Table 6 Genotypic combination type comparisons of different resistance phenotypes of Ae. albopictus under the pressure of three pyrethroid insecticides.

From: Resistance to pyrethroids and the relationship between adult resistance and knockdown resistance (kdr) mutations in Aedes albopictus in dengue surveillance areas of Guizhou Province, China

Type

Beta-cypermethrin

Permethrin

Deltamethrin

χ12

χ22

χ32

R

S

R

S

R

S

0

5

24

27

14

24

18

101.67*

19.24*

29.06*

1

615

87

630

78

591

86

0

5

24

27

14

24

18

104.48*

21.34*

35.35*

2

141

5

120

8

143

10

1

615

87

630

78

591

86

10.05*

2.67

4.64

2

141

5

120

8

143

10

  1. S, susceptible phenotype; R, stands for resistant phenotype; χ12, Value for beta-cypermethrin; χ22, Value for permethrin; χ32, Value for deltamethrin.
  2. *p < 0.01.