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Distribution of Anophelinae (Diptera: Culicidae) and challenges for malaria elimination in Brazil
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Sallum, Maria Anice Mureb

; de Azevedo, Thiago Salomão

; Conn, Jan Evelyn Lourenço-de-Oliveira, Ricardo

Memórias do Instituto Oswaldo Cruz

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2025, Volume 120 elocation e240247

Resumo: En | Texto: En | PDF: En

In 1909, Arthur Neiva published an article titled “Contribuição para os estudos dos dipteros. Observação sobre a biolojia e sistematica das anofelinas brasileiras e suas relações com o impaludismo”, highlighting the biology, ecology, and distribution of Anophelinae mosquitoes and the need for more taxonomic studies in Brazil. This came 11 years after Ronald Ross and Grassi demonstrated mosquito roles in transmitting Plasmodium to birds and humans. Despite considerable advances in the understanding of Anophelinae species, knowledge remains insufficient given the complexity of Brazil’s ecosystems, the intensified anthropogenic environmental changes since the mid-20th century, and the persistent public health challenges posed by malaria. This perspective article presents the distribution of Plasmodium vectors and potential vector species in Brazil using climate variables and a maximum entropy model. Geographical distribution maps of Anophelinae species, including putative species, are provided. The article also discusses the current knowledge of vector species distribution in relation to Brazil’s malaria elimination plan, along with the ecological and anthropogenic factors influencing vector distribution.

https://doi.org/10.1590/0074-02760240247

Bacterial community associated with Culex quinquefasciatus Say, 1823 (Diptera: Culicidae) from an urban area in the Amazon, Brazil
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Oliveira, Tatiane Marques Porangaba de

; Silva, Herculano da

; Sallum, Maria Anice Mureb

Revista Brasileira de Entomologia

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2024, Volume 68 Nº 1 elocation e20230079

Resumo: En | Texto: En | PDF: En

ABSTRACT The emergence of insecticide resistance in different mosquito populations underscores the pressing need for alternative approaches to control vector-borne diseases. Among several technological strategies, the employment of bacterial symbionts, such as the Wolbachia pipientis strains wMel and wAlbB to inhibit the ability of Aedes aegypti (Linnaeus, 1762) to transmit dengue and Zika viruses in endemic regions worldwide is promising. This investigation examines both the bacterial diversity associated with Culex quinquefasciatus and the genetic diversity of Wolbachia in females collected in Coari, Amazonas State, Brazil. Both 16S rRNA and Wolbachia surface protein (wsp) gene sequences were generated and examined. Proteobacteria was the dominant phylum. Wolbachia was the predominant genus, followed by Providencia, unclassified Erwiniaceae, and Acinetobacter. The presence of Delftia in Cx. quinquefasciatus need further investigations to identify the strains and if any of them can inhibit the transmission of arboviruses by this mosquito. Wolbachia 16S rRNA sequences were detected in all samples analyzed. The wsp sequences from Coari specimens were identified as Wolbachia wPip strain of the supergroup B. These sequences are identical and share 100% similarity with those of other Cx. quinquefasciatus populations from Brazil. Our findings suggest the hypothesis of previous studies that the Wolbachia invasion in Cx. quinquefasciatus was recent.

https://doi.org/10.1590/1806-9665-rbent-2023-0079

The SISBIOTA-Diptera Brazilian Network: A long-term survey of Diptera from unexplored Brazilian Western Arc of Amazon, Cerrado, and Pantanal
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Lamas, Carlos José Einicker

