Skip to main content

Table 3 Frequencies of kdr 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
n (%)
RS
n (%)
RR
n (%)
Lambda-cyhalothrin Cx. p. pipiens Susceptible 23 (45.0)   14 (61.0) 8 (35.0) 1 (4.0) 0.39
Resistant 28 (55.0) 49 4 (14.0) 19 (68.0) 5 (18.0) 0.52
Total 51   18 (35.0) 27 (53.0) 6 (12.0) 0.38
Hybrid Susceptible 25 (56.0)   17 (68.0) 6 (24.0) 2 (8.0) 0.20
Resistant 20 (44.0) 35 2 (10.0) 16 (80.0) 2 (10.0) 0.50
Total 45   19 (42.0) 22 (49.0) 5 (11.0) 0.35
Cx. p. molestus Susceptible 6 (40.0)   3 (50.0) 3 (50.0) 0 0.25
Resistant 9 (60.0) 16 2 (22.0) 7 (78.0) 0 0.39
Total 15   5 (33.0) 10 (67.0) 0 0.33
Permethrin Cx. p. pipiens Susceptible 28 (57.0)   9 (32.0) 19 (68.0) 0 0.34
Resistant 21 (43.0) 48 3 (14.0) 14 (67.0) 4 (19.0) 0.52
Total 49   12 (24.5) 33 (67.0) 4 (8.0) 0.42
Hybrid Susceptible 37 (64.0)   7 (19.0) 28 (76.0) 2 (5.0) 0.43
Resistant 21 (36.0) 48 3 (14.0) 15 (72.0) 3 (14.0) 0.50
Total 58   10 (17.0) 43 (74.0) 5 (9.0) 0.45
Cx. p. molestus Susceptible 9 (82.0)   3 (33.0) 6 (67.0) 0 0.33
Resistant 2 (18.0) 5 1 (50.0) 1 (50.0) 0 0.25
Total 11   4 (36.0) 7 (64.0) 0 0.32
DDT Cx. p. pipiens Susceptible 10 (14.0)   8 (80.0) 2 (20.0) 0 0.10
Resistant 62 (86.0) 67 10 (16.0) 44 (71.0) 8 (13.0) 0.48
Total 72   18 (25.0) 46 (64.0) 8 (11.0) 0.43
Hybrid Susceptible 4 (12.5)   2 (50.0) 2 (50.0) 0 0.25
Resistant 28 (87.5) 30 2 (7.0) 20 (71.5) 6 (21.5) 0.57
Total 32   4 (12.0) 22 (69.0) 6 (19.0) 0.53
Cx. p. molestus Susceptible 4 (67.0)   0 4 (100) 0 0.50
Resistant 2 (33.0) 2 0 2 (100) 0 0.50
Total 6   0 6 (100) 0 0.50
  1. Abbreviations: RR homozygote resistant, RS heterozygote resistant,SS homozygote susceptible