Inheritance and heritability of deltamethrin resistance under laboratory conditions of Triatoma infestans from Bolivia

Table 2 Toxicological profiles to deltamethrin in survivors of T. infestans resistant colony (F1 and F2), after application of deltamethrin (10 ng a.i./nymph)

Population cross	N°	Slope +/− SD	X ² (df)	P	LD₅₀ (95 % CI)	RR₅₀ (95 % CI)
CIPEIN (SRL)*	240	2.83+/−0.04	3.43 (4)	0.51	0.42 (0.35–0.49)	-
Resistant (Parental) Colony*	360	2.25 +/− 0.04	3.05 (9)	0.04	54.23 (45.54–63.32)	129.12 (104.32–166.38)
Surviving F1	210	1.68 +/− 0.42	0.59 (5)	0.01	121.93 (93.65–161.66)	299.23 (222.48–402.47)
Surviving F2	180	1.60 +/− 0.45	0.56 (4)	0.00	1455.32 (1022.71–3914.21)	3571.45 (2099.09–6076.53)

SRL: susceptible reference lineage*: Strain characterized by Gomez et al. [18]; N°: number of individuals used; SD: standard deviation; X ²: chi-square test; df: degrees of freedom; P: probability value; LD₅₀: insecticide dose that killed 50 % of the population [ng/nymph); CI: confidence intervals; RR: resistance ratio

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