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Table 3 Relationship between mean mosquito mortality rate and pH of the tested surfaces

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 type Mean pH No. of mosquitoes exposed over 10 time points* Mean mortality Std. deviation
Burnt Bricks 7.64 400 18 ±1.631
Cement Blocks 10.3 400 14 ±4.989
Oil Paint 10.28 400 14 ±4.124
Mud daub 7.71 400 13 ±3.829
White wash 11.5 400 14 ±3.771
Palm thatch 5.95 400 19 ±1.338
Limestone Blocks 10.21 400 13 ±5.675
Wood 7.3 400 20 ±0.733
Whatman® paper (standard) 7 400 20 ±0.0
  1. *2 replicates of 20 mosquitoes per time period.