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Table 2 Toxicological profile to deltamethrin in wild and domestic Triatoma infestans from Gran Chaco and the Inter-Andean Valleys of Bolivia

From: Susceptibility to deltamethrin of wild and domestic populations of Triatoma infestans of the Gran Chaco and the Inter-Andean Valleys of Bolivia

Population

Slope +/- SD

X 2 (df) P

LD50(95% CI)

RR50(95%)

DD% (N°)

CIPEIN (SRL)

240

2.83 +/-0.04

3.43 (4) 0.51

0.42 (0.35 - 0.49)

-

-

San Silvestre - S

300

1.97+/-0.05

0.51 (6) 0.00

0.26 (0.21 - 0.32)

0.62

100 (60)

Terra Plem - S

300

2.61 +/- 0.03

2.72 (6) 0.15

0.39 (0.33 - 0.46)

0.93

100 (60)

Tita Chaco - S

270

2.72+/-0.04

0.54 (5) 0.01

0.48 (0.41 - 0.58)

1.16

100 (60)

Mataral - S

390

4.36 +/- 0.02

1.75 (9) 5.16

1.78 (1.63 - 1.93)

4.24

96 (60)

Cotapachi - S

240

4.69+/-0.02

1.72 (6) 0.05

1.22 (1.11 -1.34)

2.90

100 (66)

Tamachindi - D

390

5.46 +/- 0.02

1.43 (9) 2.35

1.75 (1.62 - 1.87)

4.21

93(60)

Rancho Nuevo -D

390

4.43+/- 0.02

2.41 (10) 7.94

2.09 (1.93 - 2.27)

5.04

93 (45)

Mataral - D

480

2.92+/- 0.30

1.84 (2) 0.00

3.52 (3.15 - 4.02)

8.49

62 (60)

Villa Montes - D

360

2.25 +/- 0.04

3.05 (9) 0.04

54.23 (45.54 - 63.32)

129.12

0 (50)

  1. SD: standard deviation; X2: chi-squared; df: degrees of freedom; P: probability value; LD50: Insecticide dose that killed 50% of the population (ng/insect); CI: confidence intervals; RR: resistance ratio; DD: % mortality of the discriminating dose; SRL: susceptible reference lineage; S: Sylvatic (wild); D: Domestic; N°: number of individuals used.