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1 June 2011 Ecological Aspects of Mosquitoes (Diptera: Culicidae) in an Atlantic Forest Area on the North Coast of Rio Grande do Sul State, Brazil
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Abstract

Mosquito diversity was determined in an area located on the southern limit of the Atlantic Forest on the north coast of Rio Grande of Sul State. Our major objective was to verify the composition, diversity, and temporal distribution of the mosquito fauna, and the influence of temperature and rainfall. Samplings were performed monthly between December, 2006 and December, 2008, in three biotopes: forest, urban area, and transition area, using CDC light traps and a Nasci vacuum. A total of 2,376 specimens was collected, from which 1,766 (74.32%) were identified as 55 different species belonging to ten genera. Culex lygrus, Aedes serratus, and Aedes nubilus were dominant (eudominant) and constant throughout samplings. The forest environment presented the highest species dominance (Ds=0.20), while the transition area showed the highest values of diversity (H'=2.55) and evenness (J'=0.85). These two environments were the most similar, according to the Morisita-Horn Index (IM-H=0.35). Bootstrap estimates showed that 87.3% of the species occurring in the region were detected. The seasonal pattern showed a greater abundance of mosquitoes between May and October, indicating the period to intensify entomological surveillance in that area.

Jáder da C. Cardoso, Marcia Bicudo de Paula, Aristides Fernandes, Edmilson dos Santos, Marco Antônio Barreto de Almeida, Daltro Fernandes da Fonseca, and Maria Anice Mureb Sallum "Ecological Aspects of Mosquitoes (Diptera: Culicidae) in an Atlantic Forest Area on the North Coast of Rio Grande do Sul State, Brazil," Journal of Vector Ecology 36(1), 175-186, (1 June 2011). https://doi.org/10.1111/j.1948-7134.2011.00155.x
Received: 27 August 2010; Accepted: 1 February 2011; Published: 1 June 2011
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