; Fachin, Diego Aguilar

; Falaschi, Rafaela Lopes

; Alcantara, Daniel Máximo Correa de

; Ale-Rocha, Rosaly

; Amorim, Dalton de Souza

; Araújo, Maíra Xavier

; Ascendino, Sharlene

; Baldassio, Letícia

; Bellodi, Carolina Ferraz

; Bravo, Freddy

; Calhau, Julia

; Capellari, Renato Soares

; Carmo-Neto, Antonio Marcelino do

; Cegolin, Bianca Melo

; Couri, Márcia Souto

; Carvalho, Claudio José Barros de

; Dios, Rodrigo de Vilhena Perez

; Falcon, Aida Vanessa Gomez

; Fusari, Livia Maria

; Garcia, Carolina de Almeida

; Gil-Azevedo, Leonardo Henrique

; Gomes, Marina Morim

; Graciolli, Gustavo

; Gudin, Filipe Macedo

; Henriques, Augusto Loureiro

; Krolow, Tiago Kütter

; Mendes, Luanna Layla

; Limeira-de-Oliveira, Francisco

; Maia, Valéria Cid

; Marinoni, Luciane

; Mello, Ramon Luciano

; Mello-Patiu, Cátia Antunes de

; Morales, Mírian Nunes

; Oliveira, Sarah Siqueira

; Patiu, Claudemir

; Proença, Barbara

; Pujol-Luz, Cristiane Vieira de Assis Pujol-Luz, José Roberto Rafael, José Albertino Riccardi, Paula Raile Rodrigues, João Paulo Vinicios Roque, Fabio de Oliveira Sallum, Maria Anice Mureb Santis, Marcelo Domingos de Santos, Charles Morphy Dias dos Santos, Josenilson Rodrigues dos Savaris, Marcoandre Shimabukuro, Paloma Helena Fernandes Silva, Vera Cristina Schelesky-Prado, Daniel de Castro Silva-Neto, Alberto Moreira da Camargo, Alexssandro Sousa, Viviane Rodrigues de Urso-Guimarães, Maria Virginia Wiedenbrug, Sofia Yamaguchi, Carolina Nihei, Silvio Shigueo

Revista Brasileira de Entomologia

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2023, Volume 67 Nº 4 elocation e20230051

Resumo: En | Texto: En | PDF: En

ABSTRACT The SISBIOTA-BRASIL was a three-year multimillion-dollar research program of the Brazilian government to document plants and animals in endangered/understudied areas and biomes in Brazil. Distributional patterns and the historical events that generated them are extensively unknown regarding Brazilian fauna and flora. This deficiency hinders the development of conservation policies and the understanding of evolutionary processes. Conservation decisions depend on precise knowledge of the taxonomy and geographic distribution of species. Given such a premise, we proposed to research the diversity of Diptera of the Brazilian western arc of Amazon, Cerrado, and Pantanal in the states of Mato Grosso, Mato Grosso do Sul, and Rondônia. Three important biomes of the South American continent characterize these Brazilian states: Amazon forest, Cerrado (Brazilian Savannah), and Pantanal. Besides their ecological relevance, these biomes historically lack intensive entomological surveys. Therefore, they are much underrepresented in the Brazilian natural history collections and in the scientific literature, which is further aggravated by the fact that these areas are being exponentially and rapidly converted to commercial lands. Our project involved over 90 collaborators from 24 different Brazilian institutions and one from Colombia among researchers, postdocs, graduate and undergraduate students, and technicians. We processed and analyzed nearly 300,000 specimens from ~60 families of Diptera collected with a large variety of methods in the sampled areas. Here, we provide a detailed overview of the genera and species diversity of 41 families treated. Our results point to a total of 2,130 species and 514 genera compiled and identified for the three states altogether, with an increase of 41% and 29% in the numbers of species and genera known for the three states combined, respectively. Overall, the 10 most species-rich families were Tachinidae, Cecidomyiidae, Tabanidae, Psychodidae, Sarcophagidae, Stratiomyidae, Bombyliidae, Syrphidae, Tephritidae, and Asilidae. The 10 most diverse in the number of genera were Tachinidae, Stratiomyidae, Asilidae, Mycetophilidae, Syrphidae, Tabanidae, Muscidae, Dolichopodidae, Sarcophagidae, and Chloropidae. So far, 111 scientific papers were published regarding taxonomic, phylogenetic, and biogeographical aspects of the studied families, with the description of 101 new species and three new genera. We expect that additional publications will result from this investigation because several specimens are now curated and being researched by specialists.

https://doi.org/10.1590/1806-9665-rbent-2023-0051

Entomological Reference Collection: 85 years of contributions to public health
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Dolci, Mariana de Carvalho

; Spina, Fabrício Auad

; Sallum, Maria Anice Mureb

Revista de Saúde Pública

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2023, Volume 57 elocation 57

