Table 2 Frequencies of ace-1 mutation according to the phenotype (resistant/susceptible) of different forms of Cx. pipiens in Mohammadia, 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) | Â | 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 | Â | 47 (72.0) | 18 (28.0) | 0 | 0.14 | ||
Hybrid | Susceptible | 8 (40.0) | Â | 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 | Â | 11 (55.0) | 9 (45.0) | 0 | 0.22 | ||
Cx. p. molestus | Susceptible | 2 (28.5) | Â | 2 (100) | 0 | 0 | 0 | |
Resistant | 5 (71.5) | 10 | 4 (80.0) | 1 (20.0) | 0 | 0.10 | ||
Total | 7 | Â | 6 (86.0) | 1 (14.0) | 0 | 0.07 | ||
Bendiocarb | Cx. p. pipiens | Susceptible | 23 (37.0) | Â | 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 | Â | 53 (85.0) | 9 (15.0) | 0 | 0.07 | ||
Hybrid | Susceptible | 16 (52.0) | Â | 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 | Â | 25 (81.0) | 6 (19.0) | 0 | 0.09 | ||
Cx. p. molestus | Susceptible | 1 (11.0) | Â | 1 (100) | 0 | 0 | 0 | |
Resistant | 8 (89.0) | 13 | 8 (100) | 0 | 0 | 0 | ||
Total | 9 | Â | 9 (100) | 0 | 0 | 0 | ||