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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.