records of the invasive spider Badumna longinqua (L. Koch) (Desidae) in southern Brazil with notes on the habitats and the species’ dispersion

Check List ◽

10.15560/11.1.1533 ◽

2015 ◽

Vol 11 (1) ◽

pp. 1533 ◽

Cited By ~ 3

Author(s):

Miguel Simó ◽

Álvaro Laborda ◽

Martín Núñez ◽

Antonio D. Brescovit

Keyword(s):

Invasive Species ◽

Rio Grande ◽

Public Parks ◽

Southern Brazil ◽

Rio Grande Do Sul ◽

Urban Habitats ◽

The Family ◽

Two Cities ◽

National Highway ◽

First Time

The invasive species Badumna longinqua and the family Desidae are recorded for the first time for Brazil. The spiders were collected in urban habitats of two cities from the state of Rio Grande do Sul in southern Brazil. Specimens and their webs were found in public parks, window frames and in a cemetery. The absence of this species along a national highway route and its dispersion in Brazil are discussed.

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Pisces, Perciformes, Cichlidae, Laetacara dorsigera (Heckel, 1840): distribution extension and first record for Uruguay River basin, and state of Rio Grande do Sul, southern Brazil

Check List ◽

10.15560/6.1.116 ◽

2010 ◽

Vol 6 (1) ◽

pp. 116

Author(s):

Luis Esteban Krause Lanés ◽

Leonardo Maltchik ◽

Carlos Alberto S. de Lucena

Keyword(s):

River Basin ◽

Rio Grande ◽

First Record ◽

River Basins ◽

Southern Brazil ◽

Rio Grande Do Sul ◽

Paraguay River ◽

First Time ◽

Uruguay River

The present study records for the first time the small cichlidae fish Laetacara dorsigera (Heckel, 1840) at Uruguay River basin and state of Rio Grande do Sul, southern Brazil, previously known from Amazon, Paraná and Paraguay River basins. Although the ichthyofauna of Uruguay River basin is relatively well known, this record suggests that there are still unexplored environments, such as wetlands, where there may be species not yet reported, and found in other hydrographic systems.

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Odonata, Aeshnidae, Anax amazili (Burmeister, 1839): first record for southern Brazil [with erratum]

Check List ◽

10.15560/8.3.551 ◽

2012 ◽

Vol 8 (3) ◽

pp. 551 ◽

Cited By ~ 2

Author(s):

Marina Schmidt Dalzochio ◽

Cristina Stenert ◽

Leonardo Maltchik

Keyword(s):

South America ◽

Current Distribution ◽

French Guiana ◽

Rio Grande ◽

First Record ◽

Southern Brazil ◽

Rio Grande Do Sul ◽

Cosmopolitan Distribution ◽

The World ◽

First Time

The genus Anax comprises a group with cosmopolitan distribution and 27 species around the world. In Brazil, Anax is represented by three species: A. amazili, A. concolor and A. longipes. Anax amazili occurs, in South America, from French Guiana to Argentina, and in Brazil is distributed in the northeast and southeast of the country. We have reported A. amazili for the first time in southern Brazil, from the state of Rio Grande do Sul, extending its current distribution about 1000 km.

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Quadrigyrus torquatus cystacants Van Cleave, 1920 (Acanthocephala: Quadrigyridae) parasitizing species of Astyanax (Characiformes: Characidae) from southern Brazil

Biota Neotropica ◽

10.1590/1676-0611-bn-2018-0693 ◽

2019 ◽

Vol 19 (3) ◽

Author(s):

Moisés Gallas ◽

Laura R. P. Utz

Keyword(s):

