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Table 2 Mortality rate (%) of Anopheles gambiae s.s. exposed to different surfaces sprayed with a micro-encapsulated formulation of lambda cyhalothrin (10CS)

From: The impact of different sprayable surfaces on the effectiveness of indoor residual spraying using a micro encapsulated formulation of lambda-cyhalothrin against Anopheles gambiae s.s.

Substrate Days post spraying
1 14 28 42 56 77 106 120 134 152
Burnt bricks 100% 100% 88.0% 93.0% 98.0% 88.0% 88.0% 88.0% 93.0% 75.0%
Cement blocks 100% 93.0% 95.0% 83.0% 75.0% 73.0% 60.0% 60.0% 38.0% 23.0%
Iron sheet 100% 100% 100% 100% 98.0% 88.0% 88.0% 90.0% 90.0% 80.0%
Limestone blocks 100% 93.0% 90.0% 83.0% 78.0% 63.0% 58.0% 38.0% 40.0% 10.0%
Mud daub 100% 100% 83.0% 70.0% 73.0% 65.0% 48.0% 48.0% 38.0% 25.0%
Oil paint 100% 90.0% 90.0% 78.0% 68.0% 65.0% 63.0% 58.0% 43.0% 38.0%
Palm thatch 100% 100% 100% 100% 100% 100% 100% 100% 100% 95.0%
White wash 100% 88.0% 88.0% 68.0% 68.0% 68.0% 68.0% 55.0% 45.0% 40.0%
Wood 100% 100% 100% 100% 100% 95.0% 95.0% 100% 100% 95.0%
Whatmanpaper (control) 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
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Parasites & Vectors

ISSN: 1756-3305

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