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

ABSTRACT The Department of Hygiene of the Faculty of Medicine of São Paulo (FMUSP), organized with the support of the Rockefeller Foundation, became the Institute of Hygiene, with the inaugural class taught by Samuel Darling in 1918. The history of Public Health Entomology is mixed with that of the Institute itself, which became the Faculty of Hygiene and Public Health in 1945. Still in the 1930s, Paulo César de Azevedo Antunes and John Lane organized Public Health Entomology within the Medical Parasitology area of the then Institute of Hygiene. During this period, the entomology laboratory came to be recognized for its research in the systematics of hematophagous insects, as well as in the ecology, biology and behavior of vectors. The Entomological Reference Collection (CER) originated naturally from the research of Paulo César Antunes and John Lane and is a national and international heritage covering primary and secondary types of insect species that are of interest to public health. Over the years, it has been consolidated with the efforts of Augusto Ayroza Galvão, Renato Corrêa, José Coutinho, Nelson Cerqueira, Ernesto Rabello, Oswaldo Forattini and others. In its over eighty years of activities, CER has enabled the training of several scientists able to act in programs of surveillance and control of endemic diseases associated with insect vectors throughout Latin America, in addition to training taxonomists focused on insects of interest in Public Health. Researchers from other Brazilian institutes and abroad joined the entomology laboratory because of its importance and the research developed in it. The growing scientific production made it possible for entomological studies developed at the Faculty of Public Health (FSP) to gain international visibility, contributing to the development of disease prevention and epidemic control actions in the country.

RESUMO O Departamento de Higiene da Faculdade de Medicina de São Paulo (FMUSP), organizado com o apoio da Fundação Rockefeller, tornou-se o Instituto de Higiene, tendo a aula inaugural ministrada por Samuel Darling em 1918. A história da Entomologia de Saúde Pública confunde-se com a do próprio Instituto, que passou a ser a Faculdade de Higiene e Saúde Pública em 1945. Ainda na década de 1930, Paulo César de Azevedo Antunes e John Lane começam a organizar a Entomologia de Saúde Pública dentro da Parasitologia Médica, do então Instituto de Higiene. Durante esse período o laboratório de entomologia passou a ser reconhecido por suas pesquisas em sistemática de insetos hematófagos, bem como na ecologia, biologia e comportamento de vetores. A Coleção Entomológica de Referência (CER) originou-se naturalmente das pesquisas de Paulo César Antunes e John Lane e é um patrimônio nacional e internacional abrangendo tipos primários e secundários de espécies de insetos que apresentam interesse à saúde pública. No decorrer dos anos, consolidou-se com os esforços de Augusto Ayroza Galvão, Renato Corrêa, José Coutinho, Nelson Cerqueira, Ernesto Rabello, Oswaldo Forattini e outros. Em seus mais de oitenta anos de atividades, a CER possibilitou a formação de diversos cientistas aptos a atuar em programas de vigilância e controle de endemias associadas aos insetos vetores em toda a América Latina, além de formar taxonomistas voltados aos insetos de interesse em Saúde Pública. Pesquisadores de outros institutos brasileiros e do exterior juntaram-se ao laboratório de entomologia por conta de sua importância e das pesquisas nele desenvolvidas. A produção científica crescente possibilitou aos estudos entomológicos desenvolvidos na Faculdade de Saúde Pública (FSP) adquirirem uma visibilidade internacional, contribuindo para o desenvolvimento das ações de prevenções de doenças e controle de epidemias no país.

https://doi.org/10.11606/s1518-8787.2023057004963

Entomological Reference Collection: 85 years of contributions to public health
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Dolci, Mariana de Carvalho

; Spina, Fabrício Auad

; Sallum, Maria Anice Mureb

Revista de Saúde Pública

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2023, Volume 57 elocation 57

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

https://doi.org/10.11606/s1518-8787.2023057004963

Análise de redes sociais como estratégia de apoio à vigilância em saúde durante a Covid-19
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XAVIER, FERNANDO

; OLENSCKI, JOÃO RODRIGO W.

