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Faunal composition and behavior of Anopheline mosquitoes in the Xavánte Indian reservation of Pimentel Barbosa, Central Brazil

1998; EDP Sciences; Volume: 5; Issue: 2 Linguagem: Inglês

10.1051/parasite/1998052197

1776-1042

R.V. Ianelli, Nildimar Alves Honório, Dinair Couto Lima, Ricardo Lourenço‐de‐Oliveira, Ricardo Ventura Santos, Carlos Ε. A. Coimbra,

Insect Utilization and Effects

Faunal composition and behavior of anopheline mosquitoes were studied in a Xavánte Indian reservation of Central Brazil. Altogether 558 anophelines were collected in three environments (intra, peri, and extra-domiciliary). Anopheles darlingi (30.9 %), An. triannulatus s.l. (24.6 56) and An. oswaldoi (19.7 %) were the most common species. Average capture rates were higher in the rainy season (8.03 per hour) than in the dry season (4.37 per hour). Anophelines exhibited exophilic behavior almost exclusively. It was observed that Xavante cultural practices facilitate outdoor exposure during peak hours of mosquito activities (e. g., coming to the creek early in the morning for bathing or to draw water, fishing, etc.). The results of this study raise the question of whether or not applying to the Xavante the more commonly recommended malaria control strategies (e. g., in-house spraying, screening windows, and impregnated bed nets) which aim at hampering human-mosquito contact inside human dwelings may be effective.