Use este identificador para citar ou linkar para este item: https://repositorio.inpa.gov.br/handle/1/23309
Título: Diversity of biting midges Culicoides (Diptera: Ceratopogonidae), potential vectors of disease, in different environments in an Amazonian rural settlement, Brazil
Autor: Farias, Emanuelle de Sousa
Almeida, Jéssica Feijó
Pereira-Silva, Jordam William
Coelho, Luiz Souza de
Ríos-Velásquez, Cláudia María
Pessoa, Felipe Arley Costa
Palavras-chave: Animal
Biodiversity
Brazil
Ceratopogonidae
Classification
Female
Insect Vector
Male
Population Density
Rural Population
Season
Animals
Biodiversity
Brazil
Ceratopogonidae
Female
Insect Vectors
Male
Population Density
Rural Population
Seasons
Data do documento: 2020
Revista: Revista da Sociedade Brasileira de Medicina Tropical
É parte de: Volume 53
Abstract: The Culicoides transmit a variety of pathogens. Our aim was to survey the Culicoides species occurring in an Amazonian rural settlement, comparing abundance, richness, and diversity in different environments. METHODS: Culicoides were captured using CDC light traps. The Shannon-Wiener (H') and Rényi indices were used to compare species diversity and evenness between environments, the equitability (J') index was used to calculate the uniformity of distribution among species, and similarity was estimated using the Jaccard similarity index. A permutational multivariate analysis of variance was applied to assess the influence of environment on species composition. A non-metric dimensional scale was used to represent the diversity profiles of each environment in a multidimensional space. RESULTS: 6.078 Culicoides were captured, representing 84 species (45 valid species/39 morphotypes). H' values showed the following gradient: forest > capoeira > peridomicile > forest edge. The equitability J' was greater in capoeira and forests compared to peridomiciles and the forest edge. The population compositions of each environment differed statistically, but rarefaction estimates indicate that environments of the same type possessed similar levels of richness. Species of medical and veterinary importance were found primarily in peridomiciles: C. paraensis, vector of Oropouche virus; C. insignis and C. pusillus, vectors of Bluetongue virus; C. filariferus, C. flavivenula, C. foxi, and C. ignacioi, found carrying Leishmania DNA. CONCLUSIONS: This study indicates that diversity was higher in natural environments than in anthropized environments, while abundance and richness were highest in the most anthropized environment. These findings suggest that strictly wild Culicoides can adapt to anthropized environments.
DOI: 10.1590/0037-8682-0067-2020
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