; ACOSTA, ANDRE LUIS

; SALLUM, MARIA ANICE MUREB

; SARAIVA, ANTONIO MAURO

Estudos Avançados

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Ago 2020, Volume 34 Nº 99 Páginas 261 - 282

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO O grande volume de dados gerados em redes sociais é usado por empresas para monitoramento das opiniões do público sobre seus produtos e serviços. Na área da Saúde, esses dados podem conter informações também aplicáveis na vigilância, como na avaliação do impacto de políticas públicas ou na identificação de fake news. Este trabalho apresenta resultados de estudos demonstrando como a análise de dados de redes sociais pode ser utilizada nas atividades de vigilância, tendo como estudo de caso a pandemia da Covid-19. Foi utilizada uma abordagem baseada em Ciência de Dados, com extração de informações através de algoritmos de aprendizado de máquina. Os resultados indicam que essa abordagem pode revelar importantes informações para as atividades de vigilância, trazendo uma visão em tempo real de aspectos relacionados à pandemia.

ABSTRACT The large volume of data generated on social networks is used by companies to monitor public opinion about their products and services. These data may contain useful information for health surveillance, such as in assessing the impact of public policies or identifying fake news. This work presents results of studies that demonstrate how analysis of data from social networks may be applied to surveillance activities, using the covid-19 pandemic as a case study. An approach based on data science was used, with information extracted through machine learning algorithms. Results indicate that this approach can reveal useful information for surveillance activities, providing a real-time view of aspects related to the pandemic.

https://doi.org/10.1590/s0103-4014.2020.3499.016 12214 downloads

Interfaces à transmissão e spillover do coronavírus entre florestas e cidades
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ACOSTA, ANDRE LUIS

; XAVIER, FERNANDO

; CHAVES, LEONARDO SUVEGES MOREIRA

; SABINO, ESTER CERDEIRA

; SARAIVA, ANTONIO MAURO

; SALLUM, MARIA ANICE MUREB

Estudos Avançados

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Ago 2020, Volume 34 Nº 99 Páginas 191 - 208

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO O atual formato de desenvolvimento humano gera severos impactos ambientais, os quais repercutem negativamente na saúde; dentre eles, a intensificação da transmissão de doenças infecciosas, epidemias e pandemias, como a Covid-19. A forma como lidamos com a biodiversidade e os ecossistemas, em conjunto com as mudanças climáticas, viabiliza interfaces e corredores por onde ocorrem diversificação, spillover e circulação de vírus. Por esses meios, o Sars-CoV-2 poderá invadir biomas brasileiros, transformando florestas como a Amazônia em imensos reservatórios, de onde o coronavírus poderá retornar ainda mais agressivo à saúde.

ABSTRACT The current path of human development generates deleterious environmental impacts, which have negative impact on health; among them, intensified transmission of infectious diseases, epidemics and pandemics, such as covid-19. The way we usually deal with biodiversity and ecosystems, combined with the effects of climate change, make for interfaces and pathways that favor diversification, spillover and the circulation of viruses. By these means, Sars-CoV-2 may invade Brazilian biomes, transforming, for instance, the Amazon rain forest into a huge reservoir from where coronavirus may return even more aggressive to health.

https://doi.org/10.1590/s0103-4014.2020.3499.012 7697 downloads

Anophelines species and the receptivity and vulnerability to malaria transmission in the Pantanal wetlands, Central Brazil
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Marinho-e-Silva, Mariana Sallum, Maria Anice Mureb Rosa-Freitas, Maria Goreti Lourenço-de-Oliveira, Ricardo Silva-do-Nascimento, Teresa Fernandes

Memórias do Instituto Oswaldo Cruz

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Fev 2018, Volume 113 Nº 2 Páginas 87 - 95

Resumo: En | Texto: En | PDF: En

BACKGROUND Studies on malaria vectors in the Pantanal biome, Central Brazil, were conducted more than half a century ago. OBJECTIVES To update anopheline records and assess receptivity and vulnerability to malaria transmission. METHODS Five-day anopheline collections were conducted bimonthly in Salobra, Mato Grosso do Sul state, for one year. Indoors, mosquitoes were collected from their resting places, while in open fields, they were captured using protected human-baited and horse-baited traps near the house and at the Miranda River margin, respectively. Hourly biting activity outdoors was also assessed. Secondary data were collected on the arrival of tourists, economic projects, and malaria cases. FINDINGS A total of 24,894 anophelines belonging to 13 species were caught. The main Brazilian malaria vector Anopheles darlingi was the predominant species, followed by An. triannulatus s.l. Hourly variation in anopheline biting showed three main peaks occurring at sunset, around midnight, and at sunrise, the first and last being the most prominent. The highest density of all species was recorded near the river margin and during the transition period between the rainy and early dry seasons. This coincides with the time of main influx of outsider workers and tourists, whose activities mostly occur in the open fields and frequently start before sunrise and last until sunset. Some of these individuals originate from neighbouring malaria-endemic countries and states, and are likely responsible for the recorded imported and introduced malaria cases. MAIN CONCLUSION Pantanal is a malaria-prone area in Brazil. Surveillance and anopheline control measures must be applied to avoid malaria re-emergence in the region.

