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Table 2 Toxicological profile of T. infestans populations of domestic and sylvatic ecotopes, evaluated in the communities of Taqó Taqó, Julo Chico, Julo Grande and Calahuta, Potosi, Bolivia, before spraying with alphacypermethrin 50 mg a.i./m2 (January 2014)

From: Resistance to deltamethrin by domestic and wild Triatoma infestans populations in the municipality of Toro Toro, Potosi, Bolivia

CD

Ecotope (I, P, S)

Before spraying

  

LD50 (95% CI) (n)

Slope ± SE

RR50 (95% CI)

(n) DD%

CIPEIN (SRL)

 

0.47 (0.32–0.51) (210)

3.03 ± 0.37

  

TQ 1

Goat corral (P)

12.78 (10.88–14.59) (216)

3.80 ± 0.44

31.37 (25.08–39.25)

(30)14.8

JC 2

Kitchen wall (P)

12.33 (9.9–14.6) (270)

2.57 ± 0.32

30.26 (23.46–39.03)

(30) 23.3

JC 3(a)

Deposit (P)

11.43 (10.01–12.81) (270)

3.57 ± 0.39

28.06 (22.75–34.61)

(30) 13.3

JC 3(b)

Goat corral and chicken coop (P)a

22.29 (20.04–24.59) (300)

4.06 ± 0.40

54.70 (44.83–66.73)

(30) 0

JC 4

Goat corral (P)

12.41 (8.37–16.98) (240)

2.73 ± 0.32

30.47 (24.06–38.60)

(30) 23.3

JC 7

Chicken coop (P)

13.06 (10.734–15.26) (240)

2.74 ± 0.35

32.06 (25.15–40.87)

(30) 23.3

JC Sil

Rocky outcrop (S)

15.57 (14.09–17.07) (300)

4.54 ± 0.43

38.21 (31.42–46.47)

(30) 3.3

JG 1

Goat corral (P)

10.45 (9.11–11.84) (300)

3.09 ± 0.31

25.66 (20.69–31.81)

(30) 16.7

JG 3

Kitchen roof (P)

18.85 (16.79–20.84) (240)

4.02 ± 0.53

46.27 (37.85–56.57)

(30) 0

JG 4(a)

Bedroom (I)

14.72 (13.28–16.24) (300)

3.98 ± 0.38

36.12 (29.63–44.04)

(30) 0

JG 6

Bedroom (I)

11.77 (10.55–12.99) (240)

4.76 ± 0.49

28.90 (23.67–35.28)

(30) 6.6

JG Sil

Rock cliff (S)

11.90 (10.55–13.25) (270)

4.14 ±0.41

29.21 (23.80–35.86)

(30) 6.6

CA 1

Living room wall (P)

13.27 (11.64–14.90) (390)

3.00 ± 0.27

32.57 (26.38–40.22)

(30) 6.6

CA 2

Living room wall (P)

22.28 (17.97–27.34) (270)

3.36 ± 0.38-

54.67 (44.42–67.29)

(30) 0

CA 5(a)

Goat corral (P)

15.63 (13.99–17.23) (300)

4.36 ± 0.43

38.35 (31.41–46.82)

(30) 3.3

CA 5(b)

Dog house (P)

15.99 (14.64–17.39) (240)

5.53 ±0.57

39.25 (32.43–47.50)

(30) 0

  1. Abbreviations: CD code triatomine population, SRL susceptible reference lineage, I intradomestic, P peridomestic, S sylvatic, n number of individuals used, LD 50 lethal dose that killed 50% of the population (ng.a.i./insect), CI confidence interval, RR 50 resistance ratio, DD % mortality at the diagnostic dose
  2. aMixed structure of goat corral and chicken coop