Insecticide Resistance in the Disease Vector Culex pipiens in Morocco: Intensity, Mechanisms, and Contribution in Insecticide Resistance Management
Table 1
Susceptibility of Culex pipiens to DDT, deltamethrin, bendiocarb, and malathion in Mohammedia, Benslimane, and Skhirate.
Insecticide
DDT 4%
Deltamethrin 0.05%
Bendiocarb 0.1%
Malathion 5%
Study sites
N
KdT50 [CI]
KdT90 [CI]
%Mr [SE]
S
N
KdT50 [CI]
KdT90 [CI]
%Mr [SE]
S
N
%Mr [SE]
S
N
%Mr [SE]
S
Mohammedia
91
166 [45–262]
816 [424–1,700]
74 [0.9]
R
100
12 [0.9–19]
30 [19–183]
75 [0.5]
R
100
74 [1.1]
R
89
82 [0.9]
R
Benslimane
100
1,771 [1,200–1,886]
6,978 [5,661–10,523]
2 [0.2]
R
100
50 [24–65]
122 [80–211]
44 [0.7]
R
94
32 [0.5]
R
103
70 [2]
R
Skhirate
101
112 [98–123]
266 [238–311]
84 [0.7]
R
99
23 [21–25]
49 [44–55]
85 [0.7]
R
101
72 [0.5]
R
98
83 [1.2]
R
N: number of mosquitoes, KdT50: time of which 50% of the tested population suffers a knockdown, KdT90: time of which 90% of the tested population suffers a knockdown, %Mr: mortality percentage, S: status, and R: resistant.