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Characterization of artificial larval habitats of Anopheles darlingi (Diptera: Culicidae) in the Brazilian Central Amazon Rev. Bras. entomol.
Arcos,Adriano Nobre; Ferreira,Francisco Augusto da Silva; Cunha,Hillândia Brandão da; Tadei,Wanderli Pedro.
ABSTRACT Mosquitoes belonging to the Anopheles genus are of great relevance in the epidemiology and transmission of malaria, with their larval phase developing in clean waters in the presence of organic matter. However, the human presence in the Amazon has increasingly influenced the emergence of new breeding sites and larval habitats, such as clay pits, fish ponds and dams, among others. The objective of the study was to characterize mosquito larval habitats using the biotic and abiotic parameters in the metropolitan area of Manaus. We collected in 23 artificial larval habitats in Manaus, classified in dams, fish ponds and clay pits. Water samples, Anopheles larvae, aquatic macrophytes and limnological parameters were collected from each artificial larval...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Manaus; Mosquito; Malaria vector; Water quality; Anopheles spp..
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262018000400267
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Fitness cost in field Anopheles labranchiae populations associated with resistance to the insecticide deltamethrin Rev. Bras. entomol.
Tabbabi,Ahmed; Daaboub,Jabeur.
Abstract We evaluated in the present study the effect of deltamethrin resistance on the fitness cost of the filed populations of Anopheles labranchiae. A susceptible population was used as reference to do different comparisons. We selected the most resistant larvae population collected from northern Tunisia. Eggs were used for study of life history traits including developmental time, larvae mortality, fertility, hatchability and adult sex-ratio. Our results showed that deltamethrin resistance affected negatively (p < 0.05) the developmental time with the median range of 70 h, mortality with the rate of 7 folds in resistant population and hatchability which are lower than in susceptible population. Whereas, no significant differences were detected in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Deltamethrin; Insecticide resistance; Fitness cost; Anopheles labranchiae; Malaria vector; Tunisia.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262018000200107
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Structure of Anopheles (Diptera: Culicidae) population in areas with different degrees of human settlement: Cantá - Roraima - Brazil Acta Amazonica
Gomes,Elainne Christine de Souza; Albuquerque,Cleide Maria Ribeiro de; Souza,José Roberto Botelho de; Arruda,Mércia Eliane; Confalonieri,Ulisses Eugênio Cavalcanti.
Malaria has still been one of the most important endemic diseases in the Amazonian region. This study presents the impact of human settlements on the structure of Anopheles population. Diversity, abundance, richness and distribution of the genus Anopheles were observed in two areas with different levels of human settlement in the Cantá city, Roraima State, Northern Brazil. The influence of the dry and rainy seasons on mosquito populations was also observed. Mosquito captures were performed between 6:00 and 10:00 pm during the dry (February and November) and rainy (May and August) seasons at four different sites of each area. Among the 11 species of Anopheles identified through the adults' characteristics, An. albitarsis s.l. (45.5%) and An. darlingi...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anophelines; Anthropized; Anopheles ecology; Climate variability; Malaria vector.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672008000200016
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