Culex
Mostrando 1-12 de 324 artigos, teses e dissertações.
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1. Gonotrophic discordance in Culex quinquefasciatus (Diptera: Culicidae) in the city of São Paulo, Brazil
Abstract INTRODUCTION: This study aimed to assess the occurrence of gonotrophic discordance in females of Culex quinquefasciatus in São Paulo, Brazil. METHODS: Resting females were collected monthly for 8 months. Females of Cx. quinquefasciatus were identified, and their midgut and ovaries were dissected. RESULTS: Two hundred females were dissected, out
Rev. Soc. Bras. Med. Trop.. Publicado em: 20/12/2019
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2. Larvicidal activity of essential oil from Vitex negundo and Vitex trifolia on dengue vector mosquito Aedes aegypti
Abstract INTRODUCTION: The ability of Vitex trifolia and Vitex negundo essential oils to kill Aedes aegypti and Culex quinquefasciatus larvae was evaluated. METHODS: The larvae were treated with their respective essential oils at 50-125 ppm concentration. RESULTS: LC50 and LC90 for V. trifolia against Ae. aegypti and C. quinquefasciatus, and those for V.
Rev. Soc. Bras. Med. Trop.. Publicado em: 29/07/2019
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3. A populational-based birth cohort study in a low-income urban area in Rio de Janeiro, Brazil: implementation and description of the characteristics of the study
Resumo: Estudos de coorte com um componente de vigilância epidemiológica podem contribuir para nosso conhecimento dos aspectos clínicos e dos padrões de transmissão de arboviroses. Este artigo descreve a implementação de um estudo de coorte de nascimento de base populacional que incluiu um componente de vigilância entomológica e desafios relacionado
Cad. Saúde Pública. Publicado em: 23/05/2019
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4. Assessment of the predatory capacity on mosquito larvae of Jenynsia multidentata (Anablepidae) in presence of vegetation under laboratory conditions
ABSTRACT Larvivorous fish have been studied as potential biocontrol agents of mosquito larvae and pupae through their trophic interactions. The use of native fish for mosquito control may have benefits for both aquatic biodiversity and human health. Evaluating the effect of vegetation on the predatory efficacy is fundamental to determine if this species ca
Iheringia, Sér. Zool.. Publicado em: 28/03/2019
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5. Entomological and virological surveillance for dengue virus in churches in Merida, Mexico
ABSTRACT This study was designed to assess whether churches in endemic dengue districts in Merida, Mexico provide suitable breeding habitats for mosquitoes and are potential sites for dengue virus (DENV) transmission. Churches were inspected for immature and adult mosquitoes once every week from November 2015 to October 2016. A total of 10,997 immatures of f
Rev. Inst. Med. trop. S. Paulo. Publicado em: 14/02/2019
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6. Field evaluation of sticky BR-OVT traps to collect culicids eggs and adult mosquitoes inside houses
Abstract INTRODUCTION: Culex quinquefasciatus is a mosquito of importance to public health, as it represents a real and/or potential risk for the transmission of pathogens to humans, such as some arthropod-borne viruses and nematodes that cause filariasis. In Brazil, three municipalities in the Metropolitan Region of Recife (RMR) that are endemic for lympha
Rev. Soc. Bras. Med. Trop.. Publicado em: 2018-06
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7. Larvicidal effect of Clinopodium macrostemum essential oil extracted by microwave-assisted hydrodistillation against Culex quinquefasciatus (Diptera: Culicidae)
Abstract INTRODUCTION: In the present study, we determined the chemical composition of Clinopodium macrostemum essential oil obtained by microwave-assisted hydrodistillation and its effect on the growth and development of Culex quinquefasciatus mosquito larvae. METHODS: The essential oil compounds were identified by gas chromatography-mass spectrometry an
Rev. Soc. Bras. Med. Trop.. Publicado em: 2018-06
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8. Entomological investigation of Japanese encephalitis outbreak in Malkangiri district of Odisha state, India
BACKGROUND A severe outbreak of Japanese encephalitis (JE) and acute encephalitis syndrome (AES) with high case fatality was reported from Malkangiri district of Odisha state, India during September to November 2016 affecting 336 children with 103 deaths. OBJECTIVES The purpose of this study was to investigate the outbreak in the light of entomological det
Mem. Inst. Oswaldo Cruz. Publicado em: 14/05/2018
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9. Fauna de mosquitos (Diptera: Culicidae) na Floresta Nacional de Goytacazes e área adjacente, estado do Espírito Santo, sudeste do Brasil
Resumo Os mosquitos compreendem um grupo importante para a saúde pública, porque algumas espécies estão envolvidas na transmissão de várias doenças para os seres humanos. Estudos comparativos entre ambiente florestal e áreas perturbadas fornecem importantes informações epidemiológicas, dado o maior conhecimento da dinâmica populacional das espéc
Biota Neotrop.. Publicado em: 22/01/2018
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10. Do container size and predator presence affect Culex (Diptera: Culicidae) oviposition preferences?
ABSTRACT Organisms with complex life cycles typically do not exhibit parental care. Hence, the ability of adult females to choose quality oviposition sites is critical for offspring success. Gravid females of many insect taxa have the capability to detect environmental conditions in water-holding containers (e.g., resource level, presence of competitors or p
Rev. Bras. entomol.. Publicado em: 2018-01
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11. Hepatozoon caimani em Caiman crocodilus yacare (Crocodylia, Alligatoridae) do Norte do Pantanal, Brasil
Resumo Espécies do gênero Hepatozoon são os hemoparasitas intracelulares mais comumente encontrados em répteis. Hepatozoon caimani, cujos vetores são mosquitos do gênero Culex sp., têm sido detectados em uma alta prevalência entre jacarés no Brasil, por meio da análise de esfregaços sanguíneos. O presente estudo objetivou detectar e caracterizar
Rev. Bras. Parasitol. Vet.. Publicado em: 24/08/2017
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12. Composição e diversidade de mosquitos (Diptera: Culicidae) em parques urbanos localizados na região Sul do município de São Paulo, Brasil
Resumo Parques urbanos do município de São Paulo contêm remanescentes de Mata Atlântica. No sul da cidade há 30 parques municipais, sendo os parques Santo Dias e Shangrila alvos deste estudo. Este estudo teve a proposta de levantamento da fauna de culicídeos desses dois parques no sul da cidade de São Paulo e avaliar a presença de potenciais bioindic
Biota Neotrop.. Publicado em: 13/07/2017