809 research outputs found
Taxonomic study and population variation of scale insects (Hemiptera: Coccidae and Diaspididae) and associated parasitoids (Hymenoptera: Chalcidoidea) in an olive grove at Rio Grande do Sul, Brazil
This study evaluated the population variation of Hemiberlesia lataniae (Signoret) (Hemiptera: Diaspididae) and associated parasitoids in Olea europaea L. (Oleaceae) groves located in the municipality of Barra do Ribeiro (30°30′54.95″S; 51°30′20.84″W), Rio Grande do Sul, Brazil. Eight samples were collected during the four seasons from November 2015 until October 2017; four branches with approximately 20 leaves were taken from12 olive trees (four each from Arbequina, Arbosana and Koroneiki varieties). The collected material was placed inplastic bags and taken to the laboratory for further study. Scale insects were slide-mounted and were identifiedaccording to morphological characteristics of the adult female. Parts of two branches and 40 leaves of each variety infested with scale insects were sectioned and placed inside glass tubes, labeled, capped with cotton, kept in the laboratory at room temperature and examined daily to verify the emergence of parasitoids. Parasitoid specimens studied were critical point dried from ethanol and point-mounted. Some specimens were slide mounted in Canada balsam for more detailed study. In all samples, the presence of H. lataniae, as well as six associated parasitoid species, were identified. Metaphycus flavus (Howard) is recorded for the first time as a parasitoid of H. lataniae. Two other scale insects were also identified: Pseudaulacaspis pentagona (Targioni Tozzetti) (Diaspididae) and Saissetia coffeae (Walker) (Coccidae), but the population data of these did not permit statistical analysis. A key to identify the scale insect species recorded on olive trees in Brazil, based on adult females, is provided.Fil: Wolff, Vera. Secretaria Estadual de Agricultura, Pecuária e Irrigação; BrasilFil: Efron, Caio. Secretaria Estadual de Agricultura, Pecuária e Irrigação; BrasilFil: Aquino, Daniel Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Estudios Parasitológicos y de Vectores. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Estudios Parasitológicos y de Vectores; ArgentinaFil: Tonietto, Adilson. Secretaria Estadual de Agricultura, Pecuária e Irrigação; Brasi
Phoenicococcus cribiformes sp. n. (Hemiptera, Phoenicococcidae) em Araucaria angustifolia (Bertol.) (Araucariaceae) no Rio Grande do Sul, Brasil
A cochonilha Phoenicococcus cribiformes é descrita do Rio Grande do Sul, Brasil. Além de Phoenicococcus marlatti Cockerell, 1899, é a segunda espécie conhecida da familia Phoenicococcidae. A fêmea adulta de P. cribiformes difere da P. marlatti por apresentar nos primeiros segmentos abdominais um par de placas cribiformes. Ela foi coletada sobre Araucaria angustifolia (Bertol.), o chamado Pinheiro-do-Paraná, dentro da casca do tronco. Foi observada uma associação com formigas do gênero Brachymyrmex.The scale insect Phoenicococcus cribiformes is described from Rio Grande do Sul, Brazil. Besides Phoenicococcus marlatti Cockerell, 1899 this is the second known species of the family Phoenicococcidae. The adult female of P. cribiformes differs from P. marlatti showing cribiform plates on the first abdominal segments. It was collected on Araucaria angustifolia (Bertol.), the so-called Parana pine, inside the bark of the tree trunk. An association with ants of Brachymyrmex sp. was observed
Taxonomic study and population variation of scale insects (Hemiptera: Coccidae and Diaspididae) and associated parasitoids (Hymenoptera: Chalcidoidea) in an olive grove at Rio Grande do Sul, Brazil
This study evaluated the population variation of Hemiberlesia lataniae (Signoret) (Hemiptera: Diaspididae) and associated parasitoids in Olea europaea L. (Oleaceae) groves located in the municipality of Barra do Ribeiro (30°30′54.95″S; 51°30′20.84″W), Rio Grande do Sul, Brazil. Eight samples were collected during the four seasons from November 2015 until October 2017; four branches with approximately 20 leaves were taken from12 olive trees (four each from Arbequina, Arbosana and Koroneiki varieties). The collected material was placed inplastic bags and taken to the laboratory for further study. Scale insects were slide-mounted and were identifiedaccording to morphological characteristics of the adult female. Parts of two branches and 40 leaves of each variety infested with scale insects were sectioned and placed inside glass tubes, labeled, capped with cotton, kept in the laboratory at room temperature and examined daily to verify the emergence of parasitoids. Parasitoid specimens studied were critical point dried from ethanol and point-mounted. Some specimens were slide mounted in Canada balsam for more detailed study. In all samples, the presence of H. lataniae, as well as six associated parasitoid species, were identified. Metaphycus flavus (Howard) is recorded for the first time as a parasitoid of H. lataniae. Two other scale insects were also identified: Pseudaulacaspis pentagona (Targioni Tozzetti) (Diaspididae) and Saissetia coffeae (Walker) (Coccidae), but the population data of these did not permit statistical analysis. A key to identify the scale insect species recorded on olive trees in Brazil, based on adult females, is provided.Centro de Estudios Parasitológicos y de Vectore
