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Table 3 Toxicological profile of T. infestans populations of domestic and sylvatic ecotopes, evaluated in the communities of Julo Chico, Julo Grande and Calahuta, Potosi, Bolivia, after spraying with alphacypermethrin 50 mg a.i./m2 (October 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)

After 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

  

JC 2

Kitchen wall (P)

12.11 (10.40–13.81) (270)

3.17 ± 0.34

29.72 (23.81–37.08)

(30) 6.7

JC 3(b)

Goat corral and chicken coop (P)a

14.72 (11.95–17.37) (240)

3.55 ± 0.42

36.13 (29.07–44.90)

(30) 13.3

JC 8

Goat corral (P)

11.10 (9.38–12.68) (270)

3.40 ± 0.39

27.26 (21.74–34.18)

(30) 10

JG 3

Kitchen roof (P)

10.47 (6.66–13.75) (180)

2.89 ± 0.44

25.70 (19.93–33.15)

(30) 30

JG 4(a)

Bedroom (I)

14.44 (10.72–17.94) (270)

2.51 ± 0.30

35.45 (27.66–45.43)

(30) 13.3

JG 4(b)

Tree with chickens (P)

12.71 (10.32–14.90) (270)

2.72 ± 0.33

31.19 (24.34–39.96)

(30) 13.3

JG 4(c)

Chicken coop (P)

10.22 (8.47–11.84) (180)

3.59 ± 0.48

25.10 (19.82–31.78)

(30) 16.7

JG 5

Bedroom wall (P)

11.03 (7.80–13.93) (210)

3.49 ± 0.43

27.08 (21.49–34.12)

(30) 23.3

JG 6

Bedroom (I)

11.34 (9.19–13.32) (210)

2.92 ± 0.40

27.84 (21.72–35.68)

(30) 13.3

JG Sil

Rock cliff (S)

16.57 (10.86–22.19) (270)

2.45 ± 0.32

40.67 (32.04–51.64)

(30) 20.0

CA 2

Living room wall (P)

11.34 (9.12–13.37) (210)

3.80 ± 0.39

27.83 (21.63–35.80)

(30) 23.3

CA 3

Goat corral (P)

8.92 (5.09–11.67) (180)

3.41 ± 0.54

21.91 (17.23–27.85)

(30) 33.3

CA 5(a)

Goat corral (P)

16.51 (12.55–19.97) (210)

5.88 ± 0.72

40.52 (33.41–49.15)

(30) 3.3

  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 of the diagnostic dose
  2. aMixed structure of goat corral and chicken coop