Skip to main content

Table 2 Resistance observed in bioassays to seven insecticides in five populations of Culex pipiens pallens from China.

From: Correlation between carboxylesterase alleles and insecticide resistance in Culex pipiens complex from China

Insecticides

Populations

N

LC50 (95% CI) (mg/L)

Slope (SE)

χ2

RR (95% CI)

G

Dichlorvos

S-LAB

300

0.19 (0.18-0.19)

13.8 (1.6)

1.7

1

F2

 

WHE

240

3.04 (2.86-3.17)

8.0 (1.3)

4.8

16.4 (12.3-21.7)

F1

 

YUY

240

3.86 (3.22-4.07)

11.1 (3.4)

0.5

20.8 (13.4-32.3)

F1

 

TAA

300

2.91 (2.11-3.27)

5.2 (1.4)

0.4

15.7 (10.2-24.3)

F2

 

BJI

300

1.26 (1.19-1.33)

9.7 (1.3)

1.6

6.8 (4.9-9.4)

F2

 

LPU

300

1.06 (0.88-1.14)

7.4 (2.3)

1.6

5.7 (3.9-8.3)

F2

Fenitrothion

S-LAB

300

0.0078 (0.0076-0.0081)

15.8 (1.8)

5.2

1

F2

 

WHE

300

0.015 (0.014-0.016)

6.8 (1.6)

2.3

1.9 (1.4-2.6)

F1

 

YUY

360

0.0099 (0.0084-0.011)

4.0 (0.9)

0.4

1.3 (0.9-1.7)

F1

 

TAA

240

0.020 (0.018-0.022)

6.6 (1.7)

1.5

2.5 (1.8-3.6)

F1

 

BJI

300

0.0096 (0.0088-0.010)

5.6 (0.7)

0.8

1.2 (0.9-1.6)

F2

 

LPU

300

0.015 (0.014-0.016)

6.9 (1.0)

0.6

1.9 (1.4-2.6)

F2

Malathion

S-LAB

240

0.025 (0.020-0.030)

12.0 (4.1)

7.3

1

F2

 

WHE

360

0.094 (0.089-0.099)

7.4 (0. 8)

2.2

3.8 (1.8-8.0)

F2

 

YUY

360

0.073 (0.069-0.076)

6.8 (1.6)

2.3

3.0 (1.4-6.2)

F1

 

TAA

300

0.080 (0.073-0.086)

6.9 (1.5)

3.0

3.3 (1.4-7.8)

F1

 

BJI

300

0.073 (0.066-0.081)

4.1 (0.6)

3.9

3.0 (1.4-6.3)

F2

 

LPU

240

0.052 (0.044-0.062)

3.7 (0.6)

1.4

2.1 (0.9-5.2)

F2

Deltamethrin

S-LAB

300

0.00039 (0.00036-0.00043)

5.3 (1.1)

0.3

1

F2

 

WHE

360

0.0026 (0.0021-0.0029)

4.1 ( 0.9 )

6.0

6.6 (4.9-8.7)

F2

 

YUY

360

0.0046 (0.0022-0.0054)

3.8 ( 1.3 )

0.05

11.7 (7.4-18.1)

F1

 

TAA

240

0.0039 (0.0029-0.0046)

2.3 (0.5)

0.4

9.9 (7.4-12.9)

F2

 

BJI

300

0.0023 (0.0020-0.0024)

5.8 (1.4)

0.004

5.8 (4.3-7.6)

F2

 

LPU

240

0.0014 (0.0007-0.0017)

3.8 (1.1)

0.01

3.5 (2.1-5.9)

F2

Permethrin

S-LAB

300

0.0017 (0.0016-0.0019)

5.6 (0.6)

4.8

1

F2

 

WHE

300

0.038 (0.035-0.041)

9.4 (1.8)

0.4

21.9 (15.6-30.5)

F2

 

YUY

300

0.055 (0.043-0.062)

3.8 (0.9)

2.1

31.9 (22.9-43.9)

F1

 

TAA

300

0.12 ( 0.04-0.17 )

1.4 (0.4)

0.2

68.2 (46.9-99.0)

F2

 

BJI

360

0.024 (0.023-0.025)

11.0 (1.8)

2.0

13.8 (10.3-18.5)

F2

 

LPU

240

0.016 (0.011-0.021)

2.0 (0.6)

0.4

9.5 (6.9-12.9)

F3

Propoxur

S-LAB

300

0.13 (0.13-0.14)

9.7 (1.4)

0.6

1

F2

 

WHE

300

0.28 (0.26-0.31)

7.1 (1.6)

1.2

2.1 (1.5-2.9)

F2

 

YUY

300

0.18 (0.09-0.21)

4.9 (1.6)

1.6

1.3 (0.8-2.3)

F1

 

TAA

300

0.27 (0.25-0.28)

9.7 (1.4)

0.2

2.0 (1.5-2.7)

F2

 

BJI

300

0.23 (0.21-0.25)

8.5 (2.1)

0.1

1.8 (1.3-2.5)

F2

 

LPU

300

0.21 (0.19-0.23)

6.5 (2.0)

0.3

1.6 (1.2-2.1)

F2

BPMC

S-LAB

300

0.097 ( 0.025-0.35 )

10.8 (3.8)

6.2

1

F2

 

WHE

360

0.39 (0.36-0.42)

7.7 (2.1)

3.5

4.0 (0.9-17.7)

F2

 

YUY

240

0.23 (0.17-0.26)

3.5 (0.7)

4.5

2.3 (0.8-7.2)

F1

 

TAA

240

0.42 (0.39-0.44)

12.7 (2.6)

0.2

4.3 (1.0-19.2)

F2

 

BJI

300

0.34 (0.31-0.35)

8.9 (1.4)

0.4

3.4 (1.2-10.2)

F2

 

LPU

300

0.21 (0.16-0.24)

3.9 (1.0)

0.2

2.1 (0.5-9.6)

F3

  1. S-LAB, the susceptible reference strain. N, number of larvae tested. CI, confidence interval. RR, resistance ratio (LC50 of the population/LC50 of S-LAB). G, the generation considered in bioassays.