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Table 3 Comparison of toxicity produced by deltamethrin applied on dorsal or ventral abdomen of N1 T. sordida (5-days old, F1 generation); p = 0.42, Mann-Whitney test

From: Standardization of laboratory bioassays for the study of Triatoma sordida susceptibility to pyrethroid insecticides

Populations

LD 50 (CI 95%)

Municipality (Locality)

Dorsal abdomen

Ventral abdomen

Uberaba – LRS

0.065 (0.05 – 0.08)

0.623 (0.36 – 0.69)

Monjolos (Cipó)

0.173 (0.13 – 0.22)

0.172 (0.14 – 0.19)

Buenópolis (Cercado)

0.237 (0.19 – 0.30)

0.226 (0.18 – 0.29)

Presidente Juscelino (Mandioca)

0.360 (0.29 – 0.43)

0.360 (0.30 – 0.39)

Coração de Jesus (Barriguda)

0.444 (0.38 – 0.52)

0.425 (0.32 – 0.45)

  1. Note: LD50: Lethal dose 50%; CI: Confidence Interval.