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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