Life Cycle ◽

South America ◽

Light Microscopy ◽

Rio Grande ◽

Feeding Habit ◽

Southern Brazil ◽

Rio Grande Do Sul ◽

Porto Alegre ◽

Parasite Life Cycle ◽

First Time

Abstract: The acanthocephalan species Quadrigyrus torquatus Van Cleave, 1920 has been found in different hosts from South America, but recent papers have not focused on its morphology traits. Different species of Astyanax Baird & Girard, 1854 were collected with seine nets between January 2017 and October 2017 in Pintada Island, Lake Guaíba, Porto Alegre city (30º17’11’’S and 51º18’01”W), Rio Grande do Sul State, Brazil. Acanthocephalans found in cysts were processed according to the techniques for the group. Specimens of Q. torquatus were identified based mainly in the morphology of proboscis hooks and trunk spines, and by the measurements made using light microscopy. Supplemental observations on the morphology of Q. torquatus were made for the first time considering the morphology and amount of hooks and spines. The amplitude of intensity of infections was 1 (A. aff. fasciatus) and 1‒3 (A. lacustris) helminths. This difference could be related to the number of hosts examined, the feeding habit of the hosts or related to aspects in the parasite life cycle. This paper is the first report of Q. torquatus in A. aff. fasciatus and A. lacustris from Lake Guaíba, extending the distribution to the southernmost state of Brazil, thus contributing to the knowledge of acanthocephalans in freshwater fishes from South America.

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Chromosome polymorphism and complements in populations of Girardia species (Platyhelminthes, Tricladida, Paludicola) from southern Brazil

Brazilian Journal of Biology ◽

10.1590/s1519-69842007000500021 ◽

2007 ◽

Vol 67 (4 suppl) ◽

pp. 951-955 ◽

Cited By ~ 4

Author(s):

E. Benya ◽

AM. Leal-Zanchet ◽

WH. Santos ◽

J. Hauser ◽

B. Erdtmann

Keyword(s):

Acrocentric Chromosome ◽

Rio Grande ◽

Chromosome Polymorphism ◽

Southern Brazil ◽

Rio Grande Do Sul ◽

Chromosomal Complement ◽

The Family ◽

Chromosomal Variability ◽

First Time

The karyotypes of four species of freshwater triclads of the genus Girardia (Platyhelminthes), i.e. G. schubarti, G. tigrina, G. anderlani, and G. biapertura, from populations of different localities of the Rio Grande do Sul State, in southern Brazil, were analyzed. The karyotype of G. biapertura is presented for the first time. Three basic complements of 4, 8, and 9 chromosomes were found. Diploids, triploids, or mixoploids (2n/3n) specimens were frequently detected in these populations. The basic chromosomal complement of n = 9 was verified in two different species (G. biapertura and G. anderlani), presenting a large acrocentric chromosome which is rare in the family Dugesiidae. An intra and interspecific chromosomal variability was also detected and its evolutionary implications are discussed.

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Occurrence of beetles (Insecta: Coleoptera) in mosquito ovitraps (Diptera: Culicidae, Culicinae) in an Atlantic Forest fragment

Revista Brasileira de Zoociências ◽

10.34019/2596-3325.2017.v18.24576 ◽

2017 ◽

Vol 18 (1) ◽

Author(s):

Emili Bortolon dos Santos ◽

Pedro Giovâni da Silva ◽

Mario Arthur Favretto ◽

Gerson Azulim Müller

Keyword(s):

Atlantic Forest ◽

Rio Grande ◽

First Record ◽

The State ◽

Southern Brazil ◽

Rio Grande Do Sul ◽

Forest Fragment ◽

The Family

Ovitraps are generally used to collect immatures of Culicinae (Diptera: Culicidae). This study reports eight species of beetles found in ovitraps placed in an Atlantic Forest fragment in the state of Rio Grande do Sul, Southern Brazil. Seven species were classified in the family Scarabaeidae (subfamily Scarabaeinae), and one species in the family Hybosoridae (subfamily Hybosorinae). The first record of Canthon angularis Harold, 1868 in Rio Grande do Sul state is also documented.

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Fritziana aff. fissilis (Miranda-Ribeiro, 1920) (Anura, Hemiphractidae): the first hemiphractid for the state of Rio Grande do Sul, southern Brazil

Check List ◽

10.15560/11.2.1594 ◽

2015 ◽

Vol 11 (2) ◽

pp. 1594 ◽

Cited By ~ 5

Author(s):

Ismael Franz ◽

Mateus Henrique Mello

Keyword(s):

New Records ◽

Rio Grande ◽

The State ◽

Southern Brazil ◽

Rio Grande Do Sul ◽

The Family ◽

First Occurrence ◽

First Time

The first occurrence of Fritziana aff. fissilis (Miranda-Ribeiro, 1920) in the state of Rio Grande do Sul, southern Brazil, is reported. The records were obtained near the sources of the Rio dos Sinos, municipality of Caraá, and extend the range of the species 140 km south from where it was previously known. The new records also represent the first time a species of the family Hemiphractidae is recorded in the state.

