Table 8.
Susceptibility levels of the life stages of Cimex hemipterus (nymph and adult) after exposure to treated filter papers of the insecticide products for 24-h: 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 (comparing control and insecticide mortality; t-stat, P-value, df = 2) | df = 2,9 | ||||
| First nymph | Late nymphs(third, fourth, fifth) | Adult | F-value | P-value | |
| Acetameprid+ Lambda-cyhalothrin | 70 ± 0.1 (t = 20, P = 0.001) | 27 ± 0.12 (t = 2.65, P = 0.059) | 20 ± 0.1 (t = 1.89 P = 0.0.099) | 10.5 | *0.01 |
| Alphacypermethrin | 67 ± 0.15 (t = 5.27, P = 0.017) | 27 ± 0.31 (t = 7, P = 0.01) | 17 ± 0.45 (t = 1.12, P = 0.19) | 12.6 | *0.007 |
| Chlorpyrifos | 90 ± 0.1 (t = 15.6, P = 0.002) | 83 ± 0.11 (t = 6.93, P = 0.01) | 97 ± 0.05 (t = 29, P = 0.0006) | 1.09 | 0.39 |
| control | 3.3 ± 0.6 | 0.0 ± 0 | 3.3 ± 5.7 | ||
| Chlorpyrifos-ethyl | 97 ± 0.06 (t = 14, P = 0.003) | 100 ± 0.00 (t = 29, P = 0.0006) | 100 ± 0.00 (t = 29, P = 0.0006) | 1 | 0.42 |
| Dichlorvos | 100 ± 0.00 (P < 0.05) | 100 ± 0.00 (t = 29, P = 0.0006) | 100 ± 0.00 (P < 0.05) | >0.05 | |
| control | 0.0 ± 0 | 3.3 ± 5.7 | 0.0 ± 0 |
* significant difference.