Skip to main content

Table 4 kdr mutant allele frequency at codon 1534 of Ae.albopictus populations and association with pyrethroid resistance in China

From: Correlation between adult pyrethroid resistance and knockdown resistance (kdr) mutations in Aedes albopictus (Diptera: Culicidae) field populations in China

Insecticide

Population

Phenotype

n

kdr allele

OR (95% CI)

F1534S

F1534 L

F1534C

F1534

F1534S

F1534 L

F1534C

Deltamethrin

JN

R

26

1 (1.92)

6 (11.54)

0 (0.00)

45 (86.54)

2.35 (0.21, 26.73)

1.01 (0.32, 3.22)

–

S

30

0 (0.00)

7 (11.67)

0 (0.00)

53 (88.33)

HZ

R

25

43 (86.00)

0 (0.00)

0 (0.00)

7 (14.00)

0.28 (0.06, 1.42)

–

–

S

23

44 (95.65)

0 (0.00)

0 (0.00)

2 (4.35)

BS

R

32

18 (28.13)

0 (0.00)

0 (0.00)

46 (71.88)

2.94* (1.17, 7.34)

–

–

S

34

8 (11.76)

0 (0.00)

0 (0.00)

60 (88.24)

YP

R

28

30 (53.57)

0 (0.00)

0 (0.00)

26 (46.43)

2.35* (1.16, 4.79)

–

–

S

38

25 (32.89)

0 (0.00)

0 (0.00)

51 (67.11)

HK

R

50

77 (77.00)

0 (0.00)

6 (6.00)

17 (17.00)

7.55* (3.11, 18.34)

–

3.53 (0.63, 19.83)

S

17

12 (35.29)

0 (0.00)

2 (5.88)

20 (58.82)

Total

R

161

169 (52.48)

6 (1.86)

6 (1.86)

141 (43.79)

2.50* (1.79, 3.51)

1.13 (0.37, 3.44)

3.96 (0.79, 19.90)

S

142

89 (31.34)

7 (2.46)

2 (0.70)

186 (65.49)

Permethrin

JN

R

20

2 (5.00)

4 (10.00)

0 (0.00)

34 (85.00)

5.06 (0.51, 50.52)

1.14 (0.30, 4.32)

–

S

32

0 (0.00)

6 (9.38)

0 (0.00)

58 (90.63)

HZ

R

34

60 (88.24)

0 (0.00)

0 (0.00)

8 (11.76)

0.53 (0.16, 1.70)

–

–

S

38

71 (93.42)

0 (0.00)

0 (0.00)

5 (6.580

BS

R

25

12 (24.00)

0 (0.00)

0 (0.00)

38 (76.00)

0.90 (0.40, 1.99)

–

–

S

46

24 (26.09)

0 (0.00)

0 (0.00)

68 (73.91)

YP

R

23

20 (43.48)

0 (0.00)

0 (0.00)

26 (56.52)

2.31* (1.05, 5.09)

–

–

S

36

18 (25.00)

0 (0.00)

0 (0.00)

54 (75.00)

HK

R

36

60 (83.33)

0 (0.00)

0 (0.00)

12 (16.67)

6.13* (2.81, 13.38)

–

0.43 (0.05, 3.82)

S

36

31 (43.06)

0 (0.00)

3 (4.17)

38 (52.78)

Total

R

138

154 (55.80)

4 (1.45)

0 (0.00)

118 (42.75)

2.02* (1.47, 2.78)

1.26 (0.35, 4.55)

0.47 (0.05, 4.26)

S

188

144 (38.30)

6 (1.60)

3 (0.80)

223 (59.31)

  1. Note: n indicates the sample number. S was the susceptible phenotype; R indicates the resistant phenotype. Data outside brackets indicate the number of individuals; data inside brackets indicate frequency (%)
  2. *P < 0.05, −, no data