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Table 2 Median-lethal doses used. Median-lethal doses ng/mg (± 95% confidence intervals) for mosquito strains tested with different insecticides and their mixture.

From: Costs and benefits of multiple resistance to insecticides for Culex quinquefasciatus mosquitoes

Strain

SLAB

SR

BC

BCSR

insecticide

        

Permethrin (P)

1.85

(1.75–1.95)

1.80

(1.71–1.89)

62.65

(59.38–66.10)

41.47

(39.56–43.47)

Carbosulfan (C)

0.59

(0.52–0.66)

1264.00

(1166–1370)

0.78

(0.68–0.90)

1446.00

(1330–1572)

Mix

0.99

(0.90–1.08)

982.00

(884–1084)

37.56

(34.97–40.39)

438.00

(386–492)

mix ratio P:C

3:1

 

1:750

 

85:1

 

1:35

 

regression coefficienta ± (s.e.)

        

Permethrin

3.76a

(0.18)

3.48a

(0.15)

4.04a

(0.22)

3.05a

(0.10)

Carbosulfan

3.01b

(0.16)

2.17b

(0.07)

3.73a

(0.31)

1.89b

(0.07)

Mix

2.95b

(0.22)

2.69c

(0.22)

3.53a

(0.20)

2.15c

(0.15)

  1. a estimates within a column that differ in super-script letter are significantly different (p < 0.05)