Research Article

Levels of Resistance to Pyrethroid among Distinct kdr Alleles in Aedes aegypti Laboratory Lines and Frequency of kdr Alleles in 27 Natural Populations from Rio de Janeiro, Brazil

Table 3

Comparisons among kdr genotypic frequencies of Aedes aegypti from distinct regions of Rio de Janeiro State.

Region pairχ2dfP-value

Baixada x Niterói10.0820.006
Baixada x Rio1.7920.409
Niterói x Rioinfinity2<0.001
Baixada x Paquetá13.3020.001
Niterói x Paquetá2.0920.351
Rio x Paquetáinfinity2<0.001

Baixada (Cabuçu, Cerâmica, and Moquetá ans Heliópolis), Niterói (Jurujuba, Itacoatiara, São Francisco, Fonseca, Ponta D’Areia, and Piratininga), Rio (Tubiacanga, Valqueire, Urca, Olaraia, Gamboa, Caju, Pavuna, Meier, Grajaú, Vaz Lobo, Jardim Guanabara, São Cristóvão, Humaitá, Rio das Pedras, and Taquara), and Paquetá (Paquetá island).