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Table 2 Frequencies of ace-1 mutation according to the phenotype (resistant/susceptible) of different forms of Cx. pipiens in Mohammadia, Morocco

From: Insecticide resistance and target site mutations (G119S ace-1 and L1014F kdr) of Culex pipiens in Morocco

Insecticide

Cx. pipiens form

Phenotype

n (%)

Insecticide resistance (%)

Genotype (%)

Frequency of allele

SS

RS

RR

n (%)

n (%)

n (%)

Malathion

Cx. p. pipiens

Susceptible

30 (46.0)

 

22 (73.0)

8 (27.0)

0

0.13

Resistant

35 (54.0)

67

25 (71.5)

10 (28.5)

0

0.14

Total

65

 

47 (72.0)

18 (28.0)

0

0.14

Hybrid

Susceptible

8 (40.0)

 

5 (62.5)

3 (37.5)

0

0.19

Resistant

12 (60.0)

23

6 (50.0)

6 (50.0)

0

0.25

Total

20

 

11 (55.0)

9 (45.0)

0

0.22

Cx. p. molestus

Susceptible

2 (28.5)

 

2 (100)

0

0

0

Resistant

5 (71.5)

10

4 (80.0)

1 (20.0)

0

0.10

Total

7

 

6 (86.0)

1 (14.0)

0

0.07

Bendiocarb

Cx. p. pipiens

Susceptible

23 (37.0)

 

22 (96.0)

1 (4.0)

0

0.02

Resistant

39 (63.0)

63

31 (79.5)

8 (20.5)

0

0.10

Total

62

 

53 (85.0)

9 (15.0)

0

0.07

Hybrid

Susceptible

16 (52.0)

 

15 (94.0)

1 (6.0)

0

0.03

Resistant

15 (48.0)

24

10 (67.0)

5 (33.0)

0

0.17

Total

31

 

25 (81.0)

6 (19.0)

0

0.09

Cx. p. molestus

Susceptible

1 (11.0)

 

1 (100)

0

0

0

Resistant

8 (89.0)

13

8 (100)

0

0

0

Total

9

 

9 (100)

0

0

0

  1. Abbreviations: RR homozygote resistant, RS heterozygote resistant, SS homozygote susceptible