Table 5 Knockdown times (KdT50 and KdT95) in minutes for Anopheles gambiae s.l. populations from Magu agro-ecosystem zone, Mwanza region, January–September, 2014
Season | Insecticide | KdT50 Kisumu | KdT50 An. gambiae s.l. | KdT95 An. gambiae s.l. | KdT50R |
|---|---|---|---|---|---|
Permethrin 0.75% | 44.74 [41–46] | 38.01 [31–43] | 63. 37 [51–74] | 0.85 | |
Long rains | Deltamethrin 0.05% | 20.38 [17–22] | 28.31 [25–30] | 52.67 [51–54] | 1.39 |
Lambdacyhalothrin 0.05% | 28.56 [28–29] | 26.05 [19–31] | 53.59 [49–60] | 0.91 | |
Etofenprox 0.5% | 27.00 [25–28] | 43.47 [40–44] | 69.51 [64–72] | 1.61 | |
Cyfluthrin 0.15% | 16.23 [12–19] | 41.98 [39–45] | 68.67 [62–77] | 2.58 | |
DDT 4% | 35.14 [33–35] | 35.49 [34–35] | 54.49 [52–57] | 1.01 | |
Permethrin 0.75% | 44.74 [41–46] | 44.40 [36–68] | 72.61 [54–118] | 0.99 | |
Dry season | Deltamethrin 0.05% | 20.38 [17–22] | 45.36 [42–53] | 72.31 [63–84] | 2.23 |
Lambdacyhalothrin 0.05% | 28.56 [28–29] | 44.85 [40–50] | 70.40 [66–80] | 1.57 | |
Etofenprox 0.5% | 27.00 [25–28] | 34.46 [26–38] | 58.22 [52–63] | 1.27 | |
Cyfluthrin 0.15% | 16.23 [12–19] | 27.91 [24–30] | 51.01 [49–53] | 1.72 | |
DDT 4% | 35.14 [33–35] | 68.11 [45–99] | 114.90 [70–180] | 1.94 | |
Permethrin 0.75% | 44.74 [41–46] | 62.40 [53–69] | 103.16 [88–114] | 1.39 | |
Short rains | Deltamethrin 0.05% | 20.38 [17–22] | 40.19 [33–42] | 64.29 [56–68] | 1.97 |
Lambdacyhalothrin 0.05% | 28.56 [28–29] | 68.82 [58–82] | 114.97 [95–139] | 2.41 | |
Etofenprox 0.5% | 27.00 [25–28] | 48.78 [40–54] | 76.09 [62–86] | 1.81 | |
Cyfluthrin 0.15% | 16.23 [12–19] | 50.25 [46–55] | 82.66 [77–92] | 3.09 | |
DDT 4% | 35.14 [33–35] | 40.18 [38–14] | 61.47 [58–64] | 1.14 |