Catálogo de las especies de Diaspididae (Hemiptera: Coccoidea) nativas de Argentina, Brasil y Chile
Be listan un total de 96 especies de Diaspididae descritas de Brasil (73), Argentina (15) y Chile (8), present an dose su list a sinonimica, material Tipo, localizacion del mismo; huespedes conocidos y referencias bibliograficas mas importantes. Be agregan las especies que fueran descritas como origin arias para esta region y posteriomente sinonimizadas con otras especies cosmopolitas.Ninety-six species of armoured scale insects (Diaspididae) described from Brazil (73), Argentina (15) and Chile (8) are reviewed in terms of sinonimy, location of plant material, host plants, distribution in theses southern cone countries and bibliographical references
Gonadotropin Stimulation Reduces the Implantation and Live Birth Rate but Not the Miscarriage Rate of Embryos Transferred When Compared to Unstimulated In Vitro Fertilization.
Research suggests that gonadotropin stimulation in in vitro fertilization (IVF) treatment affects embryo quality and the endometrium that might influence embryo implantation, placentation and establishment of a viable pregnancy. We assessed the impact of gonadotropin stimulation on implantation, live birth and miscarriage rates per transferred embryo by comparing stimulated and unstimulated IVF treatment. In a cohort of 728 couples, 1310 IVF cycles with successful embryo transfer were analysed; 857 cycles were stimulated with gonadotropins > 75 IU/day (333 poor responder < 4 oocytes; 524 normal responders), and 453 were unstimulated. In total, 1913 fresh cleavage-stage embryos were transferred. Zygote but no embryo selection was performed, and supernumerous zygotes were vitrified. The implantation rate was defined as number of sonographically detected amniotic sacs; live birth rate as number of children born per transferred embryo. Modified mixed effect Poisson regression was used to account for the dependency of cycles and embryos within the same women and the same transfer cycle. Adjustments were made for maternal age, parity, primary or secondary infertility and indication for IVF. Per transferred embryo, implantation rates (rate ratio (RR) 1.37; 95% CI 1.04-1.81; p = 0.028; aRR 1.42; 95% CI 1.10-1.84; p = 0.008) and live birth rates (RR 1.33; 95% CI 0.95-1.86; p = 0.093; aRR 1.38; 95% CI 1.01-1.88; p = 0.044) were higher in NC-IVF compared to cIVF normal responders. Miscarriage did not differ (RR 0.99; 95% CI 0.59-1.65; p = 0.965; aRR 0.90; 95% CI 0.52-1.53 p = 0.698). Similar results were obtained in poor responders. The study suggests an impact of gonadotropin stimulation on the implantation potential of embryos
Violência consentida: mulheres em trabalho de parto e parto
O parto é um evento que integra a vivência reprodutiva da mulher e seu parceiro. Os profissionais de saúde são coadjuvantes dessa vivência, desempenhando um importante papel ao colocar seu conhecimento a serviço do bem-estar da mulher e do bebê, ajudando-os no processo de parturição e nascimento de forma saudável, humana e humanizadora. Este trabalho traz uma secção da tese de doutorado de uma das autoras, com o objetivo de denunciar como se dá a assistência em muitas das instituições de saúde, e que revela como várias das circunstâncias a que a mulher está sujeita no processo de parturição se caracterizam por ações de não cuidado e/ou como desumanização. Nesse recorte destacou-se os depoimentos de parturientes que evidenciaram o não cuidado e/ou a desumanização da assistência à mulher em trabalho de parto e parto. Os relatos evidenciaram um tipo especial de violência de gênero na área da saúde, uma violência consentida, conforme opinião das autoras, que ocorre com mulheres em trabalho de parto e parto.Delivery is an event that is part of the reproductive experience of a woman and her partner. Health professionals play an important role in that experience by putting their knowledge in the service of the woman's and her baby's welfare and helping them in the childbirth process in a healthy as well as humanized manner. The present study is a section of the doctoral dissertation of one of the authors and the objective was to reveal how assistance is provided at some health institutions. Several circumstances to which the woman in labor is subject are characterized by actions that were considered as non-care and/or dehumanization. This section of the dissertation shows a special type of gender violence in the health area, a consented violence, according to the authors' opinion, which occurs with women in labor and delivery
