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A new species of Oxalis from Santa Cruz, Argentina is described. The new species, Oxalis morronei, belongs to O. section Palmatifoliae because of its general morphology and distribution, but differs from the other specie...

The genus Rhabdotalebra Young is reviewed, including description of a new species, R. albinoi n. sp., from Buenos Aires province, Argentina. A detailed morphological description and illustrations of the new species are p...

We present a list of the type material of Heteroptera deposited in the entomological collection of the Museo de La Plata (Buenos Aires, Argentina) in the last six years and or, not included in previous catalogs. This cat...

In order to identify concordant distributions of endemic vascular plants in the Monte desert, we analyzed the distributional data of 180 species endemic to the Monte desert with the optimality criterion implemented in th...

Materias / palabras clave: Philosophy. Psychology. Religion: Philosophy (General); Philosophy. Psychology. Religion: Doctrinal Theology

Science carried out in South America has experienced a major rise in the levels of productivity and impact during the last decade. The continuity of this process depends upon strong policy decisions of personnel training...

The Paranapiacaba Mountains are a region of Brazil where the stonefly fauna is relatively well known. Despite this, there are still gaps in knowledge that need to be filled. In this study, through field sampling and mole...

Materias / palabras clave: Science: Biology (General); Science: Zoology; Science: Botany

Polyporus subpurpurascens is a rare Neotropical species characterized by deep purplish pilear surface and radially elongated pores. This study analyzed Neotropical specimens from Argentina, Bolivia and Brazil by applying...

In this study, we describe and illustrate Piriqueta crenata, a new species from the Chapada Diamantina region, Bahia,Brazil. It is similar to and was initially identified as P. flammea from which it can be distinguished ...

Currently, the genus Odontophrynus Reinhardt & Lütken comprises 11 species distributed in southern and eastern South America. Among them, O. americanus (Duméril & Bibron), O. lavillai Cei, O. cordobae Martino & Sinsch,...

SIGMODONTINAE, a diverse subfamily including 106 genera of American Rodents, is currently divided in eleven tribes that still need to be refined based on recently generated phylogenetic hypotheses. Several published name...

Subterranean tuco-tucos of the genus Ctenomys are caviomorph rodents comprising a complex of over 50 nominal species found in the southern half of South America. The validity of several nominal forms awaits a proper asse...

Two new species in the South American sun-spider family Mummuciidae are herein described. Gaucha ramirezi sp. nov. is known from the Chancaní Provincial Park and Forest Reserve, Córdoba province, Argentina, and further...

During the revision of Kaunia (in prep.), we detected names which required typification or whose current typification was incorrect. After the analysis of protologues and original material, we designated six lectotypes a...

Abstract When two non-relativistic particles interact resonantly in three dimensions, an infinite tower of three-body bound states emerges, exhibiting a discrete scale invariance. This universal phenomenon, known as the ...

Avaliaram-se o comprimento do infundíbulo, do magno, do istmo, do útero e da vagina e o número de pregas do magno e do istmo do oviduto de 20 marrecas Ana boschas na fase reprodutiva. O infundíbulo apresenta mucosa c...

ABSTRACTThe objective of this study was to investigate mRNA by real-time PCR and protein expression by immunofluorescence of the estradiol receptors (ER) in the pineal gland, hypothalamus, pituitary gland, and gonads of ...

Resumo Uma série de 89 espécies da floresta brasileira, nas quais as características da raiz e a condição da micorrliza V-A eram conhecidas, foram usadas para testar um aspecto da hipótese de raiz magnolióide de B...

O artigo traz um relato da pesquisa realizada em conjunto no Programa de Pós-Graduação em Comunicação da UFJF, em 2017 e 2018, que propôs, dentre outros objetivos, a recuperação da memória da revista Intervalo (...

ABSTRACT OBJECTIVE: To identify factors associated with the acceptability of Covid-19 self-testing among socioeconomically vulnerable populations. METHODS: Cross-sectional study using data from the "TQT Covid-19" proje...

ABSTRACT OBJECTIVE: To describe the prevalence of adoption of Covid-19 preventive behaviors and to evaluate associated factors among users of health units in Salvador and Rio de Janeiro. METHODS: Cross-sectional study ...

ABSTRACT OBJECTIVE: To analyze the monitoring of an intervention for expanding testing, isolation, quarantine, and telemonitoring of Covid-19 (TQT-Covid-Strategy) in an administrative health region of a municipality in ...

To evaluate biomass components of Massai grass under five doses of N (0, 150, 300, 450 and 600 mg N/dm³ soil) during three cycles of growth (establishment, regrowth 1 and regrowth 2) this study was carried out. The expe...