Table 6.

Susceptibility levels of the life stages of Cimex hemipterus (nymph and adult) after exposure to the insecticide products by dipping: mean mortality % ± std after 72-h postexposure time (number of bed bugs exposed per life stage = 30; 3 replicates × 10)

Insecticide	Life-stage			ANOVA test
	Mean ± std (t-test comparing control and insecticide mortality; t-stat, P-value, df = 2)			df = 2,9
	First nymph	nymphs (third, fourth, fifth)	Adults	F-value	P-values
Acetameprid+ Lambda-cyhalothrin	40 ± 0.1 (t = 3.5, P = 0.037)	37 ± 0.12 (t = 4.2, P = 0.027)	23 ± 0.04 (t = 7, P = 0.01)	1.04	0.18
Alphacypermethrin	47 ± 0.15 (t = 5.29, P = 0.017)	40 ± 0.1 (t = 6, P = 0.013)	30 ± 0.10 (t = 5.2, P = 0.017)	2.29	0.41
Chlorpyrifos	33 ± 0.11 (t = 5, P = 0.019)	33 ± 0.11 (t = 4, P = 0.029)	40 ± 0.14 (t = 3.93, P = 0.03)	1.2	0.34
Control	0.0 ± 0	0.0 ± 0	0.0 ± 0
Chlorpyrifos-ethyl	27 ± 0.06 (t = 8,P = 0.007)	40 ± 0.02 (t = 3.05, P = 0.04)	60 ± 0.26 (t = 4.15, P = 0.02)	0.72	0.52
Dichlorvos	97 ± 0.06 (t = 29, P = 0.0005)	97 ± 0.10 (t = 13, P = 0.003)	93 ± 0.06 (t = 15.6, P = 0.002)	0.6	0.57
Control	0.0 ± 0	3.3 ± 0.06	3.3 ± 0.06