https://doi.org/10.1590/0074-02760170175 1772 downloads

Nyssorhynchus dunhami: bionomics and natural infection by Plasmodium falciparum and P. vivax in the Peruvian Amazon
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Prussing, Catharine Bickersmith, Sara A Moreno, Marta Saavedra, Marlon P Alava, Freddy Sallum, Maria Anice Mureb Gamboa, Dionicia Vinetz, Joseph M Conn, Jan E

Memórias do Instituto Oswaldo Cruz

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2018, Volume 113 Nº 12 elocation e180380

Resumo: En | Texto: En | PDF: En

BACKGROUND Nyssorhynchus dunhami, a member of the Nuneztovari Complex, has been collected in Brazil, Colombia, and Peru and described as zoophilic. Although to date Ny. dunhami has not been documented to be naturally infected by Plasmodium, it is frequently misidentified as other Oswaldoi subgroup species that are local or regional malaria vectors. OBJECTIVES The current study seeks to verify the morphological identification of Nuneztovari Complex species collected in the peri-Iquitos region of Amazonian Peru, to determine their Plasmodium infection status, and to describe ecological characteristics of their larval habitats. METHODS We collected Ny. nuneztovari s.l. adults in 2011-2012, and Ny. nuneztovari s.l. larvae and adults in 2016-2017. When possible, samples were identified molecularly using cytochrome c oxidase subunit I (COI) barcode sequencing. Adult Ny. nuneztovari s.l. from 2011-2012 were tested for Plasmodium using real-time PCR. Environmental characteristics associated with Ny. nuneztovari s.l. larvae-positive water bodies were evaluated. FINDINGS We collected 590 Ny. nuneztovari s.l. adults and 116 larvae from eight villages in peri-Iquitos. Of these, 191 adults and 111 larvae were identified by COI sequencing; all were Ny. dunhami. Three Ny. dunhami were infected with P. falciparum, and one with P. vivax, all collected from one village on one night. Ny. dunhami larvae were collected from natural and artificial water bodies, and their presence was positively associated with other Anophelinae larvae and amphibians, and negatively associated with people living within 250m. MAIN CONCLUSIONS Of Nuneztovari Complex species, we identified only Ny. dunhami across multiple years in eight peri-Iquitos localities. This study is, to our knowledge, the first report of natural infection of molecularly identified Ny. dunhami with Plasmodium. We advocate the use of molecular identification methods in this region to monitor Ny. dunhami and other putative secondary malaria vectors to more precisely evaluate their importance in malaria transmission.

https://doi.org/10.1590/0074-02760180380 921 downloads

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Anopheles (Nyssorhynchus) striatus, a new species of the Strodei Subgroup (Diptera, Culicidae)
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Sant'Ana, Denise Cristina Sallum, Maria Anice Mureb

Revista Brasileira de Entomologia

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Abr 2017, Volume 61 Nº 2 Páginas 136 - 145

Resumo: En | Texto: En | PDF: En

ABSTRACT A new species of the genus Anopheles Meigen (Diptera: Culicidae), Anopheles (Nyssorhynchus) striatus n. sp., preliminary designated as Anopheles CP Form, from Brazil, is here validated and described using morphological characteristics of the egg, fourth-instar larva, pupa, female and male genitalia. The species is morphologically more similar to species of the Strodei Subgroup of Anopheles (Nyssorhynchus) than to any other species of the subgenus Nyssorhynchus Blanchard. However, adult female that can be misidentified with Anopheles (Nyssorhynchus) galvaoi Causey, Deane & Deane if the identification is mainly based on the ratio of dark and white scales of the hindtarsomere 2. In addition, the characterization of the new species includes aspects of its bionomics, and geographical distribution. The new species is known from Espírito Santo, Minas Gerais and Paraná states, in Brazil. Diagnostic characters for the identification of the species are provided.

https://doi.org/10.1016/j.rbe.2016.12.005 787 downloads

11.