\u3ci\u3ePhoenicococcus cribiformes\u3c/i\u3e sp. n. (Hemiptera, Phoenicococcidae) em \u3ci\u3eAraucaria angustifolia\u3c/i\u3e (Bertol.) (Araucariaceae) no Rio Grande do Sul, Brasil
Resumo: A cochonilha Phoenicococcus cribiformes é descrita do Rio Grande do Sul, Brasil. Além de Phoenicococcus marlatti Cockerell, 1899, é a segunda espécie conhecida da familia Phoenicococcidae. A fêmea adulta de P. cribiformes difere da P. marlatti por apresentar nos primeiros segmentos abdominais um par de placas cribiformes. Ela foi coletada sobre Araucaria angustifolia (Bertol.), o chamado Pinheiro-do-Paraná, dentro da casca do tronco. Foi observada uma associação com formigas do gênero Brachymyrmex. Abstract: The scale insect Phoenicococcus cribiformes is described from Rio Grande do Sul, Brazil. Besides Phoenicococcus marlatti Cockerell, 1899 this is the second known species of the family Phoenicococcidae. The adult female of P. cribiformes differs from P. marlatti showing cribiform plates on the first abdominal segments. It was collected on Araucaria angustifolia (Bertol.), the so-called Parana pine, inside the bark of the tree trunk. An association with ants of Brachymyrmex sp. was observed
First association of scale insects (Hemiptera: Diaspididae) with \u3ci\u3eSalacia crassifolia\u3c/i\u3e (Mart. Ex Schult.) G. Don. (Celastraceae)
Salacia crassifolia (Mart. ex Schult.) G.Don., (Celastraceae) is a native species of shrub/tree highly appreciated in Brazil for its fruits and medicinal properties. Scale insects have never been reported associated with S. crassifolia; nevertheless, this paper describes the occurrence of two diaspidids on S. crassifolia leaves in Brazil. Three mature trees were inspected in February and March 2018 and scale insect samples were collected and preserved in 70% alcohol, then mounted and identified under an optical microscope. Two species of scale insects were found associated with this plant, Pseudoparlatoria argentata Hempel and Melanaspis aristotelesi Lepage and Giannotti, both from the family Diaspididae (Hemiptera). The three observed trees were infested by the diaspidids, with some leaves completely colonized by both species. This is the first reported occurrence of P. argentata and M. aristotelesi in plants of the Celastraceae family. It is also the first report of these insects in the Distrito Federal, Brazil, expanding the distribution and hosts in native plant species of the Cerrado biome
A construção da argumentação por meio do gênero textual resenha crítica no ensino médio integrado: um estudo dos materiais norteadores
Neste artigo analisamos o contexto de ensino do processo de construção da argumentação por meio do gênero textual resenha crítica. A problemática se estabelece em torno do seguinte questionamento: o livro didático e o Projeto Pedagógico do Curso - PPC intencionam ou não ao desenvolvimento da argumentação quando abordam o gênero textual resenha crítica? O nosso corpus de pesquisa está constituído por livros didáticos disponibilizados pelo FNDE – Fundo Nacional de Desenvolvimento da Educação por intermédio do PNLD - Programa Nacional do Livro e do Material Didático, utilizados por docentes de Língua Portuguesa no 2º e 3º anos do Curso de Informática integrado ao Ensino Médio do Instituto Federal de Ciência e Tecnologia do Tocantins – Campus Paraíso do Tocantins e o Projeto Pedagógico de Curso do curso em questão. A análise se deu mediante o emprego de uma metodologia de pesquisa documental descritiva e dedutiva. O artigo tem como fundamentação teórica e metodológica os aportes das Ciências da Linguagem oriundos dos estudos de Abreu-Tardelli (2004), Lousada e Machado (2004), Marcuschi (2010), Motta–Roth (2010), Bakhtin (2011), (2016), Koch (2018) e entre outros que subsidiam a pesquisa e a produção didático-pedagógica no domínio do ensino-aprendizagem da textualidade, isto é, a escrita argumentativa. Os documentos balizadores da educação brasileira, DCNEM - Diretrizes Curriculares Nacionais do Ensino Médio, BNCC – Base Nacional Comum Curricular e PCN – Parâmetros Curriculares Nacionais para o Ensino Médio também alicerçaram a pesquisa. Conclui-se com a pesquisa que há uma lacuna nos textos analisados no que se refere ao papel da linguagem escrita argumentativa.Palavras-chave: Gênero Textual. Linguagem e Argumentação. Livro Didático. Projeto Pedagógico de Curso. Resenha Crítica
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