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Eimeria spp. infection in lambs from southern Brazil

Pesquisa Veterinária Brasileira ◽

10.1590/1678-5150-pvb-6745 ◽

2020 ◽

Vol 40 (11) ◽

pp. 871-874

Author(s):

Natália S. Martins ◽

Sara P. da Motta ◽

Carolina C. Santos ◽

Andrios S. Moreira ◽

Nara A.R. Farias ◽

...

Keyword(s):

High Frequency ◽

Eimeria Species ◽

Rio Grande ◽

Wide Distribution ◽

Southern Brazil ◽

Rio Grande Do Sul ◽

Sheep Industry ◽

Eimeria Spp ◽

Potential Damage ◽

First Time

ABSTRACT: Eimeria infections are common in the sheep industry worldwide. Lambs are more susceptible to coccidiosis, especially in stressful conditions, being infected by different species of the parasite. Eimeria crandallis and Eimeria ovinoidalis are considered the most pathogenic, causing reduced growth, dehydration, anorexia, and death. In this study, the frequency of Eimeria species was evaluated in lambs from the southern region of the Rio Grande do Sul state, Brazil. Fecal samples from 248 lambs, from 19 farms, were tested for the presence of oocysts. The positive samples were re-examined and the sporulated oocysts analyzed morphometrically to identify the presence of Eimeria species. In 100% of the evaluated farms, there were animals positive for the protozoan. The frequency of Eimeria species was: E. ovinoidalis (94.74%), E. crandallis (89.47%), E. granulosa (78.95%), E. parva (68.42%), E. ahsata (63.13%), E. punctata (42.11%), E. bakuensis (36.84%), E. faurei (10.53%), and E. pallida (5.26%). Mixed infection was found in 94.74% of the samples. This research describes, for the first time, the occurrence of E. crandallis and E. ovinoidalis infecting lambs in the study area. The wide distribution of this protozoan and the high frequency of pathogenic species show the importance and potential damage of sheep coccidiosis in herds from Rio Grande do Sul.

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Rediscovery of the holotype of Ditaxodon taeniatus (Peters in Hensel, 1868) (Serpentes: Colubridae) and invalidation of the neotype designation

Zootaxa ◽

10.11646/zootaxa.1764.1.6 ◽

2008 ◽

Vol 1764 (1) ◽

pp. 66 ◽

Cited By ~ 1

Author(s):

RENATO S. BÉRNILS ◽

CHRISTOPH KUCHARZEWSKI ◽

JULIO CESAR DE MOURA-LEITE ◽

AXEL KWET

Keyword(s):

New Genus ◽

Rio Grande ◽

Zoological Nomenclature ◽

International Code ◽

Single Specimen ◽

Southern Brazil ◽

Rio Grande Do Sul ◽

Porto Alegre

Ditaxodon taeniatus is a striped, racer-like colubrid snake inhabiting grassland savannas in southern Brazil. This species was described as Philodryas taeniatus by the then curator of the Museum für Naturkunde der Humboldt-Universität zu Berlin (formerly Zoologisches Museum Berlin, ZMB), Wilhelm Peters, from a single specimen collected by Reinhold Hensel in Porto Alegre, Rio Grande do Sul. Peters’ description was published in a paper by Hensel (1868: 331) and, according to the International Code of Zoological Nomenclature (ICZN, 1999: Article 50.1, Recommendation 51E), the correct citation is Ditaxodon taeniatus (Peters in Hensel, 1868). Later, George A. Boulenger (1896: 124) transferred Philodryas taeniatus to the genus Conophis, and Alphonse R. Hoge (1958: 54) created for it the new genus Ditaxodon, which remains monotypic today.

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