Anopheles goeldii Rozeboom & Gabaldón (Diptera, Culicidae): a species of the Nuneztovari Complex of Anopheles Meigen
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Sant'Ana, Denise Cristina Bergo, Eduardo Sterlino Sallum, Maria Anice Mureb

Revista Brasileira de Entomologia

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Mar 2015, Volume 59 Nº 1 Páginas 68 - 76

Resumo: En | Texto: En | PDF: En

Anopheles (Nyssorhynchus) goeldiiRozeboom & Gabaldón, 1941, a species of the Nuneztovari Complex, was described based on morphological characteristics of the male, female, larva, pupa, and eggs. The type locality is Boa Vista (= Fordlândia), a district in the vicinity of Rio Tapajós, in the municipality of Aveiro, in the state of Pará, Brazil. Anopheles goeldii is redescribed based on morphological traits of the fourth instar larva, pupa, egg, and male and female. DNA sequences from the cytochrome oxidase subunit I (COI barcode region) of the mitochondrial genome were utilized for species characterization. Specimens of An. goeldii from the Pará, Amapá, and Amazonas states were employed to redescribe the species and to compare with morphologically similar taxa.

https://doi.org/10.1016/j.rbe.2015.02.010 1562 downloads

12.

Effectiveness of Mosquito Magnet® trap in rural areas in the southeastern tropical Atlantic Forest
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Sant’Ana, Denise Cristina Sá, Ivy Luizi Rodrigues de Sallum, Maria Anice Mureb

Memórias do Instituto Oswaldo Cruz

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Dez 2014, Volume 109 Nº 8 Páginas 1021 - 1029

Resumo: En | Texto: En | PDF: En

Traps are widely employed for sampling and monitoring mosquito populations for surveillance, ecological and fauna studies. Considering the importance of assessing other technologies for sampling mosquitoes, we addressed the effectiveness of Mosquito Magnet® Independence (MMI) in comparison with those of the CDC trap with CO2 and Lurex3® (CDC-A) and the CDC light trap (CDC-LT). Field collections were performed in a rural area within the Atlantic Forest biome, southeastern state of São Paulo, Brazil. The MMI sampled 53.84% of the total number of mosquitoes, the CDC-A (26.43%) and CDC-LT (19.73%). Results of the Pearson chi-squared test (χ2) showed a positive association between CDC-LT and species of Culicini and Uranotaeniini tribes. Additionally, our results suggested a positive association between CDC-A and representatives of the Culicini and Aedini tribes, whereas the MMI was positively associated with the Mansoniini and Sabethini as well as with Anophelinae species. The MMI sampled a greater proportion (78.27%) of individuals of Anopheles than either the CDC-LT (0.82%) or the CDC-A traps (20.91%). Results of the present study showed that MMI performed better than CDC-LT or CDC-A in sampling mosquitoes in large numbers, medically important species and assessing diversity parameters in rural southeastern Atlantic Forest.

https://doi.org/10.1590/0074-02761400297 1742 downloads

13.

Comparison of automatic traps to capture mosquitoes (Diptera: Culicidae) in rural areas in the tropical Atlantic rainforest
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Sa, Ivy Luizi Rodrigues de Sallum, Maria Anice Mureb

Memórias do Instituto Oswaldo Cruz

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Dez 2013, Volume 108 Nº 8 Páginas 1014 - 1020

Resumo: En | Texto: En | PDF: En

In several countries, surveillance of insect vectors is accomplished with automatic traps. This study addressed the performance of Mosquito Magnet® Independence (MMI) in comparison with those of CDC with CO2 and lactic acid (CDC-A) and CDC light trap (CDC-LT). The collection sites were in a rural region located in a fragment of secondary tropical Atlantic rainforest, southeastern Brazil. Limatus durhami and Limatus flavisetosus were the dominant species in the MMI, whereas Ochlerotatus scapularis was most abundant in CDC-A. Culex ribeirensis and Culex sacchettae were dominant species in the CDC-LT. Comparisons among traps were based on diversity indices. Results from the diversity analyses showed that the MMI captured a higher abundance of mosquitoes and that the species richness estimated with it was higher than with CDC-LT. Contrasting, difference between MMI and CDC-A was not statistically significant. Consequently, the latter trap seems to be both an alternative for the MMI and complementary to it for ecological studies and entomological surveillance.

https://doi.org/10.1590/0074-0276130474 2689 downloads

14.

