Insecticide
|
Sample
|
% mortality(n)
|
KDT50 (95% CI)
|
KDT95 (95% CI)
|
χ2
|
---|
DDT
|
Mwea
|
100 (411)
|
25.51(23.95–27.0)
|
49.89(46.44–54.32)
|
3.73ns
|
(4%)
|
KSM Strain
|
99.23 (130)
|
62.51(56.94–70.45)
|
210.56(161.84–309.73)
|
6.84ns
|
Fenitrothion
|
Mwea
|
100 (405)
|
55.02(46.81–62.39)
|
95.1(88.89–121.83)
|
91.28*
|
(1%)
|
KSM Strain
|
100 (131)
|
88.90(83.68–95.20)
|
130.40(123.56–151.10
|
25.38*
|
Bendiocarb
|
Mwea
|
100 (366)
|
21.31(19.95–22.61)
|
37.85(35.06–41.65)
|
2.4ns
|
(0.1%)
|
KSM Strain
|
100 (127)
|
14.10(13.19–15.05)
|
22.87(20.93–25.66)
|
0.23ns
|
Lambda-Ca
|
Mwea
|
99.61(525)
|
21.58(20.09–23.01)
|
43.00(39.53–47.57)
|
12.55ns
|
(0.05%)
|
KSM Strain
|
100 (119)
|
19.78(15.61–23.39)
|
57.42(48.96–78.73)
|
19.78*
|
Permethrin
|
Mwea
|
100 (429)
|
17.24(15.94–18.49)
|
34.77(31.75–38.90)
|
2.01ns
|
(0.75%)
|
KSM Strain
|
100 (123)
|
27.75(22.31–32.88)
|
66.96(58.66–98.11)
|
14.5*
|
- aLambdacyhalothrin
- χ2 values are for the test of fit of the log-time probit model used to estimate the KDT50 and KDT95values; ns = deviations not significant; * = deviations significant, P < 0.05