Culicidae (Diptera: Culicomorpha) from the central Brazilian Amazon: Nhamundá and Abacaxis Rivers
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Hutchings, Rosa Sá Gomes Honegger, Roger William Hutchings Sallum, Maria Anice Mureb

Zoologia (Curitiba)

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Fev 2013, Volume 30 Nº 1 Páginas 1 - 14

Resumo: En | Texto: En | PDF: En

Mosquito fauna (Culicidae) from remote areas along the geographical limits of the State of Amazonas were assessed by employing CDC, Shannon, Malaise and Suspended traps, together with net sweeping and immature collections. Two hundred and six collections were performed in seven localities along the Nhamundá and Abacaxis Rivers, State of Amazonas, Brazil, during May and June 2008. The northernmost locality was 120 km from Nhamundá, whereas the southernmost locality was 150 km from the mouth of the Abacaxis River. The 5,290 mosquitoes collected are distributed in 16 genera, representing 109 different species, of which eight are new distributional records for the State of Amazonas. Furthermore, there are nine morphospecies which may represent undescribed new taxa, five of which are also new records for the State of Amazonas. Culex presented the highest number of species and the largest number of individuals. Anopheles, which represents 3% of the total sample, had the second highest number of species, followed by Wyeomyia. Psorophora and Aedes, represent the third and fourth largest number of individuals. The most abundant species was Cx. (Mel.) vaxus Dyar, 1920 followed by Cx. (Mel.) eknomios Forattini & Sallum, 1992, Cx. (Cux.) mollis Dyar & Knab, 1906, Cx. (Mel.) theobaldi Lutz, 1904, and Cx. (Cux.) declarator Dyar & Knab, 1906. The epidemiological and ecological implications of mosquito species found are discussed and are compared with other mosquito inventories from the Amazon region. The results presented represent the largest standardized inventory of mosquitoes of the Nhamundá and Abacaxis rivers, with the identification of 118 species level taxa distributed in seven localities, within four municipalities (Nhamundá, Maués, Borba, Nova Olinda do Norte), of which we have only few or no records in the published literature.

3686 downloads Citado 1 vez em SciELO

15.

COI barcode versus morphological identification of Culex ( Culex ) (Diptera: Culicidae) species: a case study using samples from Argentina and Brazil
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Laurito, Magdalena Oliveira, Tatiane MP de Almiron, Walter Ricardo Sallum, Maria Anice Mureb

Memórias do Instituto Oswaldo Cruz

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2013, Volume 108 Supl. 1 Páginas 110 - 122

Resumo: En | Texto: En | PDF: En

Sequences of the cytochrome c oxidase subunit I (COI) mitochondrial gene from adults of 22 Culex ( Culex ) species from Argentina and Brazil were employed to assess species identification and to test the usefulness of COI for barcoding using the best close match (BCM) algorithm. A pairwise Kimura two-parameter distance matrix including the mean intra and interspecific distances for 71 COI barcode sequences was constructed. Of the 12 COI lineages recovered in the Neighbour-joining topology, five confirmed recognised morphological species ( Cx. acharistus , Cx. chidesteri , Cx. dolosus , Cx. lygrus and Cx. saltanensis ) with intraspecific divergences lower than 1.75%. Cx. bilineatus is formally resurrected from the synonymy of Cx. dolosus . Cx. maxi , Cx. surinamensis and the Coronator group species included were clustered into an unresolved lineage. The intraspecific distance of Cx. pipiens (3%) was almost twice the interspecific between it and Cx. quinquefasciatus (1.6%). Regarding the BCM criteria, the COI barcode successfully identified 69% of all species. The rest of the sequences, approximately 10%, 18% and 3%, remained as ambiguously, mis and unidentified, respectively. The COI barcode does not contain enough information to distinguish Culex ( Cux. ) species.

https://doi.org/10.1590/0074-0276130457 10450 downloads Citado 3 vezes em SciELO

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